INBDE (Integrated National Board Dental Examination) Practice Exam

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The submandibular fascial space is between what?

  1. Mandible and buccinator

  2. Mylohyoid and skin

  3. Mylohyoid and platysma

  4. Platysma and skin

The correct answer is: Mylohyoid and platysma

The submandibular fascial space is located between the mylohyoid muscle and the platysma muscle. This space is important in understanding the spread of infections in the head and neck region. The mylohyoid muscle forms the floor of the mouth, while the platysma muscle is a superficial muscle located in the neck. Understanding the anatomy of these muscles and their spatial relationship helps in diagnosing and treating infections that may involve the submandibular fascial space. Option A is incorrect as the buccinator muscle is not directly related to the submandibular fascial space. Option B is incorrect because the mylohyoid muscle is one of the boundaries of the submandibular space, not the skin. Option D is incorrect as the platysma muscle is one of the boundaries of the submandibular fascial space, not the skin.

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