509. A 2-day-old developing plaque consists primarily of

A. Treponema species.
B. Bacteroides species.
C. filamentous organisms.
D. gram-positive cocci and rods.
E. a structureless, non-mineralized pellicle.

508. A major sensory innervation of the temporomandibular joint is derived from the

1. great auricular nerve.
2. auriculotemporal nerve.
3. inferior alveolar nerve.
4. temporal branches of the facial nerve.

507. A fracture of the hamulus affects the action of which of the following muscles?

A. Superior constrictor of the pharynx
B. Levator veli palatini
C. Tensor veli palatini
D. Salpingopharyngeus
E. Buccinator