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13. ROOT ZX Check List

mmm

Smee

mmm

meu,

The

meter’s 0.5 reading is the standard

for determining the length of the canal.

The

Working

length

the

canal

can

estimated

being

0.5~1.0

shorter

than

the

canal

length indicated by the

0.5 reading.

oe tip

of the file

has actually passed

slightly

beyond

the apical

constriction

when the

meter reads

These general standards differ slightly depending on each individual tooth and canal shape; the

dentist should judge each case as he is working on it.

Take

x-ray to confirm the results.

eek

eee

Unusual Results or Problems

[—F

Solution

[<F

Solution

Meter is unstable.

Opposing electrode may not have

good contact with oral mucosa.

The file holder may be dirty.

[<F Position electrode for good contact with

oral mucosa.

[_F Clean off the file holder with disinfecting

alcohol.

To check the Root ZX, moisten your finger

with water and

place the file holder and

the opposing electrode about 1

cm apart

it.

consistent

meter

reading

shows

that the unit is in proper working order.

Results

are

inconsistent

when

the

terminals are shorted

out to

check

the device's operation.

Meter goes off the scale right away.

(Imprecise, erratic or short readings. )

Is the

crown

the

tooth

covered

with

overflow

blood

chemicals?

Erratic

meter

behavior

may

result from

blood, chemical etc. overflowing the canal

onto

the

crown

neck

and

making

electrical contact with the gums.

Содержание ROOT ZX RCM-1

Страница 1: ...l length measuring devt KOO ZXe Operation Instructions USP 5096419 USP 5211556 USP 5295833 DBP PAT 4126753 DBP PAT 4139424 DBP PAT 4232487 JAPAN PAT 2873722 JAPAN PAT 2873725 JAPAN UM 2097127 JAPAN DS 886542 Manufactured by JMORITA MFG CORP ...

Страница 2: ...nsible for accidents equipment damage or bodily injury resulting from maintenance or repairs USING Pa GI wor other than tiiose specified by the J Morita Mfg Corp and in their originai co dition The 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 r...

Страница 3: ...ST cece ce 13 1 Features The Root ZX requires no adjustments or calibrations and can be used whether the canal is dry or filled with strong electrolytes such as blood hypochlorite saline etc The thickness of the file has almost no effect on the measurement Since the position of the file tip and the meter reading are directly related root canal enlargement can easily be performed while continuously...

Страница 4: ...Indicator Accessories DA 3 Specifications Name Root ZX Model RCM 1 Rating D C 7 5 V five 1 5 volt AA alkali batteries Power consumption 0 3 W maximum Measurement Voltage A C 80 mV maximum 10 A maximum Measurement Amperes Displays and Indicators Reflection Color Liquid Crystal Display Piezoelectric Beeper Outer dimensions W96 x D80 x H105mm Weight Approx 550g ...

Страница 5: ...r on Remove the back cover to install the 5 Batteries For easy installation put the negative end of the battery in first Do not reverse the positions of the negative and positive ends of the battery Replace the batteries when the bar graph of batteries power indicator gets down to the last two lines Accurate readings cannot be obtained with batteries which are low on power Never use a mixture of a...

Страница 6: ...t or the holder could be damaged the cords when attaching or disconnecting the probe tile hoider or saliva ejector clip Always take an x ray to check the results Cord Occasionally the meter overreacts as soon as the file touches the inside of the root canal Please see the enclosed flowchart for an explanation of possible causes of such readings and their solutions ...

Страница 7: ...nce to the apical constriction towards the apex At this point the picture of the root canal will start flashing and the sound of the alarm will change f the file reaches the major foramen meter reading the alarm will change to a single sustained beep and the word APEX will begin flashing The small triangle located at the lower right which also indicates will also begin flashing The position indica...

Страница 8: ...ment _ 8 2 Audible Alarm The volume of the alarm may be adjusted and 3 types of alarm sounds may be selected ALARM e Adjust the volume of the alarm with the screw on the bottom of the unit Turn the screw in the direction 12 3 indicated by the arrow to increase the volume GC e Never turn the sound all the way off Three types of alarm sounds may be selected with the switch located on the bottom of t...

Страница 9: ...is left in the batteries Replace all 5 batteries when there are only 2 lines left in the bar graph and an image of a battery appears in the lower left corner of the display 8 Operation 1 Plug the probe into the PROBE jack on the main unit Do not pull on the cord when disconnecting the probe 2 Insert the file holder s plug gray into its connector also gray on the probe Insert the contrary electrode...

Страница 10: ...r reads 0 5 mm Then advance the file with slow clockwise turn until the word APEX will begin to flash When the apex is reached turn the file with slow counterclockwise turn until meter reads 0 5 mm again Since some canals have multiple constrictions it is essential that the file be taken to the apex then returned to the apical constriction to insure that the meter is registering the apical constri...

Страница 11: ... the individual Press the main switch again to turn the unit off The unit will automatically turn itself off after 20 minutes if you forget to The Root ZX can be used for purposes other than length determination Detect file perforation In the case of file perforation Root ZX will sound a single sustained beep and word APEX will begin flashing Detect post perforation In the case of a post perforati...

Страница 12: ...enough inside the canal Try inserting it deeper File Holder The meter in the display does not move or gives an erroneous reading 5 is Always turn the main switch on before ee Ss connecting the file holder to a file inserted yy isk CZ The opposing electrode may not be connected Make sure connections are ow secure Contrary Electrode The probe plug may not be pushed all the way into its jack The plug...

Страница 13: ...root canal but it will automatically return to normal as the file advances towards the apex The pulp chamber should be clean and dry f the meter still overreacts at the apex dry some of the electrolytic solution and use a larger file that is closer to the size of the apex vis still overreacts there may be too much pulp left in the canal Sometimes an accurate measurement cannot be made if a large a...

Страница 14: ...hort description of the probelm and a copy of the sales receipt from the dealer as proof of purchase and title to warra nty 3 In the case of damage caused by wear and tear careless handling and repairs not carried out by an authorized sevice 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 ...

Страница 15: ...sults or Problems F Solution F Solution 1 Meter is unstable Opposing electrode may not have good contact with oral mucosa The file holder may be dirty F Position electrode for good contact with oral mucosa _F Clean off the file holder with disinfecting alcohol To check the Root ZX moisten your finger with water and place the file holder and the opposing electrode about 1 cm apart on it A consisten...

Страница 16: ...hrough Caries on proximal surfaces can result in faces infected with current leakage and make accurate measurement impossible Current may proximal sur caries rey avate APEX at a branch due to The mete canal Current leakage may be branches off the main canal C7 This increases the likelihood of electrical contact between the canal and the gums Wash the canal with oxydol if the results are inconsiste...

Страница 17: ...Suita Osaka 4 865C MORITA 9 Mason _ irvine CA 92618 U S A TEL 1 949 581 9600 FAX 1 949 465 1095 UMORITA GMBH Justus Von Liebig Strasse 27A D 63128 Dietzenbach F R GERMANY TEL 49 6074 836 0 FAX 49 6074 836 299 J MORITA CORPORATION 2991 42 JMTI Plaza Building Ladprao Soi 101 38 Klongchan Bangkapi Bangkok 10240 THAILAND TEL 66 2 370 1333 FAX 66 2 370 1340 99 11 5 000 PUB M8001 E 9 Printed in Japan ...

Страница 18: ...king apical opening sudden curvature near apex Erratic reading error don t push and pull file instead rofate gently of pulp tissue near apex remove more pulp tissue sodium hypochlorite surface tension replace with H electrical current interference place a small amount of Glyde File Prep gel into canal prior to file insertion og tulsadental com WwW rn Dene ...

Страница 19: ...d the green bar When beeps become more rapid the file is nearing a constriction Continue advancing slowly until meter s tooth symbol begins flashing signifying the file has reached a constriction Gently continue advancing until beeping becomessolid or continuous The file has reached the terminus ot apex Very delicately continue advancing until the word APEX appears on the mefer and the red arrow t...

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