INBDE (Integrated National Board Dental Examination) Practice Exam

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Which muscle attaches at the lingual frenum?

  1. Buccinator

  2. Superior constrictor

  3. Genioglossus

  4. Masseteric notch

The correct answer is: Genioglossus

The lingual frenum is a small fold of tissue located underneath the tongue and connects it to the floor of the mouth. The buccinator is a muscle in the cheek, the superior constrictor is located in the back of the throat, and the masseteric notch is a small indentation on the lower jaw. Therefore, the only option that makes sense is the genioglossus, as it is a tongue muscle that is located in the area of the lingual frenum.

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