Dental Anatomy Flashcards Preview

Dentistry > Dental Anatomy > Flashcards

Flashcards in Dental Anatomy Deck (33)
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1
Q

Define the Crown

A

the portion of the tooth you can see

2
Q

Define the Root of the tooth

A

the portion in the bone

3
Q

Define Enamel

A

Hard, outer coating that covers the crown. It is impermeable and durable.

4
Q

What is the cementum?

A

The outer portion of the root, it is permeable.

5
Q

What is the Dentin?

A

The layer under the enamel and under the cementum. It will stain if the enamel has been broken down.

6
Q

What is the Pulp?

A

Inside layer of the tooth, contaisn nerves and blood vessels. It is the “live” part of the tooth

7
Q

What is the Apical Delta?

A

The nerve endings and blood vessels that branch out from the root

8
Q

What is the bone that holds the tooth in?

A

Alveolar bone

9
Q

What is attached gingiva?

A

Where gingiva attaches to cementum on tooth

10
Q

What is free gingiva?

A

Extends above the attached gingiva

11
Q

What is the Sulcus?

A

SPace between the free gingiva and tooth

12
Q

What is the mucoid?

A

Harder gingiva as you go up higher

13
Q

What is the Cemento-enamel junction?

A

Where enamel meets cementum

14
Q

What is the periodontal ligament?

A

Holds the tooth in the alveolus (socket) by attaching tooth to alveolar bone

15
Q

What is the mesial portion?

A

The surface closest to the midline

16
Q

What is the distal portion?

A

Furthest from midline, toward outside of mouth

17
Q

The portion of the tooth facing the lips is called the _______

A

Labial - primarily for incisors.

18
Q

The portion of the tooth facing the cheeks is the ______

A

Buccal

19
Q

The Palatal surface of a tooth is facing _____

A

Up toward the hard palate on the upper jaw

20
Q

The Lingual surface of a tooth is facing _____

A

the tongue, on the lower jaw

21
Q

The Occlusal surface of a tooth is:

A

The surface that touches the other teeth when biting

22
Q

What is the permanent canine dental formula?

A

I3/3 C1/1 P 4/4 M 2/3

23
Q

How many permanent teeth to dogs have?

A

42

24
Q

How many deciduous teeth do dogs have?

A

28

25
Q

3 Rooted teeth are only found on the _______ (maxilla or mandible)

A

maxilla

26
Q

What is the adult feline dental formulae?

A

I3/3 C1/1 P3/2 M 1/1

27
Q

How many teeth does an adult cat have?

A

30

28
Q

How many deciduous teeth do cats have?

A

26

29
Q

What is the name of the system used for naming/numbering teeth?

A

Modified Triadan

30
Q

Cats are missing teeth numbers:

A

105, 205, 305, 306, 405 and 406

31
Q

What is the TMJ?

A

Hinge joint of the jaw, the temporomandibular joint

32
Q

What are 3 benefits of Salivary glands?

A

Dilute bacteria, buffers neutralize acids in mouth, and rinse debris

33
Q

Define xerostomia

A

Decreased salivary flow