INBDE (Integrated National Board Dental Examination) Practice Exam 2026 - Free Practice Questions and Study Guide

Question: 1 / 1180

Where does the Buccinator attach posteriorly?

Modiolus

Buccal shelf

External oblique ridge

Pterygomandibular raphe

The pterygomandibular raphe is a muscular sling that runs from the pterygoid hamulus of the sphenoid bone to the mandible, and serves as an attachment point for the buccinator muscle. Option A, the modiolus, is a point of convergence of muscles at the corner of the mouth and is not posterior to the buccinator. Option B, the buccal shelf, is a bony shelf located along the buccal surface of the mandible and does not attach to the buccinator muscle. Option C, the external oblique ridge, is a bony ridge on the outer surface of the mandible and is not a point of attachment for the buccinator muscle. Therefore, the correct answer is D.

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