Question

1. which of the following muscles is not involved in mastication?

a. lateral pterygoid
b. temporalis
c. mentalis
d. deep masseter

Explanation:

• Lateral pterygoid: It is involved in jaw movement during mastication.
• Temporalis: Helps in elevating the mandible for mastication.
• Mentalis: Its main function is related to lip - related movements (like protruding the lower lip) rather than mastication.
• Deep masseter: A key muscle for elevating the mandible during chewing (mastication).

Answer:

C. Mentalis