A difficult MB2

This case had a difficult MB2 canal. Locating the orifice was quite challenging and was located very mesially, encroaching on the mesial marginal ridge.

Initial access cavity shape photo sent by referring dentist. Provides sufficient access to MB1, D and P canals.

Initial access cavity shape photo sent by referring dentist. Provides sufficient access to MB1, D and P canals.

Access cavity shape after instrumentation and obturation. Note the very mesial position of MB2 canal underneath the mesial margin ridge

Palatal canal

Pre-operative radiograph of #26.

Trial GP radiograph showing seperate MB1 and MB2 canals joining in apical 1/3.

Post-operative radiograph