Journal of Endodontics
Volume 14, Issue 5 , Pages 258-260 , 1988

Maxillary first molar with six canals

  • John L. Bond, DDS

      Affiliations

    • Dr. Hartwell is director of the endodontic residency, and Dr. Portell is assistant director of the endodontic residency at the U.S. Army Dentac, Ft. Gordon, GA. Dr. Bond is chief of Endodontics at the U.S. Army Dental Activity, Ft. Meade, MD
    • ,
  • Gary Hartwell, DDS, MS, FICD, FACD

      Affiliations

    • Dr. Hartwell is director of the endodontic residency, and Dr. Portell is assistant director of the endodontic residency at the U.S. Army Dentac, Ft. Gordon, GA. Dr. Bond is chief of Endodontics at the U.S. Army Dental Activity, Ft. Meade, MD
    • Corresponding Author InformationAddress requests for reprints to Col. Gary Hartwell, U.S. Army Dental Activity, Ft. Gordon, GA 30905.
    • ,
  • Frank R. Portell, DMD, MS, FAGD

      Affiliations

    • Dr. Hartwell is director of the endodontic residency, and Dr. Portell is assistant director of the endodontic residency at the U.S. Army Dentac, Ft. Gordon, GA. Dr. Bond is chief of Endodontics at the U.S. Army Dental Activity, Ft. Meade, MD

References 

  1. Hess W. Anatomy of the root canals of the teeth of the permanent dentition. In: London: John Bale, Sons, and Danielsion, Ltd.; 1925;p. 32–35
  2. Gary R. The maxillary first molar. In: Bjorndal A, Skidmore E editor. Anatomy and morphology of the human teeth. Iowa City: University of Iowa College of Dentistry; 1983;p. 31–40
  3. Acosta Vigouroux SA, Trugeda Bosaans SA. Anatomy of the pulp chamber floor of the permanent maxillary first molars. J Endodon. 1978;4:214–219
  4. Hartwell G, Bellizi R. Clinical investigation of in vivo endodontically treated mandibular and maxillary molars. J Endodon. 1982;8:555–557
  5. Vande Voorde HE, Odendahl D, Davis J. Molar fourth canals; frequent cause of endodontic failure?. Ill Dent J. 1975;44:779–786
  6. Okumura T. Anatomy of root canals. J Am Dent Assoc. 1927;14:632
  7. Pineda F, Kuttler Y. Mesiobuccal and buccolingual roentgenographic investigation of 7,275 root canals. Oral Surg. 1972;33:101–110
  8. Green D. Double canals in single roots. Oral Surg. 1973;35:689–696
  9. Lane AJ. The course and incidence of multiple canals in the mesiobuccal root of the maxillary first molar. J Br Endodon Soc. 1974;7:9–11
  10. Pineda F. Roentgenographic investigation of the mesiobuccal root of the maxillary first molar. Oral Surg. 1973;36:253–260
  11. Pomeranz HH, Fishelberg G. The second mesiobuccal canal of maxillary molars. J Am Dent Assoc. 1974;88:119–124
  12. Seidberg BH, Altman M, Guttuso J, Suson M. Frequency of two mesiobuccal root canals in maxillary permanent first molars. J Am Dent Assoc. 1973;87:852–856
  13. Vertucci F. The endodontic significance of the mesiobuccal root of the maxillary first molar. US Navy Med. 1974;63:29–31
  14. Weine FS, Healy HJ, Gerstein H, Evanson L. Canal configuration in the mesiobuccal root of the maxillary first molar and its endodontic significance. Oral Surg. 1969;28:419–425
  15. Nosonowitz DM, Brenner MR. The major canals of the mesiobuccal root of the maxillary first and second molars. NY J Dent. 1973;43:12–15
  16. Slowley RR. Radiographic aids in the detection of extra root canals. Oral Surg. 1974;37:762–771
  17. Diamond M. Dental anatomy, including anatomy of the head and neck. In: 3rd ed. New York: Macmillan Co.; 1952;p. 205
  18. Grossman K. Endodontics involving an unusual case of fusion. J Endodon. 1981;7:40–41
  19. Stabholtz A, Friedman S. Endodontic therapy of an unusual maxillary permanent first molar. J Endodon. 1983;9:293–295
  20. Barker BCW, Parsons KC, Mills PR, Williams GL. Anatomy of root canals. II. Permanent maxillary molars. Aust Dent J. 1974;19:46–50
  21. Hession RW. Endodontic morphology. II. A radiographic analysis. Oral Surg. 1977;44:610–620
  22. Slowley RR. Root canal anatomy-road map to successful endodontics. Dent Clin North Am. 1979;23:561
  23. Thews ME, Kemp WB, Jones CR. Aberrations in palatal root and root canal morphology of two maxillary first molars. J Endodon. 1979;5:94–96
  24. Harris W. Unusual root canal anatomy in a maxillary molar. J Endodon. 1980;6:573–575
  25. Stone LH, Stoner WF. Maxillary molars demonstrating more than one palatal root canal. Oral Surg. 1981;51:649–652
  26. Cecic P, Hartwell G, Bellizzi R. The multiple root canal system in the maxillary first molar: a case report. J Endodon. 1982;8:113–115
  27. Beatty RG. A five-canal maxillary first molar. J Endodon. 1984;10:156–157
  28. Martinez-Berna A, Ruiz-Badanelli P. Maxillary first molars with six canals. J Endodon. 1983;9:375–381

* The opinions or assertions contained herein are the private ones of the authors and are not to be construed as official or as reflecting the views of the U.S. Army.

PII: S0099-2399(88)80180-8

doi: 10.1016/S0099-2399(88)80180-8

Journal of Endodontics
Volume 14, Issue 5 , Pages 258-260 , 1988

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