The Journal of Contemporary Dental Practice

Register      Login

SEARCH WITHIN CONTENT

FIND ARTICLE

Volume / Issue

Online First

Archive
Related articles

VOLUME 19 , ISSUE 8 ( 2018 ) > List of Articles

ORIGINAL RESEARCH

Mesiolingual Canal Prevalence in Maxillary First Molars assessed through Different Methods

Fernando B Barletta, Caroline Solda, Eduardo G Reston, Alissa L Zurawski, Paula Lambert, Caroline Zanesco

Keywords : Composite magnetic, Computerized microtomography, Mesiolingual canal, Radicular anatomy.

Citation Information : Barletta FB, Solda C, Reston EG, Zurawski AL, Lambert P, Zanesco C. Mesiolingual Canal Prevalence in Maxillary First Molars assessed through Different Methods. J Contemp Dent Pract 2018; 19 (8):959-963.

DOI: 10.5005/jp-journals-10024-2365

License: CC BY-NC 3.0

Published Online: 01-08-2018

Copyright Statement:  Copyright © 2018; Jaypee Brothers Medical Publishers (P) Ltd.


Abstract

Aim: Evaluate the prevalence of mesiolingual canal prevalence orifice in mesiobuccal roots of maxillary first molars using five methods of visualization. Materials and methods: About 73 first permanent maxillary molars were analyzed. Visual clinical analysis of the presence of the fourth canal was performed using a straight endodontic exploratory probe (EXDG16®) and a K10 manual file (SybronEndo®). Dental elements that were not located on the fourth canal were analyzed with the aid of a magnifying glass (Zeiss®) with a 2.5-fold increase and those teeth in which the fourth canal was not found went through the examination with clinical surgical microscope (OPTO®) with magnification of 20 times with both the explorer and endodontic file. Next, a periapical radiography of the teeth was performed in the teeth in which the mesiolingual canal was not yet found to observe the presence or absence of the fourth canal. Afterward, the teeth in which the canal was not yet located were scanned using the microtomography equipment (SkyScan®), at 100 kV and 100 μA, with an isotropic resolution of 16 μm. Results: The mesiolingual canal was located in 70 teeth (95.8%) and in only 3 teeth it was not identified. Conclusion: The visual method in the fourth canal search has limitations, whereas the composite magnifying glass, the clinical surgical microscopy, and the computerized microtomography are efficient methods for locating the fourth canal in the upper first molars. Clinical significance: The anatomical complexity of the first maxillary molars is one of the factors that leads to high failure rates in the endodontic treatments of this group of teeth. In most clinical situations, the mesiolingual canal goes unnoticed by professionals, since conventional radiographs do not always allow the visualization of all root canals. Determining an effective method for locating the mesiolingual canal is of paramount importance to the success of endodontic treatment.


PDF Share
  1. Filho TC, Cerda RS, Filho ED, Deus GA, Magalhães KM. The influence of the surgical operating microscope in locating the mesiolingual canal orifice: a laboratory analysis. Braz Oral Res 2006 Jan-Mar;20(1):59-63.
  2. Filho FB, Zaitter S, Haragushiku GA, Campos EA, Abuabara A, Correr GM. Analysis of the internal anatomy of maxillary first molars by using different methods. J Endod 2009 Mar;35(3):337-342.
  3. Schwarze T, Baethge C, Stecher T, Geurtsen W. 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 Aug;28(2):57-60.
  4. Vertucci FJ. Root canal anatomy of the human permanent teeth. Oral Surg 1984 Nov;58(5):589-599.
  5. Peeters HH, Suardita K, Setijanto D. Prevalence of a second canal in the mesiobuccal root of permanent maxillary first molars from an Indonesian population. J Oral Sci 2011 Dec;53(4):489-494.
  6. Pécora JD, Woelfel JB, Neto MD, Issa EP. Morphologic study of the maxillary molars part II: internal anatomy. Braz Dent J 1992;3(1):53-57.
  7. Hartmann MS, Ferreira P, Filho FB, Fariniuk LF, Limongi O, Pizzatto E. Clinical and microscopic analysis of the incidence of a fourth canal and its trajectory in the maxillary first molar. Rev Gaúcha Odontol 2009;57(4):381-384.
  8. Pineda F, Kuttler Y. Mesiodistal and buccolingual roentgenographic investigation of 7,275 root canals. Oral Surg 1972 Jan;33(1):101-110.
  9. O'Driscoll C. Illuminating magnification. J Irish Dent Assoc 2008 Dec/2009 Jan;54(6):282-286.
  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 Nov;26(11):673-674.
  11. Feix LM, Boijink D, Ferreira R, Wagner MH, Barletta FB. Microscópio operatório na endodontia: magnificação visual e luminosidade. Rev Sul Bras Odontol 2010;7(3):340-348.
  12. Assumpção TS, Bramante CM, Moraes IG, Garcia RB, Bernardineli N. Avaliação de foramina acessórios com o uso do microscópio clínico e electrónico de varredura. Rev Port Estomatol Cir Maxilofac 2009;50(4):215-219.
  13. Somma F, Leoni D, Plotino G, Grande NM, Plasschaert A. Root canal morphology of the mesiobuccal root of maxillary first molars: a micro-computed tomographic analysis. Int Endod J 2009 Feb;42(2):165-174.
  14. Verma P, Love RM. A micro CT study of the mesiobuccal root canal morphology of the maxillary first molar tooth. J Endod 2011 Mar;44(3):210-217.
  15. Cunha RS, Davini F, Fontana CE, Miguita KB, Bueno CE. O conceito microsonics: primeiro molar superior com cinco canais—relato de caso. Rev Sul Bras Odontol 2011;8(2):231-235.
  16. Kulild JC, Peters DD. Incidence and configuration of canal systems in the mesiobuccal root of maxillary first and second molars. J Endod 1990 Jul;16(7):311-317.
  17. Alaçam T, Tinaz AC, Genç Ö, Kayaoglu G. Second mesiobuccal canal detection in maxillary first molars using microscopy and ultrasonics. Aust Endod J 2008 Dec;34(3):106-109.
  18. Smadi L, Khraisat A. Detection of a second mesiobuccal canal in the mesiobuccal roots of maxillary first molar teeth. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2007 Mar;103(3):e77-e81.
  19. 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 Feb;93(2):190-194.
  20. Bramante CM, Torres M, Bramante AS, Moraes IG, Bernardineli N, Garcias RB, et al. Determinación de la frecuencia del conducto mesiopalatino em la raíz mesiovestibular de molares superiores. Análisis comparativo con dos métodos de evaluación. Med Oral 2004 Jul–2005 Dic;VI y VII(Especial):87-90.
  21. Görduysus MÖ, Görduysus M, Friedman S. Operating microscope improves negotiation of second mesiobuccal canals in maxillary molars. J Endod 2001 Nov;27(11):683-686.
  22. Reis AG, Soares RG, Barletta FB, Fontanella VR, Mahl CR. Second canal in mesiobuccal root of maxillary molars is correlated with root third and patient age: a cone-beam computed tomographic study. J Endod 2013 May;39(5):588-592.
  23. Rodrigues CD, Freire AM, Barbosa SV. Anatomia interna da raiz mésio-vestibular dos primeiros e segundos molares permanentes superiores. Rev Odontol Bras Central 2011;20(52):31-35.
PDF Share
PDF Share

© Jaypee Brothers Medical Publishers (P) LTD.