Journal of Dental Sciences
Volume 4, Issue 4 , Pages 198-201, December 2009

Maxillary first molar with six canals

  • Ya-Yun Lee

      Affiliations

    • School of Dentistry, National Yang-Ming University, Taipei, Taiwan
    • ,
  • Pei-Ying Yeh

      Affiliations

    • Department of Dentistry, Taipei City Hospital, Taipei, Taiwan
    • ,
  • Sheng-Fang Pai

      Affiliations

    • National Yang-Ming University, Clinical and Educational Center of Dentistry, Taipei, Taiwan
    • ,
  • Shue-Fen Yang

      Affiliations

    • National Yang-Ming University, Clinical and Educational Center of Dentistry, Taipei, Taiwan
    • Department of Stomatology, Division of Endodontics and Periodontology, Taipei Veterans General Hospital, Taipei, Taiwan
    • Corresponding Author InformationCorresponding author. Department of Stomatology, Division of Endodontics and Periodontology, Taipei Veterans General Hospital, 201, Shih-Pai Road, Section 2, Taipei 11217, Taiwan

Received 3 August 2009; accepted 24 October 2009.

Article Outline

In this case report, we present a maxillary first molar with six canals. A 40-year-old male patient was referred for non-surgical root canal therapy of tooth 16. Under magnification of a surgical operating microscope, a unique morphology with double canal systems in each root was identified. The morphology was characterized by a single palatal root with two canals joining in the apical third, two mesiobuccal canals, and two distobuccal canals with one orifice and two separate foramina.

Key words:  maxillary molar , morphologic variations , root canal therapy

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References 

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PII: S1991-7902(09)60027-1

doi:10.1016/S1991-7902(09)60027-1

Journal of Dental Sciences
Volume 4, Issue 4 , Pages 198-201, December 2009

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