Tooth Identification

Question 1

curvature of the cementoenamel junction (CEJ) is about 1 mm __ on the distal surface of the tooth than on the mesial

Answer 1

less

Question 2

if the tooth curve, they usually curve _____, especially at the apex of the root

Answer 2

distally

Question 3

the distal incisal edges of anterior teeth are more ___ than the mesial incisal edges

Answer 3

rounded

Question 4

curvature of the cementoenamel junction (CEJ) is about 1 mm __ on the mesial surface of the tooth than on the distal

Answer 4

more

Question 5

mandibular anterior teeth tend to wear on the _____ edges

Answer 5

labial incisal

Question 6

maxillary teeth wear on the ____ edges

Answer 6

lingual incisal

Question 7

permanent molars are generally ____ in height and have ____ cusps the more posterior they are positioned

Answer 7

smaller; fewer

Question 8

permanent molars tend to have more ____ the more posterior they are positioned

Answer 8

secondary and tertiary anatomy

Question 9

roots of molars tend to be ____ and ____ the more posterior the molars are positioned, and the roots are often ____

Answer 9

shorter; closer together; fused into one

Question 10

the more ____ the molars are positioned, the more ____ is evident

Answer 10

posterior; variation of anatomy

Question 11

maxillary incisors
-____ crowns
-____ on labial
-____ on lingual

Answer 11

-wider
-convex
-concave

Question 12

maxillary central incisors
-____ angle sharp

Answer 12

-mesioincisal (90 degrees)

Question 13

maxillary lateral incisors
-____ than central

Answer 13

-smaller

Question 14

mandibular incisors
- ___ than maxillary central or lateral incisor

Answer 14

-smaller

Question 15

mandibular central incisors
-most ___ tooth to distinguish from ___

Answer 15

-difficult; left to right

Question 16

mandibular lateral incisors
-___ than mandibular central

Answer 16

-larger

Question 17

maxillary canine
-lingual surface is ___
-___directly over root

Answer 17

-well developed marginal ridges, cingulum, and fossa
-cusp tip

Question 18

mandibular canine
-lingual surface is ___

Answer 18

-smooth with poorly developed ridges, cingulum, and fossa

Question 19

maxillary first premolars
-have ___ roots
-buccal cusp is slightly ___ than lingual cusp

Answer 19

-two
-longer

Question 20

which premolars is the only one to have two roots?

Answer 20

maxillary first premolars

Question 21

maxillary second premolars
-___ root
-buccal and lingual cusps are ___

Answer 21

-one
-nearly same height

Question 22

mandibular first premolars
-buccal cusp is ____ than lingual cusp

Answer 22

-higher

Question 23

to determine where to position teeth in persons mouth check

Answer 23

buccal side is more rounded and lingual side more flat for the tongue

Question 24

mandibular second premolars
-has ____
-___ outline

Answer 24

-central pit
-pentagonal

Question 25

maxillary first molars - ___ roots - often have ___ cusps - the fifth cusp is called ___

Answer 25

- three - five -cusp of carabelli

Question 26

molar roots become more ____ the more posterior they are

Answer 26

close together

Question 27

maxillary second molars - __ cusps

Answer 27

- four

Question 28

maxillary third molars -roots are ____ or ____ -____ anatomy

Answer 28

-fused or very close together -more

Question 29

mandibular first molar -___ cusps -___ cusp of carabelli

Answer 29

-five -no

Question 30

mandibular second molars -well-defined ___ groove so it forms a ___

Answer 30

-occlusal; +

Question 31

mandibular third molars -___ anatomy -___ roots

Answer 31

-more -short

Question 32

differentiate mandibular central incisor from lateral incisor

Answer 32

lateral is more fan shaped -central has mesial 90 degree angle

Question 33

upper canine are ____ than lower

Answer 33

-wider

Question 34

to tell mesial of the canine is the ___ surface

Answer 34

-shorter

Question 35

upper premolars -cusps sizes are ___

Answer 35

-similar between buccal and lingual

Question 36

to differentiate first premolar to second look for ___

Answer 36

-canine fossa which is side indentation for the canine to fit next to it

Question 37

lower first premolar has -__ buccal cusp than lingual

Answer 37

-larger

Question 38

lower second premolar -looks like it has __ cusps

Answer 38

-3

Question 39

to differentiate upper molars look for ____

Answer 39

-distal lingual cusps

Question 40

mandibular first molar -only one with ___ cusps -___ cusps at buccal side

Answer 40

- five -3 cusps at buccal side