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Clinical strategies for successful palato-mesiobuccal canal management-Report of 2 cases.

Dmitry KudryashovMarco Aurélio Versiani
Published in: International endodontic journal (2024)
In fused roots of maxillary second molars, a PMB canal might be expected. Exploration of the buccal wall of the palatal canal under magnification after shaping procedures can reveal the PMB canal orifice in fused roots. Small tapers are suggested for the enlargement of the PMB canal. Continuous bleeding spots in the palatal canal might indicate a possible PMB canal orifice in vital cases. The use of an apex locator is suggested for the differential diagnosis of the PMB canal orifice from a perforation site.
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