Second mesiobuccal canal (MB2): how to overcome the difficulties in treating it

Evaldo Almeida RODRIGUES, Marco Azevedo RIOS, Francisco MACEDO JUNIOR, Diogo Azevedo PASSINHO

When not treated, root canals may affect the predictability of endodontic treatments directly. The second mesiobuccal root canal (2MB) is the canal most often missed and left untreated during endodontic treatments. The probability of inflammatory disease in the periapical region in these cases is 4.5 to 6.5 times greater than in teeth that have all canals treated. Therefore, clinical dentists should know the anatomical complexities that may complicate root canal access and exploration. As 2MB detection and negotiation are a great challenge, they should also be familiar with the procedures that facilitate treatment. This study describes the main obstacles to the location and treatment of the 2MB canal and discusses how these obstacles may be overcome in routine endodontic practice

Keywords: Endodontics. Second mesiobuccal canal. Ultrasound in Endodontics.

How to cite: Rodrigues EA, Rios MA, Macedo Junior F, Passinho DA. Second mesiobuccal canal (MB2): how to overcome the difficulties in treating it. Dental Press Endod. 2020 May-Aug;10(2):10-9.

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