The mastication is the first part of the digestive function and of great importance for stomatognathic and craniofacial development. This action is thanks to a group of muscles, known as muscles of mastication, which provide movements to the jaw.
The masticatory muscles insert into the mandible, and together with the TMJ they create opening, closing, protruding, retracting, and lateral movements. The muscles of mastication are: Temporalis, Masseter, and the pterygoid muscles (medial and lateral).
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We share a didactic 3D video that shows us the origin, insertion, action and importance of the chewing muscles.
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Source: Youtube / Ahmad Academy