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Dental Anatomy > Functions and terms > Flashcards

Functions and terms Flashcards

1
Q

Secondary dentin

A

forms when the tooth erupts. Can fill the pulp chamber.

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2
Q

cementum

A

covers the roots. attaches the tooth to the alveolar bone. formed from cementoblast

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3
Q

The pulp provides:

A

nourishment, sense, reparative system

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4
Q

The pulp is composed of:

A

blood vessels, lymph vessels, connective tissue, odontoblast

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5
Q

Periodontal ligament function

A

collagen fibers that attach cementum to alveolar bone

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6
Q

What components make up the periodontal fibers?

A

vascular tissue, neural bone, fibroblast, cemental cells

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7
Q

what is the function of Gingival and periodontal fibers

A

support for the teeth formed by fibroblasts attach PDL to cementum connect gingiva to the tooth

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8
Q

What is the function of incisors?

A

to cut and to guide food into mouth

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9
Q

What is the biting edge of the anterior called?

A

the incisal edge

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10
Q

What is the function of the canines

A

keeps jaw in alignment and holding/grasping teeth

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11
Q

what is the longest tooth in the dentition?

A

canine

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12
Q

What tooth is a cross between canines and molars?

A

premolars

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13
Q

what is the function of molars/premolars

A

grind food

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14
Q

How many surfaces does the anterior teeth have

A

4

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15
Q

How many surfaces does the posterior teeth have

A

5

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16
Q

What are line angles?

A

they form the junction of 2 surfaces

17
Q

What are proximal surfaces?

A

mesial & distal

18
Q

What is the definition of a lobe

A

Formed by major developing centers that begin the calcification of teeth.

19
Q

What are mamelons

A

scallops formed from the facial developmental lobes

20
Q

Where are mamelons located?

A

incisal edges of newly erupted incisors

21
Q

True or False; mamelons wear off after tooth comes into contact with opposite tooth

A

true

22
Q

Developmental grooves or fissures

A

separate primary parts of the crown

23
Q

Tubercle

A

small elevation on some portion of the crown

24
Q

fossa

A

depression

25
Q

large elevation on lingual anteriors

A

cingulum

26
Q

small depression where dental decay begin

A

pit

27
Q

What teeth do cusps appear at?

A

molar, premolar, canines

28
Q

elevated portion of tooth. runs in a line

A

ridge

29
Q

What are imbrication lines?

A

horizontal ridges on the enamel of newly erupted permanent teeth

30
Q

How are imbrication lines formed?

A

Formed from overlapping layers of enamel laid down during tooth formation

31
Q

How do imbrication lines wear off?

A

chewing and brushing

32
Q

Where are imbrication lines on the tooth?

A

near the CEJ

33
Q

Usually on maxiallary centrals

A

tubercle

Dental Anatomy (2 decks)

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