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Quintessence Publishing: Journals: ENDO

 

ENDO - Endodontic Practice Today

Edited by Antionio Bonaccorso, Bun San Chong, Edgar Schafer, and Luc van der Sluis

Official Publication of the Belgian Association for Endodontology and Traumatology (BAET), the French Society of Endodontics (SFE) and the Norwegian Endodontic Society (NEF)

ISSN (print) 1753-2809 • ISSN (online) 1753-2817

Publication:

Spring 2009
Volume 3 , Issue 1



Pages: 43-48
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Conventional endodontic retreatment of a maxillary first molar with three separate canals and four separate points of exit in the mesiobuccal root

Stöckl, Günther

Aim: To describe unusual variations in the root morphology and root canal systems of a first maxillary molar retreated for pain and prosthetic reasons. Summary: Normally maxillary first molar teeth have three single roots and almost always have four canals. A 46-year-old patient presented for non-surgical retreatment prior to undergoing prosthetics. The maxillary first molar exhibited three distinct root canals in the mesiobuccal root canal system. The incidence of three canals in the mesiobuccal root canal is very rare. However, this anatomical deviation may present an unfavourable outcome if clinicians fail to recognise the difficulties. Conclusions: Root morphology may present a challenge for clinicians during root canal treatment. Thorough clinical and radiographic interpretation is important in recognising anomalous root and root canal systems. Finally, successful root canal treatment requires an accurate diagnosis of the root canal system using available aids. Keywords: first molar, retreatment, unusual anatomy

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