Journal of Endodontics
Volume 24, Issue 1 , Pages 48-50 , January 1998

An in vivo evaluation of an electronic apex locator that uses the ratio method in vital and necrotic canals

  • Craig A. Dunlap, DDS

      Affiliations

    • Dr. Dunlap is a former resident of the University of Illinois at Chicago. He is currently practicing in Danville, CA, and is an associate clinical professor at the University of California-San Francisco, CA.
    • Corresponding Author InformationAddress requests for reprints to Dr. Craig A. Dunlap, 26883 Pelham Place, Hayward, CA 94542.
    • ,
  • Nijole A. Remeikis, DDS

      Affiliations

    • Dr. Remeikis is professor and head of the Department of Endodontics, University of Illinois at Chicago, Chicago, IL.
    • ,
  • Ellen A. BeGole, PhD

      Affiliations

    • Dr. BeGole is associate professor of Biostatistics, Department of Orthodontics, University of Illinois at Chicago, Chicago, IL.
    • ,
  • Cindy R. Rauschenberger, DDS, MS

References 

  1. Ingle JI, Taintor JF. Endodontics. 3rd ed.. Philadelphia: Lee and Febiger; 1985;
  2. Cohen S, Burns RC. Pathways of the pulp. 5th ed.. St. Louis: CV Mosby; 1991;
  3. Kuttler Y. Microscopic investigation of root apicies. J Am Dent Assoc. 1955;50:544–552
  4. McDonald NJ. The electronic determination of working length. Dent Clin North Am. 1992;36:293–307
  5. Goldman M, Pearson AH, Darzenta N. Endodontic success: who's reading the radiograph?. Oral Surg. 1972;33:432–439
  6. McDonald NJ, Hovland EJ. An evaluation of the apex locator endocator. J Endodon. 1990;16:5–8
  7. Bramante CM, Berbert A. A critical evaluation of some methods of determining tooth length. Oral Surg. 1974;37:463–473
  8. Suzuki K. Experimental study on iontophoresis. J Jap Stoma. 1942;16:411–417
  9. Sunada I. New method for measuring the length of the root canal. J Dent Res. 1962;41:375–387
  10. Kobayashi C, Suda H. New electronic canal measuring device based on the ratio method. J Endodon. 1994;20:111–114
  11. Mayeda D, Simon J, Aimar D, Finley K. In vivo measurement accuracy in vital and necrotic canals with the Endex apex locator. J Endodon. 1993;19:545–548
  12. Hendrick R, Dove SB, Peters D, McDavid WD. Radiographic determination of canal length: direct digital radiography versus conventional radiography. J Endodon. 1994;20:320–326
  13. Pallares A, Faus V. An in vivo comparative study of two apex locators. J Endodon. 1994;20:576–579
  14. Fouad A, Krell K, McKendry D, Koorbusch G, Olson R. A clinical evaluation of five electronic root canal measuring instruments. J Endodon. 1990;16:446–449
  15. Richard O, Roux D, Bourdeau L, Woda A. Clinical evaluation of the accuracy of the evident RCM mark II apex locator. J Endodon. 1991;17:567–569
  16. Hembrough J, Weine F, Pisano J, Eskoz N. Accuracy of an electronic apex locator: a clinical evaluation in maxillary molars. J Endodon. 1993;15:242–246
  17. Frank A, Torabinejad M. An in vivo evaluation of Endex electronic apex locator. J Endodon. 1993;19:177–179

* This study was supported in part by an Endodontic Graduate Student Award from the Research and Education Foundation of the American Association of Endodontists.

PII: S0099-2399(98)80214-8

doi: 10.1016/S0099-2399(98)80214-8

Journal of Endodontics
Volume 24, Issue 1 , Pages 48-50 , January 1998

Article Tools