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Elements Apex Locator

English translation: View Link

13:41 Jul 30, 2005
English language (monolingual) [PRO]
Medical - Medical: Instruments / dental equipment
English term or phrase: Elements Apex Locator
PDL Connector Port - The ETCM Endodontic System is available with the optional PDL (Patency Data Link) Handpiece. This feature allows the operator to connect to the Elements Apex Locator and monitor the location of the file while instrumenting.

What is the nature of this "locator" ?
Jörgen Slet
Estonia
Local time: 03:14
Selected answer:View Link
Explanation:
The electronic apex locators are frequently employed in the endodontic treatment of teeth. They allow very simple and quick determination of the root canal length during treatment, without exposing the patient to harmful X-ray radiation.

The use of these devices is based on the assumption evolved by Sunada (10) that the electrical resistance between the periodontium and apical foramen is virtually constant, regardless of the age of patients or the shape and type of teeth. Therefore, the measurement of the root canal length is reduced to the measurement of the impedance between the measuring electrode, in the form of a needle placed in the prepared root canal and the large-surface reference electrode leaned against the oral mucous membrane. The measuring electrode is shifted as long as it shows a certain current magnitude, which means that the needle top has reached the apex foramen.

http://www.artronic.hr/text_only/products/endo/refer1.htm


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Note added at 1 hr 1 min (2005-07-30 14:43:07 GMT)
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This is even a better one :

http://www.brooks.af.mil/dis/DIS54/sec1b.htm
Selected response from:

Dina Abdo
Palestine
Local time: 03:14
Grading comment
Thank you
4 KudoZ points were awarded for this answer



SUMMARY OF ALL EXPLANATIONS PROVIDED
5 +4View Link
Dina Abdo


Discussion entries: 1





  

Answers


57 mins   confidence: Answerer confidence 5/5 peer agreement (net): +4
elements apex locator
View Link


Explanation:
The electronic apex locators are frequently employed in the endodontic treatment of teeth. They allow very simple and quick determination of the root canal length during treatment, without exposing the patient to harmful X-ray radiation.

The use of these devices is based on the assumption evolved by Sunada (10) that the electrical resistance between the periodontium and apical foramen is virtually constant, regardless of the age of patients or the shape and type of teeth. Therefore, the measurement of the root canal length is reduced to the measurement of the impedance between the measuring electrode, in the form of a needle placed in the prepared root canal and the large-surface reference electrode leaned against the oral mucous membrane. The measuring electrode is shifted as long as it shows a certain current magnitude, which means that the needle top has reached the apex foramen.

http://www.artronic.hr/text_only/products/endo/refer1.htm


--------------------------------------------------
Note added at 1 hr 1 min (2005-07-30 14:43:07 GMT)
--------------------------------------------------

This is even a better one :

http://www.brooks.af.mil/dis/DIS54/sec1b.htm

Dina Abdo
Palestine
Local time: 03:14
Specializes in field
Native speaker of: Native in ArabicArabic
PRO pts in category: 4
Grading comment
Thank you

Peer comments on this answer (and responses from the answerer)
agree  RHELLER
21 mins
  -> Thanks Rita :)

agree  jennifer newsome (X)
1 hr
  -> Thanks Jennifer :)

agree  Vicky Papaprodromou
5 hrs
  -> Thanks Vicky :)

agree  Elena Petelos: :))/ ;-)
8 hrs
  -> Thanks Elena :)
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