Oral pharyngeal anatomy

Label A

Alveolar process

Label B

Palatine Process of Maxilla

Label C

Horizontal Process of Palatine Bone

The maxilla is made up of processes called…

Alveolar process, palatine process of maxilla, and the horizontal process of palatine bone

The maxilla forms the roof of the _____ cavity and the floor of the _____ cavities

Oral, nasal

Label A

Condylar Process

Label B

Coronoid Process

Label C

Mental protuberance

Label D

Angle

Label E

Ramus

What is the only special thing about the mandible within the craniofacial skeleton?

It’s the only moveable bone in the craniofacial skeleton

These muscles elevate mandible

Masseter, temporalis, and medial pterygoid

These muscles depress the mandible

Lateral pterygoid, anterior belly of digastric, geniohyoid, and mylohyoid

The masseter and temporalis function is the same : ____ the mandible (closes mouth)

Elevates

The medial pterygoid function is to also elevate mandible (closes mouth) and ____ mandible

Protrude (stick out)

The lateral pterygoid moves the mandible _____

Laterally

Anterior belly of the digastric, geniohyoid, and mylohyoid moves hyoid and larynx ____ and _____

Upward and forward

Superior and inferior longitudinal muscles of tongue _____ it

Shorten

Transverse muscle of tongue ____ and ______ tongue

Narrows and elongates

The vertical muscle of the tongue _______ the tongue

Flatten/broaden

The palatoglossus depresses the ________ and _____ posterior part of the tongue

Soft palate; elevates

The styloglossus _____ the tongue

Retracts

Depresses tongue and retracts tongue

Hyoglossus

Protrudes tongue and depresses tongue

Genioglossus

The Orbicularis oris is _____ of the lips

Puckering

Buccinator muscle of the lips

Checks in teeth, press cheek against teeth, pulls lips laterally

Legatos labii superioris

Unilateral lip lift, elevates upper lip, raises angle of mouth

Lavator labii superioris alaeque nasi

Elevates upper lip, dilates nostril

Zygomaticus major and minor

Smiling w or w/o teeth elevates upper lip

Depressor labii inferiores muscle

Pull lip downward and laterally (frowning)

Mentalis

Pouting/ Depresses lower lip

Depressor and Levator anguli oris

Lip compression