UNIT 14 - Oral cavity

What is the oral vestibule ?

space between the teeth and the cheeks or lips

What are the functions of oral cavity ?

• food intake/mastication

• housing of the teeth

• speech/taste perception

What bones are forming the hard palate ?

• palatine bone

• maxilla

Which foramens are in the hard palate ?

• incisive foramen (nasopalatine nerve)

• greater foramen

• lesser foramen

What is the main function of soft palate ?

Close the nasopharynx

What are walls of the mouth composed of ?

cheeks including buccinator muscles

What are the important artery branches of oral cavity ?

• Maxillary aretery

• Facial artery

• Lingual artery

What is the sensory innervation of oral cavity ?

• maxillary nerve (V2)

• mandibular nerve (V3)

What is the motor innervation of oral cavity ?

• trigeminal nerve (V)

• facial nerve (VII)

• hypoglossal (XII)

What is the particularity of POST root of the tongue ?

It is fixed, attached to hyoid and mandible bones

What is connecting the tongue to the floor of the mouth ?

lingual frenulum

Where are located sublingual folds ?

on each side of the frenulum

What are the sublingual folds ?

contain the opening of the excretory ducts of the sublingual glands

What if the inferior surface of the oral cavity made of ?

• lingual frenulum

• sublingual folds

• sublingual caruncles