exam 1 chapter 1

Question 1

dentitions provide 5 basic functions: what are they

Answer 1

prehension
protection
esthetics
speech/communication
mastication

Question 2

with universal system permanent dentition, what is maxillary canines

Answer 2

6 and 11

Question 3

with universal system permanent dentition, what is mandibular canines

Answer 3

22 and 27

Question 4

start and end at for dentition

Answer 4

start at maxillary right molar; end at mandibular right molar

Question 5

maxillary central incisors permanent universal dentition

Answer 5

8 and 9

Question 6

mandibular central incisors permanent universal dentition

Answer 6

24 and 25

Question 7

universal primary dentition, start and end with

Answer 7

start with max right 2nd molar; end with mandibular right 2nd molar; only 2 molars and no premolars

Question 8

maxillary central incisors for primary dentition

Answer 8

e and f

Question 9

mandibular central incisors for primary dentition

Answer 9

p and o

Question 10

maxillary canines for primary dentition

Answer 10

c and h

Question 11

mandibular canines for primary dentition

Answer 11

m and r

Question 12

palmar notation permanent dentition numbering

Answer 12

1-8 beginning with central incisors in each quadrant

Question 13

palmar notation primary dentition numbering

Answer 13

a-e beginning with central incisors in each quadrant

Question 14

palmar notation canines

Answer 14

3

Question 15

palmar notation maxillary

Answer 15

number above the line

Question 16

palmar notation mandibular

Answer 16

number below the line

Question 17

forms outer surface of anatomical crown; most densely mineralized tissue in body; smooth and self-cleaning

Answer 17

enamel

Question 18

bonelike substance that covers the root; provides medium for attachment of tooth to bone; yellow; thinnest at cervical line, thickest at apex; not as hard as enamel, similar to bone

Answer 18

cementum

Question 19

where roots separate

Answer 19

furcation

Question 20

forms body of tooth; less hard than enamel but harder than cementum and bone; can take forces and pressure; has some give to it

Answer 20

dentin

Question 21

type of dentin– before completion of apical foramen(embryo)

Answer 21

primary dentin

Question 22

type of dentin– after apical foramen complete(root of tooth) throughout life

Answer 22

secondary dentin

Question 23

type of dentin– stimulated to produce when trauma or injury of tooth

Answer 23

reparative dentin; tertiary dentin

Question 24

housed in the center of tooth, surrounded by dentin; nourishment, sensory, formative, denfensive

Answer 24

pulp

Question 25

has blood vessels, lymph vessels, connective tissue, nervous tissue, odontoblasts

Answer 25

pulp composition

Question 26

part of tooth visible in mouth, sticking out of gingiva; all of it up to gingiva

Answer 26

clinical crown

Question 27

the part of tooth you cannot see because it is under gingiva

Answer 27

clinical root

Question 28

cementoenamel junction also called

Answer 28

cervical line

Question 29

how many surfaces does a tooth have

Answer 29

anterior- 5 and posterior-5

Question 30

what are the surfaces closest to the tongue

Answer 30

lingual

Question 31

what are the surfaces that touch the cheeks and lips called

Answer 31

facial/buccal/labial

Question 32

the mesial surfaces or 8 and 9 touch each other true or falso

Answer 32

true

Question 33

what are occlusal surfaces used for

Answer 33

biting/chewing

Question 34

what is a proximal surface

Answer 34

next to each other( distal and mesial of tooth touch)

Question 35

formed by the junction of 2 surfaces(corner where facial and mesial of 8 meet) ex distolabial, mesiolingual

Answer 35

line angle

Question 36

junction of 3 crown surfaces(molar)

Answer 36

point angle

Question 37

each tooth has how many point angles

Answer 37

4

Question 38

what is the lingual lobe on anterior teeth called

Answer 38

cingulum

Question 39

anterior teeth form from how many lobes

Answer 39

4 lobes(three facial and one lingual)

Question 40

premolars form from how many lobes

Answer 40

3 facial lobes and one lobe per lingual cusp

Question 41

molars form from how many lobes

Answer 41

one lobe per major cusp

Question 42

lingual lobe of an anterior tooth and makes up the bulk of the cervical third of the lingual surface

Answer 42

cingulum

Question 43

rounded borders of that form the mesial and distal shoulders of the lingual surface of anterior teeth and the occlusal surface of posterior teeth

Answer 43

marginal ridge

Question 44

cervical ridge on anterior teeth

Answer 44

facial side

Question 45

cervical ridge on posterior teeth

Answer 45

buccal and lingual cervical ridges

Question 46

ridge of each cusp that runs from the tip of the cusp to the central part of the occlusal surface

Answer 46

triangular ridge- on all teeth!!

Question 47

the union of two triangular ridges; buccal and lingual ridges cross the occlussal surface of a posterior tooth (buccal to lingual)

Answer 47

transverse ridge; not every tooth has them

Question 48

the only tooth on which this ridge is found is on the maxillary molar

Answer 48

oblique ridge

Question 49

consists of an elevated prominence on the occlussal surface and extends obliquley from the tips of the mesiolingual cusp to the distobuccal cusp

Answer 49

oblique-- diagonally

Question 50

the distinctive height of curvature seen in the cervical third of the buccal surface of a posterior tooth; mufin top of tooth; close to CEJ; height of contore

Answer 50

cervical ridge

Question 51

the distictive height of curvature seen in the middle third of the facial surface of the crown on an anterior tooth. it runs cervicoincisally; cervical line to incisal edge(middle lobe; sticks out more)

Answer 51

labial ridge

Question 52

fissure between the cusps on the crown of the tooth; junction forms this

Answer 52

developmental groove; where lobes come together

Question 53

a minor, auxillary groove that branches off from a much more prominent developmental groove; they do not represent the junction of primary tooth parts and gives the occlusal surface a wrinkled appearance

Answer 53

supplemental groove

Question 54

a rounded or angular depression of varying size found of the surface of a tooth

Answer 54

fossa

Question 55

centrally located depression found on the occlusal surface of molars and mandibular second premolars. the other premolars have mesial and distal triangular fossa, but do not have this

Answer 55

central fossa

Question 56

irregular, shallow depression found on the lingual surface of an incisor or canine

Answer 56

lingual fossa

Question 57

located adjacent to the marginal ridges on the occlusal surfaces of posterior teeth. two types are the mesial and distal

Answer 57

triangular fossa

Question 58

a depression; carved out section/area

Answer 58

concavity

Question 59

an elevation; buldiing section/area

Answer 59

convexity