Question

which muscle help to open the mouth?​

Answer 1

Answer:

Anatomy of Muscle

The large masseter and temporalis are powerful elevators of the mandible (Figure 3), assisted by the pterygoid medialis. The pterygoid lateralis, assisted by the digastric (discussed in Section Muscles of the Neck), opens the mouth by depressing and protracting the mandible.

Answer 2

The classification of the muscles of mastication refers to four main muscles including the masseter, temporalis, medial pterygoid, and lateral pterygoid. The actions of the muscles of mastication open and close the mouth by influencing motion on the mandible