Functions and terms

Question 1

Secondary dentin

Answer 1

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

Question 2

cementum

Answer 2

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

Question 3

The pulp provides:

Answer 3

nourishment, sense, reparative system

Question 4

The pulp is composed of:

Answer 4

blood vessels, lymph vessels, connective tissue, odontoblast

Question 5

Periodontal ligament function

Answer 5

collagen fibers that attach cementum to alveolar bone

Question 6

What components make up the periodontal fibers?

Answer 6

vascular tissue, neural bone, fibroblast, cemental cells

Question 7

what is the function of Gingival and periodontal fibers

Answer 7

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

Question 8

What is the function of incisors?

Answer 8

to cut and to guide food into mouth

Question 9

What is the biting edge of the anterior called?

Answer 9

the incisal edge

Question 10

What is the function of the canines

Answer 10

keeps jaw in alignment and holding/grasping teeth

Question 11

what is the longest tooth in the dentition?

Answer 11

canine

Question 12

What tooth is a cross between canines and molars?

Answer 12

premolars

Question 13

what is the function of molars/premolars

Answer 13

grind food

Question 14

How many surfaces does the anterior teeth have

Answer 14

4

Question 15

How many surfaces does the posterior teeth have

Answer 15

5

Question 16

What are line angles?

Answer 16

they form the junction of 2 surfaces

Question 17

What are proximal surfaces?

Answer 17

mesial & distal

Question 18

What is the definition of a lobe

Answer 18

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

Question 19

What are mamelons

Answer 19

scallops formed from the facial developmental lobes

Question 20

Where are mamelons located?

Answer 20

incisal edges of newly erupted incisors

Question 21

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

Answer 21

true

Question 22

Developmental grooves or fissures

Answer 22

separate primary parts of the crown

Question 23

Tubercle

Answer 23

small elevation on some portion of the crown

Question 24

fossa

Answer 24

depression

Question 25

large elevation on lingual anteriors

Answer 25

cingulum

Question 26

small depression where dental decay begin

Answer 26

pit

Question 27

What teeth do cusps appear at?

Answer 27

molar, premolar, canines

Question 28

elevated portion of tooth. runs in a line

Answer 28

ridge

Question 29

What are imbrication lines?

Answer 29

horizontal ridges on the enamel of newly erupted permanent teeth

Question 30

How are imbrication lines formed?

Answer 30

Formed from overlapping layers of enamel laid down during tooth formation

Question 31

How do imbrication lines wear off?

Answer 31

chewing and brushing

Question 32

Where are imbrication lines on the tooth?

Answer 32

near the CEJ

Question 33

Usually on maxiallary centrals

Answer 33

tubercle