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Operation Instructions

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1. A N NOTE After installation give the cover a light tug to confirm it is securely attached Operation 2009 01 21 2 Connecting the Probe Cord 1 Insert the probe cord completely into the jack on the left side of the Root ZX mini A N NOTE e Handle the Root ZX mini carefully do not drop bump or expose the unit to other kinds of impacts or shocks Rough handling could cause damage e Make sure the probe cord plug is securely plugged into the jack A poor connection can prevent measurement e Do not drop anything on or bang the probe cord plug after it has been inserted into the jack Probe Cord 2 Insert the file holder s gray male plug into the gray female Connector white connector on the probe cord Insert the contrary electrode i into the white female connector on the probe cord A N NOTE Make sure to match colors of the file holder and contrary electrode to the probe cord Measurements cannot be made if these connections are reversed Checking the Function 1 Press the Power switch to turn the unit on The display will appear in the LCD screen The instrument turns itself off if it is not used for 10 minutes A N NOTE The unit may turn off if its side is bumped Contrary Electrode n A J 2 Check that the probe cord is properly plugged into the jack 3 Check that the file holder and contrary electrode are File Holder Ae properly conn
2. MORITA Apex Locator RCONT ZX mini Operation Instructions US PAT 5096419 JP PAT 2873722 US PAT 5211556 JP PAT 2873725 US PAT 5295833 JP PAT 3071270 US PAT APPLN 12 075 714 JP PAT 3113109 DE PAT 4126753 JP PAT 3113095 DE PAT 4139424 JP PAT APPLN 2007 068512 DE PAT 4232487 DE PAT APPLN 10 2008 012 677 2 Manufactured by J MORITA MFG CORP Thank you for purchasing the Root ZX mini For optimum safety and performance read this manual thoroughly before using the unit and pay close attention to warnings and notes Keep this manual in a readily accessible place for quick and easy reference This manual contains essential safety information ATTENTION J Morita Mfg Corp will not be responsible for accidents equipment damage or bodily injury resulting from repairs made by personnel not authorized by the J Morita Mfg Corp J Morita Mfg Corp will not be responsible for accidents equipment damage or bodily injury resulting from any changes modifications or alterations of its products J Morita Mfg Corp will not be responsible for accidents equipment damage or bodily injury resulting from the use of products or equipment made by other manufacturers except for those procured by the J Morita Mfg Corp J Morita Mfg Corp will not be responsible for accidents equipment damage or bodily injury resulting from maintenance or repairs using parts or components other than those specified by
3. Minimum drying time after sterilization 10 minutes A N WARNING Autoclave file holder and contrary electrode after each patient A NOTE e Do not sterilize in any way other than autoclave e Autoclave and dry at 135 C but do not exceed that temperature e The file holder and contrary electrode must be thoroughly washed and cleaned before autoclaving e Any chemicals or foreign debris left on instruments could cause them to malfunction or could cause discoloration o It is highly recommended that instruments be autoclaved in a sterilization pouch wrapped or similar device e Do not autoclave probe cord e Follow the manufacturer s recommendations to disinfect files b Sterilize Surface of Main Unit and Probe Cord with Ethanol Wipe with a piece of gauze dampened with ethanol 80 vol Wring the gauze out to make sure it is not too wet AN NOTE e Do not wipe the surface of the main unit and probe cord with any type of alcohol except disinfecting ethanol 80 vol Any other type of solution could cause cracking cloudiness discoloration or some similar kind of damage Do not get the box too wet with ethanol it could seep inside and cause a malfunction Be especially careful when cleaning around the port for data output and the jack for the probe cord e On rare occasions static electricity produced by wiping the liquid crystal display with a dry cloth may have some influence on the ap
4. bin tad 40 Ur Not applicable variations on los 60 dip in Ur power supply faecal lies or 5 cycles IEC 61000 4 11 70 Ur Not applicable 30 dip in Ur for 25 cycles lt 5 Ur Not applicable gt 95 dip in Ur for 5 sec Power frequency 3 A m 3 15 A m Power frequency magnetic field 50 60 Hz magnetic field IEC 61000 4 8 should be at levels characteristic of a typical location in a typical commercial or hospital environment Note Uris the a c mains voltage prior to application of the test level Operation 2009 01 21 24 Guidance and manufacturer s declaration electromagnetic immunity The RCM 7 is intended for use in the electromagnetic environment specified below The customer or the user of the RCM 7 should assure that it is used in such an environment Immunity test TEC SOUT fest i Compliance Electromagnetic environment guidance level level Portable and mobile RF communications equipment should be used no closer to any part of the RCM 7 including cables than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter Recommended separation distance Conducted RF 3 Vrms 3 15 V IEC 61000 4 6 150 kHz to 80 MHz d 1 11VP Radiated RF 3 V m 3 5 V m d 1 00VP 80 MHz to 800MHz IEC 61000 4 3 80 MHz to d 2 00VP 800MHz to 2 5 GHz 2 5 GHz NOTE 1 Where P is the maximum output power rating of the transmitter in
5. or a chemical solution overflows from the opening of the root canal and contacts the gums this will result in electrical leakage and an accurate measurement cannot be obtained Wait for bleeding to stop completely Clean the inside and opening of the canal thoroughly to get rid of all blood saliva and chemical solutions and then make a measurement Broken crown If the crown is broken and a section of the gingival tissue intrudes into the cavity surrounding the canal opening contact between the gingival tissue and the file will result in electrical leakage and an accurate measurement cannot be obtained In this case build up the tooth with a suitable material to insulate the gingival tissue Fractured tooth Leakage through a branch canal Fractured tooth will cause electrical leakage and an accurate measurement cannot be obtained A branch canal will also cause electrical leakage Re treatment of a root filled with gutta percha The gutta percha must be completely removed to eliminate its insulating effect After removing the gutta percha pass a small file all the way through the apical foramen and then put a little saline in the canal but do not let it overflow the canal opening 11 Operation 2009 01 21 Debris Caries touches gums Ss Too Dry Operation 2009 01 21 Crown or metal prosthesis touching gingival tissue Accurate measurement cannot be obtained if the file touches
6. Do not use this unit in conjunction with an electric scalpel or on patients who have a pacemaker Blocked canals cannot be accurately measured This unit must not be connected to or used in combination with any other apparatus or system It must not be used as an integral component of any other apparatus or system J Morita Mfg Corp will not be responsible for accidents equipment damage bodily injury or any other trouble which results from ignoring this prohibition Illumination devices such as fluorescent lights and the Film viewer which use an inverter can cause the Root ZX mini to operate erratically Do not use the Root ZX mini near devices such as these Electromagnetic wave interference could cause this device to operate in an abnormal random and possibly dangerous manner Cellular phone transceivers remote controls and all other devices which transmit electromagnetic waves located inside the building should be turned off N NOTE Root ZX mini is shipped without the batteries installed Remove the cover and install the 3 LRO3 AAA size batteries see page 2 Do not reverse the plus and minus poles see page 2 Never allow the spring contact to push against the edge of the battery This could damage the outer cover causing a short or a leakage of battery liquid see page 2 After installation give the cover a light tug to confirm it is securely attached see page 2 Handle the Root ZX mini carefully do not drop
7. Power Rating Measurement Voltage Measurement Current Display Dimensions Weight Continuous DC 4 5 V three alkaline dry cells LRO3 AAA size batteries 0 2 W AC 80 mV maximum 10 uA maximum Reflective Color LCD Piezoelectric Beeper Approx 60 mm x 103 mm x 57 mm Approx 110 g Operation Transport and Storage Conditions for the main unit Operating Conditions Ambient temperature range 10 50 F 40 C 104 F Relative humidity 30 80 RH without condensation Atmospheric pressure range 800 1 060 hPa Transport and Storage Conditions Ambient temperature range 10 14 F 70 C 158 F Relative humidity 8 80 RH without condensation Atmospheric pressure range 700 1 060 hPa Operation 2009 01 21 20 Symbols Labels CE 0197 The Root ZX mini conforms with the European Directive 93 42 EEC which includes the requirements for electromagnetic compatibility Attention consult accompanying documents Serial Number a of Serial ae 000 1 Year of Month of Lot No Manufacture Manufacture U 2006 A Jan 0001 V 2007 B Feb 1 W 2008 C March l X 2009 D April v Y v L Dec Manufacturer This symbol is affixed to fulfill the requirements of EU Directive 2002 92 ED Article 11 This equipment cannot be disposed of as unsorted municipal waste within the European Union Follow local regulations for disposal cTUVus certification mark for the
8. bump or expose the unit to other kinds of impacts or shocks Rough handling could cause damage see page 3 Make sure the probe cord plug is securely plugged into the jack A poor connection can prevent measurement see page 3 Do not drop anything on or bang the probe cord plug after it has been inserted into the jack see page 3 Make sure to match colors of the file holder and contrary electrode to the probe cord Measurements cannot be made if these connections are reversed see page 3 The unit may turn off if its side is bumped see page 3 The Flash Bar cannot be set beyond the Apex see page 6 The Memory Bar cannot be set beyond the Apex see page 6 The Memory Bar can be set at a different point for each of the 3 memories see page 6 The Memory Bar will stay wherever you set it until the Root ZX mini is turned off but it will not be memorized see page 6 The volume of the beep that sounds when the unit is turned on cannot be adjusted see page 7 Do not let the file touch the gums This will cause the meter to jump to Apex see page 7 If the canal is extremely dry the meter may not move until it is quite close to the apex If the meter does not move try moistening the canal with oxydol or saline see page 7 Occasionally the canal length indicator bar will make a sudden and large movement as soon as the file is inserted into the root canal but it will return to normal as the file is adva
9. contact to push against the edge of the battery This could damage the outer cover causing a short or a leakage of battery liquid 3 Slide the cover all the way down until it is securely closed NOTE e After installation give the cover a light tug to confirm it is securely attached e Always use LRO3 alkaline Oxyride or manganese dry cells Manganese dry cells will not last as long as Oxyride or alkaline dry cells Never use rechargeable nickel hydrogen or nickel cadmium batteries e All the dry cells should be of the same type i e all alkaline all OxyrideTM or all manganese e Replace all three batteries at the same time e Never use batteries that are leaky deformed discolored or otherwise abnormal e Dispose of old batteries according to local codes and regulations e In case of battery leakage carefully dry the battery terminals and remove all of the leaked liquid Replace the battery with a new one Overheating or malfunctions could result if the above conditions are not adhered to The three LRO3 alkaline dry cells used for this unit will last for about 70 hours of use This equals 6 to 12 months at the normal rate of usage 15 Operation 2009 01 21 6 Sterilization and Replacement Parts Sterilization a Autoclavable Components File Holder and Contrary Electrode Recommended temperature and time 135 C 275 F 6 minutes minimum with a sterilization pouch
10. inspection items Maintenance and Inspection Items 1 Check that the Power switch turns the unit on and off properly 2 Insert the Tester and check that the indicator is within 3 lines of 1 on the meter 3 Check that the Set switch changes the memory from 01 to 02 to 03 4 Check that the probe cord can be properly plugged into its jack 5 Check that the file holder s plug can be connected properly to the probe cord and that the file holder can be clipped onto a file Check the contrary electrode can be plugged into its probe cord connector 6 Touch the contrary electrode with the file holder and make sure all the bars on the meter light up This unit should be inspected after prolonged unusual period Parts Lists Probe Cord File Holder Contrary Electrode Code No 8449422 Code No 7503670 Code No 7503680 a a Saree Tester Long File Holder Code No 8449430 Code No 7503673 17 Operation 2009 01 21 8 Troubleshooting If the unit does not seem to be working properly the user should first try to inspect and adjust it himself Tf the user is unable to inspect the instrument himself or if the instrument fails to work properly after being adjusted or after parts are replaced contact the J Morita Corp or your local dealer Problem Check Points Response No power Check battery installation Check battery power Install batteries properly Replace batteries Cannot make a Measure
11. other fluids overflow the canal the current will leak to the gums and the meter will jump to Apex Clean the canal canal opening and tooth crown thoroughly The canal length indicator bar may suddenly swing when it breaks the surface of fluids inside the canal but it will return to normal as the file is advanced down toward the apex Clean entire tooth surface This will cause the canal length indicator bar to suddenly jump all the way to the APEX Accurate measurements cannot be obtained if a large amount of pulp tissue is left inside the root canal Touching a metal prosthesis with the file allows a flow of current to the gingival tissue or periodontal pocket and will cause the meter to jump to the APEX Current can flow through the caries infected area to the gums and prevent an accurate measurement from being made Operation 2009 01 21 18 Problem Check Points Response Canal Length Indicator overreacts or is too sensitive Measurements are too short poor accuracy or erratic results Are there lateral canals or is the tooth fractured Does a broken crown allow leakage of electric current Is there a lesion at the apex Is the file holder broken or dirty The canal length indicator bar may jump to APEX when it reaches the opening of a lateral canal or the opening of a fractured tooth that allows the current to flow to the gingival tissue Build up an insulati
12. see page 16 e The file holder and contrary electrode must be thoroughly washed and cleaned before autoclaving see page 16 e Any chemicals or foreign debris left on instruments could cause them to malfunction or could cause discoloration see page 16 e It is highly recommended that instruments be autoclaved in a sterilization pouch wrapped or similar device see page 16 e Do not autoclave probe cord e Follow the manufacturer s recommendations to disinfect files see page 16 e Do not wipe the surface of the main unit and probe cord with any type of alcohol except disinfecting ethanol 80 vol Any other type of solution could cause cracking cloudiness discoloration or some similar kind of damage see page 16 e Do not get the box too wet with ethanol it could seep inside and cause a malfunction Be especially careful when cleaning around the port for data output and the jack for the probe cord see page 16 e On rare occasions static electricity produced by wiping the liquid crystal display with a dry cloth may have some influence on the appearance of the display see page 16 e Avoid spilling chemical solutions used for treatment on the Root ZX mini These chemicals could cause damage deform or discolor the Root ZX mini Be especially careful to avoid spilling formalin cresol FC and sodium hypochlorite as they are quite strong Wipe up any chemical spills immediately Some chemicals may leave discolo
13. 009 01 21 ATTENTION CUSTOMERS Do not fail to receive clear instructions concerning the various ways to use this equipment as described in this accompanying Operator s Manual Fill out and sign the warranty and give the dealer from whom you purchased the equipment his copy ATTENTION DEALERS I I I Do not fail to give clear instructions concerning the various ways to use this equipment as described in this accompanying Operator s Manual After instructing the customer in the operation of the equipment have him fill out and sign the warranty Then fill in your own section of the warranty and give the customer his copy Do not fail to send the manufacturer s copy to J Morita Mfg Corp Prevent Accidents Most operation and maintenance problems result from insufficient attention being paid to basic safety precautions and not being able to foresee the possibilities of accidents Problems and accidents are best avoided by foreseeing the possibility of danger and operating the unit in accordance with the manufacturer s recommendations First thoroughly read all precautions and instructions pertaining to safety and accident prevention then operate the equipment with the utmost caution to prevent either damaging the equipment itself or causing bodily injury Note the meaning of the following symbols and expressions A WARNING This warns that it may result serious injury of the patient or operator if the instruc
14. Root Canals not suitable for Electronic Measurement e Always check the measurement with an x ray In some cases an accurate measurement cannot be made because of the canal shape unusual cases or poor performance of the instrument e Stop using the instrument immediately if you sense something odd or abnormal while taking a measurement 7 Operation 2009 01 21 m The meter s 0 5 reading indicates that the tip of the file is in or very near the apical constriction The numerals on the meter gauge do not represent millimeters m If the file tip reaches the apical foramen a single sustained beep will sound and the word APEX and the little triangle next to the Flash Bar will start to flash on and off Operating the Unit l Turn the unit on 2 Hook the contrary electrode in the corner of the patient s mouth A N WARNING Contrary Electrode e Do not use an ultrasonic scaler with the contrary electrode e Make sure that the contrary electrode file holder etc do attached to the patient Electrical noise from the scaler could interfere with canal measurements not come into contact with an electric power source such as an electrical socket This could result in a severe electrical shock NOTE Operation 2009 01 21 e The contrary electrode could cause an adverse reaction if e Take care that medicinal solutions such as formalin cresol the patient ha
15. U S and Canadian U S Canada Type BF applied part Contrary Electrode and File Holder 21 Operation 2009 01 21 Operation Instructions REP Authorized representative in the European Community Package X Temperature Limitation Battery This symbol is affixed to fulfill the requirements of EU Directive 2006 66 EC Article 21 Batteries provided with this equipment cannot be disposed of as unsorted municipal waste within the European Union Follow local regulations for disposal R Disposal The battery should be recycled Metal parts of the equipment are disposed as scrap metal Synthetic materials electrical components and printed circuit boards are disposed as electrical scrap Material must be disposed according to the relevant national legal regulations Consult specialized disposal companies for this purpose Please inquire of the local administration concerning local disposal companies For disposal of batteries in EU countries refer to the above remarks concerning batteries Inquire with the local dealer where the batteries or equipment were purchased for details concerning battery disposal Service Root ZX mini may be repaired and serviced by e The technicians of J Morita s subsidiaries all over the world e Technicians employed by authorized J Morita dealers and specially trained by J Morita e Independent technicians specially trained and authorized by J Morita Operation 2009 01 21 22 10 App
16. a metal prosthesis that is touching gingival tissue In this case widen the opening at the top of the crown so that the file will not touch the metal prosthesis before taking a measurement Cutting debris on tooth Pulp inside canal Thoroughly remove all cutting debris on the tooth Thoroughly remove all the pulp inside the canal otherwise an accurate measurement cannot be made Caries touching the gums In this case electrical leakage through the caries infected area to the gums will make it impossible to obtain an accurate measurement Blocked Canal The meter will not move if the canal is blocked Open the canal all the way to the apical constriction to measure it Extremely dry canal If the canal is extremely dry the meter may not move until it is quite close to the apex In this case try moistening the canal with oxydol or saline 12 Root ZX mini Meter Reading and Radiography Sometimes the Root ZX mini meter reading and the x ray image will not correspond This does not mean that the Root ZX mini is not working properly or that the x ray exposure is a failure Occasionally the actual apical foramen does not correspond exactly The actual apical foramen may be located up towards the crown In these cases the x ray image will seem to indicate that the file has not reached the apex BO X ray Tube Apical foramen is located up towards the crown X ray Film Depending on the angle of penetration of the
17. a short description of the problem and a copy of the sales receipt from the dealer as proof of purchase and title to warranty Always ship prepaid Distributor does not accept collect shipments In the case of damage caused by wear and tear careless handling and repairs not carried out by an authorized service facility the warranty ceases to be valid This guarantee may not form the basis for any claims for damages in particular not for compensation of consequential damages The buyer assumes responsibility for damage due to dropping of the unit improper use and utilization of product and chemicals other than those stated in this instruction manual for cleaning It is the customer s responsibility to maintain the exact rated voltage indicated at the bottom of the unit and the office maintains electrical outlets for proper performance of the unit 4 This warranty does not include the external accessories file electrode batteries or transportation costs 19 Operation 2009 01 21 9 Technical Description Main unit and accessories Model RCM 7 Classification Safety according to IEC 60601 1 IEC 60601 1 2 UL60601 1 CAN CSA C22 2 NO 601 1 M90 European Directive 93 42 EEC Ha Canada Medical devices Class II Type of Protection against Electric Shock Battery operated Degree of Protection against Electric Shock Type BF applied part Degree of Protection IEC 60529 IPX O Mode of Operation Main unit Power Supply
18. art may be malfunctioning Do not use the unit and send the unit to J Morita regional office for repairing Prescription unit A rubber dam should be used when performing endodontic treatment Check the Root ZX mini s operation before each patient If the indicators in the display do not all appear normally the instrument may not be able to make an accurate measurement In this case stop using the instrument and have it repaired see page 4 Never connect the Root ZX mini to any device not approved by the J Morita Corp see page 5 The meter readings 1 2 and 3 do not correspond to any actual distance and should only be used as estimates see page 5 Never use the unit if the battery power indicator is flashing on and off The unit may not function properly if the battery power is low see page 5 15 The Memory Bar should only be used as an estimate You may need to change it during enlargement and cleaning If there seems to be some problem stop using the instrument immediately see page 6 Check the settings displayed after selecting memories see page 7 In some cases such as a blocked canal a measurement cannot be made see page 7 Always check the measurement with an x ray In some cases an accurate measurement cannot be made because of the canal shape unusual cases or poor performance of the instrument see page 7 Stop using the instrument immediately if you sense something odd or abnormal while ta
19. e PUNCH Om sireisas ero E E E R aS 3 Checking the Function with the Tester csescsssscesscosessssecessscersscenseotenssecceses 4 Sy Op fatng the Unt rroe T cola clay a saes aah oaeesv nas une else uae eee 5 Operation Panel Display and Switches cccceccceeseeesceesseceteceeeeeeeeeeeeeseenteenees 5 SETE S 5h 25 20g a Cade suede ER deel EEE A sees O AREE edt 6 Meter Display Taai iraina teas skeaa terest tamed tara yans ute eater dane al 7 Operating the Unit ienasi a n tec aan a esac a a a 8 Root Canals not suitable for Electronic Measurement ccccceseceeeeeeteeesees 11 Root ZX mini Meter Reading and Radiography ns sessssessesessssessesessssessessessees 13 4 A kter Usine the WINN 5 es nre ee n a a A a a E R 14 3 Replacing Batteries v tscssdasaveeatians Aseecdesidins a edna Aa E A At 15 6 Sterilization and Replacement Parts ssc asvessiesstes cts Screen aivdlsuh ataneshatuaeess 16 Sterilization osse ee once cy quia agen oe E e A E evans ceased tanta et 16 Replacement Parts iere ccsveeh atte irina Mesure e ia eaa as 16 SKO C 11E E E apheuateatannegtabaeeduapbatenmeasanens 16 7 Maintenance and Inspection s ss sessssessesessseessessreseesseesrssresseessesrsstesseserssessessessres 17 S TROUBLESHOOTING onson aa a a a a a aS 18 Os Technical Descriptio s nenresssiin neno aE a a E E aane masala 20 10 Appendix Electromagnetic declaration s 2 isscucediuiieeslsvaiedacdteccisveeastnaeendyn 23 Operation 2
20. ected to the probe cord 4 Touch the metal part of the file holder with the contrary electrode Check that all the meter indicator bars on the display light up 3 Operation 2009 01 21 A N WARNING Check the Root ZX mini s operation before each patient If the indicators in the display do not all appear normally the instrument may not be able to make an accurate measurement In this case stop using the instrument and have it repaired Checking the Function with the Tester Check Root ZX mini s performance with the tester once a week 1 Press the Power switch to turn the unit on Tester 2 Insert the tester into the probe cord jack Check that the meter indicates within 3 bars away from above or below 1 The meter may jump when the tester is inserted If it does wait for about one second until the meter stabilizes and then check the reading Tf the reading is 4 or more bars away from 1 the unit will not make an accurate measurement In this case contact your local dealer or J Morita regional office Must be Within this range APEX l Operation 2009 01 21 4 3 Operating the Unit A N WARNING Never connect the Root ZX mini to any device not approved by the J Morita Corp Operation Panel Display and Switches Sound Volume Off Low High Battery Power Indicator This bar graph indicates remaining batter
21. endix Electromagnetic declaration A N WARNING e Some care must be taken concerning electromagnetic compatibility EMC when using the Root ZX mini hereafter referred to as the RCM 7 Refer to the user s manual and other attached documents for EMC information regarding installation and operation e Both portable and movable radio frequency transmitters may have some effect on the RCM 7 e Using replacement parts or accessories not supplied by the original manufacturer or vender could adversely affect the EMC performance of the RCM 7 e As far as possible do not use the RCM 7 near or simultaneously with other devices If this cannot be avoided observe carefully and make sure both the RCM 7 and the other device operate normally Guidance and manufacturer s declaration electromagnetic emissions The RCM 7 is intended for use in the electromagnetic environment specified below The customer or the user of the RCM 7 should assure that it is used in such an environment Emissions test Compliance Electromagnetic environment guidance The RCM 7 uses RF energy only for its internal function RF emissions G 1 Therefore its RF emissions are very low and are not likely to CISPR 11 ia cause any interference in nearby electronic equipment RF emissions The RCM 7 is suitable for use in all establishments including CISPR 11 Class B domestic establishments and those directly connected to the public low voltage p
22. equirements of the European Directive 93 42 EEC for product registration and incident report 09 01 5 300 PUB M8069 E Printed in Japan
23. he unit is turned off is the one that will be selected when is it turned back on again 2 Set the Flash Bar The Flash Bar can be set anywhere from 2 to Apex 0 Use it as an estimate of the canal s working length Method When the file is not inserted hold down the Power Switch and then press the Set Switch at the same time Each press of the Set Switch will move the Flash Bar one bar towards the Apex The position will be automatically memorized AN NOTE The Flash Bar cannot be set beyond the Apex 3 Memory Bar The Memory Bar can be set anywhere up to APEX The Memory Bar can be set during treatment to mark a point of interest inside the canal such as the beginning of a curve a certain distance from the apex or the point to change file size for enlargement Method Insert the file up to the desired point and then press the Set Switch This will cause another bar to flash on and off at a slightly slower speed that the main Flash Bar This will not change the point where the alarm is activated A N WARNING The Memory Bar should only be used as an estimate You may need to change it during enlargement and cleaning If there seems to be some problem stop using the instrument immediately A N NOTE e The Memory Bar cannot be set beyond the Apex e The Memory Bar can be set at a different point for each of the 3 memories e The Memory Bar will stay wherever you set
24. it until the Root ZX mini is turned off but it will not be memorized 4 Beeper Volume A 4 4 The volume of the beep can be set for Loud or Soft or it can be turned off OFF Method Hold down the Set Switch and turn the Root ZX mini on This will change the setting of the beep from Loud to Off Repeat the procedure to change it from Off to Soft The setting will be memorized and stay the same the next time you turn the unit on AN NOTE The volume of the beep that sounds when the unit is turned on cannot be adjusted Z WARNING Check the settings displayed after selecting memories Meter Display m The position of the file tip is shown by the canal length indicator bar on the display The Flash Bar flashes on and off once file is inserted into the root canal Z NOTE Do not let the file touch the gums This will cause the meter to jump to Apex m rm 4 e If the canal is extremely dry the meter may not move until Li aoe lt it is quite close to the apex ams g If the meter does not move try moistening the canal with oxydol or saline Occasionally the canal length indicator bar will make a sudden and large movement as soon as the file is inserted into the root canal but it will return to normal as the file is advanced down towards the apex A N WARNING e In some cases such as a blocked canal a measurement cannot be made For details
25. king a measurement see page 7 Do not use an ultrasonic scaler with the contrary electrode attached to the patient Electrical noise from the scaler could interfere with canal measurements see page 8 Make sure that the contrary electrode file holder etc do not come into contact with an electric power source such as an electrical socket This could result in a severe electrical shock see page 8 Autoclave file holder and contrary electrode after each patient see page 16 Some care must be taken concerning electromagnetic compatibility EMC when using the Root ZX mini hereafter referred to as the RCM 7 Refer to the user s manual and other attached documents for EMC information regarding installation and operation see page 23 Both portable and movable radio frequency transmitters may have some effect on the RCM 7 see page 23 Using replacement parts or accessories not supplied by the original manufacturer or vender could adversely affect the EMC performance of the RCM 7 see page 23 As far as possible do not use the RCM 7 near or simultaneously with other devices If this cannot be avoided observe carefully and make sure both the RCM 7 and the other device operate normally see page 23 Use of the parts other than those accompanied or specified by J Morita Mfg Corp may result in increased EMC emissions or decreased EMC immunity of the RCM 7 see page 26 Operation 2009 01 21 ii Z PROHIBITION
26. ment Check cord connections Check probe cord for broken wire Check that all connections are properly secured Touch the contrary electrode to the file holder to check probe cord conductivity No alarm sound Check if sound is turned off Turn the sound on Cannot switch memories Cannot change memory settings Is a measurement being performed Does the switch work The memory cannot be changed while the unit is making a measurement Switch may be broken Display does not appear Try replacing the dry cells If new dry cells do not solve the problem the LCD may be malfunctioning Canal Length Indicator is unstable Is contrary electrode making good contact with oral mucosa Is the file holder dirty Make sure the contrary electrode makes good contact with the oral mucosa Clean the file holder with Ethanol for Disinfection Ethanol 80 vol Canal Length Indicator overreacts or is too sensitive Measurements are too short Poor accuracy Erratic results Is blood or saliva overflowing from the opening of the crown Is the canal filled with blood saliva or chemical solutions Is the tooth surface covered with cutting debris or chemical solutions Is the file touching the gingival tissue Is there pulp tissue left inside the root canal Is the file touching a metal prosthesis Are proximal surfaces infected with caries If blood or
27. nced down towards the apex see page 7 The contrary electrode could cause an adverse reaction if the patient has an allergy to metals Ask the patient about this before using the contrary electrode see page 8 Take care that medicinal solutions such as formalin cresol FC or sodium hypochlorite do not get on the contrary electrode or the file holder These could cause an adverse reaction such as inflammation see page 8 Always clip the file holder to the upper part of file shaft near the handle The metal and plastic part of the file holder can be damaged if they are attached to the file s cutting part or the transition to the cutting part see page 9 Use files and reamers with plastic handles only If the file has a metal handle electrical leakage will occur when the handle is touched by fingers and it will prevent an accurate root canal measurement Even if the file handle is made of plastic make sure not to touch the metal part of the file with finger see page 9 iii Operation 2009 01 21 AN NOTE e Do not use damaged file holders An accurate measurement cannot be made using a damaged file holder see page 9 GOOD BAD e Clip the file as shown in illustration 1 to the right If the file is in the position shown in illustration 2 it may not make a correct measurement and the file holder could be damaged see page 9 e Make sure to take an x ray to check the results see page 10 e Do not pull di
28. ng barrier to stop the leakage A lesion can destroy the apical foramen through absorption and an accurate measurement cannot be obtained Replace or clean the file holder Canal Length Indicator does not move at all or only when the file tip is close to the apical foramen Is the canal blocked Is the apical foramen very large and open Is the canal extremely dry Open the passage all the way through the apical constriction first and then take the measurement If the apical foramen is large or wide open and not completely formed the canal length indicator bar will suddenly jump when the file tip gets close to the apex Moisten the canal with oxydol or a saline solution Cannot set Memory Bar for file tip at desired point Is desired indicator bar lit up Did you press the Set switch Has file tip gone beyond Apex Bar Advance file to desired point Press Set switch firmly Move file tip up above the Apex Bar Warranty 1 Year Limited Warranty l The manufacturer gives a guarantee for one year beginning from the date of purchase Within this period any defect that is due to faulty manufacturing or material will be remedied by repair or replacement at the judgment of the manufacturer or its distributor Warranty repair and service In the event of a claim under this guarantee the device is to be sent to the service facility of the distributor postage and shipping paid including
29. ower supply network that supplies Harmonic emissions Not l buildings used for domestic purposes IEC61000 3 2 applicable Voltage fluctuations flicker Not emissions applicable IEC 61000 3 3 23 Operation 2009 01 21 Guidance and manufacturer s declaration electromagnetic immunity The RCM 7 is intended for use in the electromagnetic environment specified below The customer or the user of the RCM 7 should assure that it is used in such an environment s IEC 60601 test Electromagnetic environment Immunity test Compliance level level guidance Electrostatic 6 kV contact 2 4 6 kV contact Floors should be wood concrete or discharge ESD ceramic tile If floors are covered IEC 61000 4 2 8 kV air 2 4 8 kV air with synthetic material the relative humidity should be at least 30 Electrical fast 2 kV for power Not applicable The test is applicable since the EUT transients bursts supply lines does not have AC DC power ports IEC 61000 4 4 1 kV for Not applicable and signal interconnecting cable input output lines longer than 3m Surge 1 kV line s to Not applicable The test is not applicable since the TEC 61000 4 5 line s EUT does not have AC power port 2 kV line s to Not applicable earth Voltage dips lt 5 Ur Not applicable The test is not applicable since the short gt 95 dip in Ur EUT does not have AC power port interruptions and for 0 5 cycle lt
30. pearance of the display e Avoid spilling chemical solutions used for treatment on the Root ZX mini These chemicals could cause damage deform or discolor the Root ZX mini Be especially careful to avoid spilling formalin cresol FC and sodium hypochlorite as they are quite strong Wipe up any chemical spills immediately Some chemicals may leave discoloration and spots even if they are immediately wiped up Replacement Parts Replace parts as necessary depending on degree of wear and length of use Order replacement parts from your local dealer or J Morita regional office Storage Store the unit where it will not be exposed to x rays or direct sunlight and where the ambient temperature range is between 10 C 14 F and 70 C 158 F humidity between 8 RH and 80 RH without condensation and atmospheric pressure between 700 hPa and 1 060 hPa If the unit has not been used for a long time make sure it works properly before use Always remove the batteries prior to storing or shipping the unit The working life of this unit is 6 years from the date of shipment provided it is regularly and properly inspected and maintained Operation 2009 01 21 16 7 Maintenance and Inspection R The user hospital medical institute or clinic is responsible for inspection and maintenance of medical units egular Inspection This unit should be inspected every 6 months in accordance with the following maintenance and
31. ration and spots even if they are immediately wiped up see page 16 Operation 2009 01 21 iv 1 Parts Identification Intended use This unit can be used to detect the apex of root canal LCD Screen File Holder 5 a Contrary Electrode Set Switch Power Switch Strap Holes Probe Cord DTC MOLEl elim aoli to transmit display data Accessories Probe Cord 1 File Holder 3 Contrary Electrode 5 D Tester 1 Alkaline Dry Cells 3 Long File Holder Option LRO3 AAA size batteries Els Operation 2009 01 21 2 Before Using the Unit AN NOTE Root ZX mini is shipped without the batteries installed Remove the cover and install the 3 LRO3 AAA size batteries Installing the Batteries 1 Slide the cover in the direction by the arrow in the illustration and remove it from the ROOT ZX mini 2 Insert the 3 LRO3 AAA size batteries included in the package 1 Insert the batteries by first pressing center of the minus end against its spring contact 2 Slide the plus end down into place and make sure the contacts are not bent or damaged AN NOTE e Do not reverse the plus and minus poles e Never allow the spring contact to push against the edge of the battery This could damage the outer cover causing a short or a leakage of battery liquid 3 Slide the cover all the way down until it is securely closed
32. rectly on the cords when connecting or disconnecting the E probe and file holder Always grip the connectors to connect and E BA disconnect cords see page 14 in Taa e Do not wrap the probe cord around the body of the main unit see page 14 e Do not reverse the plus and minus poles see page 15 Cord e Never allow the spring contact to push against the edge of the battery This could damage the outer cover causing a short or a leakage of battery liquid see page 15 e After installation give the cover a light tug to confirm it is securely attached see page 15 e Always use LRO3 alkaline oxyride or manganese dry cells Manganese dry cells will not last as long as oxyride or alkaline dry cells Never use rechargeable nickel hydrogen or nickel cadmium batteries see page 15 e All the dry cells should be of the same type i e all alkaline all OxyrideTM or all manganese see page 15 e Replace all three batteries at the same time see page 15 e Never use batteries that are leaky deformed discolored or otherwise abnormal see page 15 e Dispose of old batteries according to local codes and regulations see page 15 e In case of battery leakage carefully dry the battery terminals and remove all of the leaked liquid Replace the battery with a new one see page 15 e Do not sterilize in any way other than autoclave see page 16 e Autoclave and dry at 135 C but do not exceed that temperature
33. rs Z N WARNING Use of the parts other than those accompanied or specified by J Morita Mfg Corp may result in increased EMC emissions or decreased EMC immunity of the RCM 7 Operation 2009 01 21 26 tl J MoRITA MFG CORP 680 Higashihama Minami cho Fushimi ku Kyoto 612 8533 Japan www jmorita mfg com Distributors J MORITA CORPORATION Tokyo Office 11 15 2 Chome Ueno Taito ku Tokyo 110 8513 Japan Osaka Office 33 18 3 Chome Tarumi cho Suita Osaka 564 8650 Japan J MORITA USA Inc 9 Mason Irvine CA 92618 U S A TEL 1 949 581 9600 FAX 1 949 465 1095 J MORITA EUROPE GMBH Justus Von Liebig Strasse 27A D 63128 Dietzenbach Germany TEL 49 6074 836 0 FAX 49 6074 836 299 Siamdent Co Ltd 71 10 Bangpakong Industrial Park Bangna Trad KM 52 Bangpakong Chachuengsao 24130 Thailand TEL 66 38 57 3042 FAX 66 38 57 3043 J MORITA CORPORATION Australia and New Zealand Suite 2 05 Aero 247 Coward Street Mascot NSW 2020 Australia TEL 61 2 9667 3555 FAX 61 2 9667 3577 EU Authorized Representative under the European Directive 93 42 EEC Ec REP MEDICAL TECHNOLOGY PROMEDT CONSULTING GMBH AltenhofstraBe 80 66386 St Ingbert Germany TEL 49 6894 581020 FAX 49 6894 581021 The authority granted to the authorized representative MEDICAL TECHNOLOGY PROMEDT Consulting GmbH by J Morita Mfg Corp is solely limited to the work of the authorized representative with the r
34. s an allergy to metals Ask the patient about this before using the contrary electrode FC or sodium hypochlorite do not get on the contrary electrode or the file holder These could cause an adverse reaction such as inflammation 3 Clip the file holder to the metal shaft of the file 1 Press in direction of arrow with the thumb 2 Clip file 3 Release thumb File Holder File or Reamer A N NOTE Always clip the file holder to the upper part of file shaft near the handle The metal and plastic part of the file holder can be damaged if they are attached to the file s cutting part or the transition to the cutting part Handle Cutting part Metal part of and transition file holder to cutting part Do not clip onto this part A N NOTE e Use files and reamers with plastic handles only If the file has a metal handle electrical leakage will occur when the handle is touched by fingers and it will prevent an accurate root canal measurement Even if the file handle is made of plastic make sure not to touch the metal part of the file with finger e Do not use damaged file holders An accurate measurement cannot be made using a damaged file holder Clip the file as shown in illustration 1 to the left If the file is in the position shown in illustration 2 it may not make a correct measurement and the file holder could be damaged 9 Operation 2009 01 21 4 Pres
35. s the Set Switch to select Memory 01 02 or 03 Set Switch 5 Insert the file up to the Flash Bar this point can also be recognized by the change in the beeping Position the rubber stopper on the tooth surface as a reference point to determine the root canal s working length Use the 0 5 reading on the meter to estimate the canal s length Flash Bar 6 Determine the working length File Holder a If the file tip is at the 0 5 meter reading subtract from 0 5 to 1 0 mm to determine the working length The working length will differ somewhat depending on each individual tooth This discrepancy must be judged by the dentist as he works on the tooth JING Rubber Stopper A N NOTE Make sure to take an x ray to check the results Operation 2009 01 21 10 Root Canals not suitable for Electronic Measurement Accurate measurement cannot be obtained with the root canal conditions shown below There may be cases other than these where an accurate measurement cannot be made Clean Branch Gutta Percha Root Canal with a large apical foramen Root canal that has an exceptionally large apical foramen due to a lesion or incomplete development cannot be accurately measured the results will show shorter measurement than the actual length Root Canal with blood saliva or a chemical solution overflowing from the opening If blood saliva
36. the J Morita Mfg Corp and in their original condition J Morita Mfg Corp will not be responsible for accidents equipment damage or bodily injury resulting from operating the equipment in ways other than the operating procedures described in this manual or resulting from not following the cautionary remarks and warnings in this manual J Morita Mfg Corp will not be responsible for accidents equipment damage or bodily injury resulting from workplace conditions and environment or installation conditions such as improper electrical power supply which do not conform to those stated in this manual J Morita Mfg Corp will not be responsible for accidents equipment damage or bodily injury resulting from fires earthquakes floods lightning natural disasters or acts of God J Morita Mfg Corp will supply replacement parts and be able to repair the product for a period of 10 years after the manufacture of the product has been discontinued Inspect the unit every 6 months in accordance with the Maintenance and Inspection items Refer to the replacement parts lists and replace worn parts whenever necessary Operation 2009 01 21 CONTENTS WL Parts Identification ss cocaine itt tn ale pd dt ais lake cal ales sanselenee el deem stnis beri tales lace 1 2 Before Using Te Unit 2 sats ae ease tcpea doa asin el de a a Vail a A dnote 2 Connecting the ProbeCOtd ici x 3s civ sadectiaudadued sat niasain eens wa a eeaiaion 3 Checking th
37. tions equipment and the RCM 7 The RCM 7 is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled The customer or the user of the RCM 7 can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment transmitters and the RCM 7 as recommended below according to the maximum output power of the communications equipment Separation distance according to frequency of transmitter Rated maximum output ii power of transmitter W 150 kHz to 80 MHz 80 MHz to 800 MHz 800 MHz to 2 5 GHz d 1114P d 1 00 4P d 2 004P 0 01 0 11 0 10 0 20 0 1 0 35 0 32 0 63 1 1 11 1 00 2 00 10 3 51 3 16 6 32 100 11 10 10 00 20 00 For transmitters rated at a maximum output power not listed above the recommended separation distance d in meters m can be estimated using the equation applicable to the frequency of the transmitter where P is the maximum output power rating of the transmitter in watts W according to the transmitter manufacturer NOTE 1 At 80 MHz and 800 MHz the separation distance for the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people Essential Performance Noise does not substantially change measurement Accessory Probe Cord length 1 7 mete
38. tions are not followed properly A PROHIBITION The user can not use in such a way that may result in serious injury of the patient or operator A NOTE This alerts the user to the possibility of damage to the equipment potential injury of the patient or operator or important points concerning operation and performance The user e g the hospital clinic etc is the party responsible for the maintenance and proper operation of a medical device Medical devices must only be operated by dentists and other legally licensed professionals Do not use this equipment for anything other than its specified purpose Caution Federal law restricts this device to sale by or on the order of a dentist for U S A i Operation 2009 01 21 A N WARNING This unit must not be connected to or used in combination with any other apparatus or system It must not be used as an integral component of any other apparatus or system J Morita Mfg Corp will not be responsible for accidents equipment damage bodily injury or any other trouble which results from ignoring this prohibition Accurate canal measurement is not always possible depending on the shape and condition of the tooth as well as a decline in the equipment s performance Do not use damaged file holders an accurate measurement can not be made with a damaged file holder When a continuous tone is heard while the main power switch is on and without any operation some electrical p
39. watts W according to the transmitter manufacturer and d is the recommended separation distance in meters m Field strengths from fixed RF transmitters as determined by an electromagnetic site survey should be less than the compliance level in each frequency range p Interference may occur in the vicinity of equipment marked with the following symbol Ko At 80 MHz and 800 MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected be absorption and reflection from structures objects and people a Field strengths from fixed transmitters such as base stations for ratio cellular cordless telephones and land mobile radios amateur radio AM and FM radio broadcast and TV broadcast cannot be predicated theoretically with accuracy To assess the electromagnetic environment due to fixed RF transmitters an electromagnetic site survey should be considered If the measured field strength in the location in which the RCM 7 is used exceeds the applicable RF compliance level above the RCM 7 should be observed to verify normal operation If abnormal performance is observed additional measures may be necessary such as reorienting of relocating the RCM 7 gt Over the frequency range 150 kHz to 80MHz field strengths should be less than 3 V m 25 Operation 2009 01 21 Recommended separation distances between portable and mobile RF communica
40. x ray beam the apex may not appear correctly and the position of the apical foramen may appear to be located differently than it actually is 13 Operation 2009 01 21 4 After Using the Unit 1 Turn the unit off The unit will automatically turn off after 10 minutes of non use 2 Disconnect the probe cord and other cords or cables A NOTE e Do not pull directly on the cords when connecting or disconnecting the probe and file holder Always grip the connectors to connect and disconnect cords e Do not wrap the probe cord around the body of the main unit Operation 2009 01 21 14 5 Replacing Batteries Replace the batteries as soon as the battery power indicator starts flashing A N WARNING Never use the unit if the battery power indicator is flashing on and off The unit may not function properly if the battery power is low When battery power falls too much an alarm will sound and the unit will automatically turn itself off 1 Slide the cover in the direction by the arrow in the illustration and remove it from the Root ZX mini 2 Insert the 3 LRO3 AAA size batteries included in the package 1 Insert the batteries by first pressing center of the minus end against its spring contact 2 Slide the plus end down into place and make sure the contacts are not bent or damaged NOTE e Do not reverse the plus and minus poles e Never allow the spring
41. y power Replace the batteries when this indicator begins flashing Z WARNING Never use the unit if the battery power indicator is flashing on and off The unit may not function properly if the battery power is low Canal Length Indicator Bars Meter WARNING The meter readings 1 2 and 3 do not correspond to any actual distance and should only be used as estimates When battery power falls too much alarm will sound and the unit will automatically turn itself off The unit will automatically turn off after 10 minutes of non use Power Switch Flash Bar Use this line as an estimate for root canal measurement Set Switch Information Display Standby file outside canal Memory Bar Memory Number for Flash Bar Use this as an estimate of During Measurement file inside canal some intermediate point Number of bars left before Flash Bar inside the canal is reached When Flash Bar position is being set Position of Flash Bar 5 Operation 2009 01 21 Memory Bar tarts flashing Operation 2009 01 21 J Settings 1 Select Memorized Flash Bar Press Set Switch Each press of the Set Switch will change the memory selected in the sequence 01 to 02 to 03 and then back to 01 again The Flash Bar set for each memory will appear when that memory is selected The memory selected when t

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