Dental Anatomy Flashcards Preview

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Flashcards in Dental Anatomy Deck (19)
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1
Q

What is the skull made up of?

A

25% water, 30 % organic material, 45% inorganic material.

2
Q

Name the 4 sutures of the skull

A

Coronal suture, sagittal suture, sqaumous suture, lamboid suture

3
Q

How many separate bones is the skull made up of?

A

22

4
Q

How many parts does the skulls consist of and what are they?

A

2 - cranium, facial skeleton

5
Q

The cranium is made up of 8 bones, what are they?

A
Frontal
2 X parietal
Occipital
2 X temporal
Sphenoid
Ethmoid
6
Q

What are the holes in the skull called?

A

Foramen - they permit passage of veins, arteries and nerves

7
Q

What nerve supplies the facial muscles?

A

7th cranial nerve

8
Q

The circular muscle surrounding the mouth is called?

A

Obicularis Oris

9
Q

The vertical groove at the midline on the outside of the upper lip is called?

A

Philtrum

10
Q

The main muscle in th cheek is called?

A

The buccinator muscle

11
Q

The ring of muscle around the eye is called?

A

Obicularis oculi

12
Q

The four muscles of mastication are?

A

Temporalis
Masseter
Lateral pterygoid
Medial pterygoid

13
Q

Every tooth consists of?

A

Crown
1 or more roots
Neck
Apex

14
Q

A tooth is composed of?

A

Enamel
Dentine
Cementum
Pulp

15
Q

Enamel is made up of?

A

96% inorganic, 4%organic material

16
Q

The pulp consists of?

A

Cells
Nerves
Blood vessels

17
Q

The jaw bone consists of?

A
Compact bone (dense outer layer)
Spongy bone (softer interior bone)
Lamina dura
18
Q

Dentine is made up of?

A

20-25% organic material

75-80% inorganic material

19
Q

Enamel and dentine meet at the cervicum margin which is known as?

A

Amelo-cementum junction