Journal of Endodontics
Volume 36, Issue 8 , Pages 1289-1294 , August 2010

The Operating Microscope Enhances Detection and Negotiation of Accessory Mesial Canals in Mandibular Molars

  • Meric Karapinar-Kazandag, DDS, PHD

      Affiliations

    • Department of Endodontics Faculty of Dentistry, Yeditepe University, Istanbul, Turkey
    • Corresponding Author InformationAddress requests for reprints to Dr Meric Karapinar-Kazandag, Yeditepe University, Faculty of Dentistry, Department of Endodontics, Bagdat cad No:238 34728, Goztepe/Istanbul/Turkey.
  • ,
  • Bettina R. Basrani, DDS, PhD

      Affiliations

    • Discipline of Endodontics, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
  • ,
  • Shimon Friedman, DMD

      Affiliations

    • Discipline of Endodontics, Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada

References 

  1. Kersten DD, Mines P, Sweet M. Use of the microscope in endodontics: results of a questionnaire. J Endod. 2008;34:804–807
  2. Lee M, Winkler J, Hartwell G, et al. Current trends in endodontic practice: emergency treatments and technological armamentarium. J Endod. 2009;35:35–39
  3. Saunders WP, Saunders EM. Conventional endodontics and the operating microscope. Dent Clin North Am. 1997;41:415–428
  4. Stropko JJ. Canal morphology of maxillary molars: clinical observations of canal configurations. J Endod. 1999;25:446–450
  5. de Carvalho MC, Zuolo ML. Orifice locating with a microscope. J Endod. 2000;26:532–534
  6. Gorduysus MO, Gorduysus M, Friedman S. Operating microscope improves negotiation of second mesiobuccal canals in maxillary molars. J Endod. 2001;27:683–686
  7. Schwarze T, Baethge C, Stecher T, et al. Identification of second canals in the mesiobuccal root of maxillary first and second molars using magnifying loupes or an operating microscope. Aust Endod J. 2002;28:57–60
  8. Baldassari-Cruz LA, Lilly JP, Rivera EM. The influence of dental operating microscope in locating the mesiolingual canal orifice. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2002;93:190–194
  9. Buhrley LJ, Barrows MJ, BeGole EA, et al. Effect of magnification on locating the MB2 canal in maxillary molars. J Endod. 2002;28:324–327
  10. Sempira HN, Hartwell GR. Frequency of second mesiobuccal canals in maxillary molars as determined by use of an operating microscope: a clinical study. J Endod. 2000;26:673–674
  11. Hess W, Zurcher E. The anatomy of the root canals of the teeth of the permanent and deciduous dentitions. New York: William Wood & Co; 1925;
  12. Skidmore AE, Bjorndal AM. Root canal morphology of the human mandibular first molar. Oral Surg Oral Med Oral Pathol. 1971;32:778–784
  13. Pineda F, Kuttler Y. Mesiodistal and buccolingual roentgenographic investigation of 7,275 root canals. Oral Surg Oral Med Oral Pathol. 1972;33:101–110
  14. Pomeranz HH, Eidelman DL, Goldberg MG. Treatment considerations of the middle mesial canal of mandibular first and second molars. J Endod. 1981;7:565–568
  15. Martinez-Berna A, Badanelli P. Investigacion clinica de molars inferiors con cinco conductos. Boletin de Informacion Dental. 1983;43:27–41
  16. Vertucci FJ. Root canal anatomy of the human permanent teeth. Oral Surg Oral Med Oral Pathol. 1984;58:589–599
  17. Fabra-Campos H. Unusual root anatomy of mandibular first molars. J Endod. 1985;11:568–572
  18. Fabra-Campos H. Three canals in the mesial root of mandibular first permanent molars: a clinical study. Int Endod J. 1989;22:39–43
  19. Goel N, Gill K, Taneja J. Study of root canals configuration in mandibular first permanent molar. J Indian Soc Pedod Prev Dent. 1991;8:12–14
  20. Caliskan MK, Pehlivan Y, Sepetcioglu F, et al. Root canal morphology of human permanent teeth in a Turkish population. J Endod. 1995;21:200–204
  21. Gulabivala K, Aung TH, Alavi A, et al. Root and canal morphology of Burmese mandibular molars. Int Endod J. 2001;34:359–370
  22. Gulabivala K, Opasanon A, Ng YL, et al. Root and canal morphology of Thai mandibular molars. Int Endod J. 2002;35:56–62
  23. Sert S, Bayirli GS. Evaluation of the root canal configurations of the mandibular and maxillary permanent teeth by gender in the Turkish population. J Endod. 2004;30:391–398
  24. Ahmed HA, Abu-bakr NH, Yahia NA, et al. Root and canal morphology of permanent mandibular molars in a Sudanese population. Int Endod J. 2007;40:766–771
  25. Navarro LF, Luzi A, Garcia AA, et al. Third canal in the mesial root of permanent mandibular first molars: review of the literature and presentation of 3 clinical reports and 2 in vitro studies. Med Oral Patol Oral Cir Bucal. 2007;12:E605–E609
  26. Mannocci F, Peru M, Sherriff M, et al. The isthmuses of the mesial root of mandibular molars: a micro-computed tomographic study. Int Endod J. 2005;38:558–563
  27. von Arx T. Frequency and type of canal isthmuses in first molars detected by endoscopic inspection during periradicular surgery. Int Endod J. 2005;38:160–168
  28. Gu L, Wei X, Ling J, et al. A microcomputed tomographic study of canal isthmuses in the mesial root of mandibular first molars in a Chinese population. J Endod. 2009;35:353–356
  29. Vertucci F. Root canal morphology and its relationship to endodontic procedures. Endod Topics. 2005;10:3–29
  30. Peiris HR, Pitakotuwage TN, Takahashi M, et al. Root canal morphology of mandibular permanent molars at different ages. Int Endod J. 2008;41:828–835
  31. Kulild JC, Peters DD. Incidence and configuration of canal systems in the mesiobuccal root of maxillary first and second molars. J Endod. 1990;16:311–317
  32. Weller RN, Niemczyk SP, Kim S. Incidence and position of the canal isthmus. Part 1. Mesiobuccal root of the maxillary first molar. J Endod. 1995;21:380–383
  33. Mortman RE, Ahn S. Mandibular first molars with three mesial canals. Gen Dent. 2003;51:549–551
  34. Burleson A, Nusstein J, Reader A, et al. The in vivo evaluation of hand/rotary/ultrasound instrumentation in necrotic, human mandibular molars. J Endod. 2007;33:782–787
  35. Carr GB, Schwartz RS, Schaudinn C, et al. Ultrastructural examination of failed molar retreatment with secondary apical periodontitis: an examination of endodontic biofilms in an endodontic retreatment failure. J Endod. 2009;35:1303–1309

PII: S0099-2399(10)00377-8

doi: 10.1016/j.joen.2010.04.005

Journal of Endodontics
Volume 36, Issue 8 , Pages 1289-1294 , August 2010