Mandible

Question 1

What does the mandible form?

Answer 1

Lower jaw

Question 2

What is the largest and strongest bone of the face and the only moveable bone of the skull?

Answer 2

Mandible

Question 3

What are the articulations of the mandible?

Answer 3

Temporal bone
Mandibular teeth articulate with maxillary teeth

Question 4

Key parts of the mandible?

Answer 4

Body
Ramus
Coronoid process
Condyle process
Alveolar process

Question 5

What ascends vertically on each side of the mandible from posterior aspects of the body?

Answer 5

Ramus

Question 6

How many processes is the ramus topped by?

Answer 6

2
Condyle and coronoid

Question 7

What shape of bone is the body of the mandible?

Answer 7

U shaped

Question 8

What is the coronoid process?

Answer 8

Sits anterior to Condyle and forms insertion for temporalis muscle

Question 9

What are the 2 parts of the Condyle?

Answer 9

Head - fits into mandibular fossa of the temporal bone
Neck - body of bone that supports the Condyle

Question 10

What is the alveolar process in the mandible?

Answer 10

Consists of 2 plates of bone - facial and lingual; houses the teeth

Question 11

A ridge of bone that originates at the mental tubercle and sweeps upwards and backwards to become a sharp anterior border of the?

Answer 11

Ramus of the mandible

Question 12

External features of the mandible?

Answer 12

• Mental foreman
• Mental tubercles
• Mental protuberance
• External oblique ridge

Question 13

What external feature of the mandible transmits and carries the mental nerve and artery and where is it situated?

Answer 13

Mental foreman
Sits between lower 1st and 2nd premolar region

Question 14

What muscles originate from the genial tubercles in the mandible?

Answer 14

Genioglossus and geniohyoid

Question 15

Which 2 fossa in the mandible house the salivary glands?

Answer 15

Submandibular fossa
Sublingual fossa

Question 16

What ridge runs parallel to the lower molars and rises upwards and which muscle attaches here?

Answer 16

Mylohyoid ridge
Mylohyoid muscle (floor of anterior part of mouth)

Question 17

Where is the digastric fossae located and what muscle attachment does it form?

Answer 17

Either side of the midline on the lingual mandible body.
Digastric muscle (aids with mandible movement)

Question 18

What are the key internal features of the mandible?

Answer 18

• Digastric fossae
• Genial tubercles
• Mylohyoid ridge
• Submandibular and sublingual fossa
• Inferior dental foramen

Question 19

What are the key features of the inferior dental foramen?

Answer 19

• Slanted opening at midpoint of the ramus
• Small projection of bone (lingula)
• Passage for inferior dental nerve