Mandible

Question 1

Which bone is the only movable bone of the skull?

Answer 1

The Mandible

also the strongest and largest of the facial bones

Question 2

The Mandible is comprised of:

Answer 2

Alveolar Process
-house the mandibular teeth
Body: Heavy, horizontal portion
Ramus: Vertical portion

Question 3

The Mandible is also know as what?

hint: use laymen’s term

Answer 3

the Lower Jaw

Question 4

What is on the Body of the Mandible: External Surface

Answer 4

1. Mental Protuberance
   -Chin
2. Mental Foramen
   -Separates alveolar process and body
3. External Oblique Ridge
   -
4. Angle of the Mandible
   -body and ramus junction

Question 5

What is on the Body of the Mandible: Internal Surface (the side where the tongue is)

Answer 5

5. Lingual Foramen
   
   • below the incisors
6. Genial Tubercules
   
   • projections that go around the Lingual Foramen
7. Digastric Fossa
   
   • inferior or below the Genial Tubercules
8. Mylohyoid Line/Ridge
   
   • attachment for mylohyoid and creates 2 fossae
9. Mandibular Foramen
   
   • an opening

Question 6

Cont’d Internal Surface of the Body of the Mandible….

Answer 6

Sublingual Fossa
-hold our sublingual gland (around the anterior teeth) ant.& supr. to the hyoid line
Submandibular Fossa
-house the submandibular gland (around the molar teeth) post.& infer. to the hyoid line
Retromolar Triangle/Pad
-Bony landmark (post. to the distal of molar)
Lingula
-bony projection on the foramen

Question 7

The Mylohyoid Ridge is between….

Answer 7

the Sublingual Fossa and Submandibular Fossa