Hinge movement is produce by the action of:
Correct Answer: Both.
Description: Hinge movement is a purely rotational movement of the joint which takes place around a horizontal axis till the patient opens his mouth to about 20-25 mm. This movement is produced by the action of the lateral pterygoid and suprahyoid muscles and is aided by gravity. The condyle begins to glide (translate) beyond 13° rotation.
Category:
Dental
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