On the medial pterygoid muscle, the deep head originates in the pterygoid fossa of the sphenoid bone(on the lateral pterygoid plate).

Which of the following muscles is used when a patient grimaces?

Which of the following muscles compresses the cheeks during chewing, assisting the muscles of mastication?

Which of the following best describes the mucogingival junction?

Which portion of the mandible fits into the articular fossa of the temporal bone?

The palatine processes of the maxillary bones form the:

The differences in alveolar process density determine the easiest and MOST convenient areas of bony fracture used during tooth extraction, if needed. Thus the maxillary teeth are easier to remove by fracturing the thinner facial surface rather than the thicker lingual surface.

The vertical perpendicular plate  of the ethmoid bone forms:

TMJ popping or clicking occurs when the joint disc gets caught between the condyle head and the articular eminence

The osseus (bony) structures of the TMJ include all except the: