Tooth Numbering

Question 1

Order the enamel, dentin and cementum in terms of strength

Answer 1

Enamel, dentin, cementum

Question 2

Where is cervical line curvature greatest and where least?

Answer 2

greatest on mesial of central incisors and least on third molar

Question 3

Where is the height of contours found?

Answer 3

Anterior teeth F/L: cervical
Posterior teeth F: cervical L: middle

Question 4

Incisor crown outlines are more convex on _____ than ____ except on which tooth?

Answer 4

distal, mesial,
mand central which are symmetrical

Question 5

On incisors the which incisor angle is sharper?

Answer 5

mesial, distal more round

Question 6

What is special about the dimensions of mand central incisors

Answer 6

narrowest MD, smallest crown size

Question 7

What are the contact points for max anterior teeth?

Answer 7

CI: M: incisal D: J of I/M
LI: M: J of I/M D: Middle
canine: LI: M: J of I/M D: Middle

Question 8

What are the contact points for mand anterior teeth?

Answer 8

CI: M: incisal D: incisal
LI: M: incisal D: incisal
canine: LI: incisal D: I/M

Question 9

Facial embrasures are narrower than lingual embrasures on all teeth except?

Answer 9

max 1 molar
mand central incisor

Question 10

Which teeth have a buccal cusp longer than the distal cusp ridge?

Answer 10

max 1 pm

Question 11

What are the only teeth with a labial ridge?

Answer 11

canines (in posterior teeth this is called a buccal ridge)

Question 12

the max first pm has what special features?

Answer 12

MMR groove
mesial root concavity
2 spindly roots

Question 13

All pre molars have a ____ width greater than ___ width

Answer 13

BL, MD

Question 14

Rank the size of the cusps for mandibular molars

Answer 14

B>ML>DL

Question 14

Which tooth breaks the contact rules for m/d contact placement?

Answer 14

mand 1 pm, mesial contact is more cervical

Question 15

What is the first adult tooth to show sign of calcification??

Answer 15

permanent 1 molar

Question 16

Which direction do most molars taper (B-L or L-B)and which doesn’t follow that?

Answer 16

tapper from buccal to lingual exept for max 1 which tapper lingual to buccal (BECAUSE max 1 has the largest DL of molars)

Question 17

mand molars are wider ___ width than ____ width

Answer 17

MD, BL

Question 18

max molars are wider ___ width than ____ width

Answer 18

BL, MD

Question 19

molars taper in which direction, M-D or D-M and which doesn’t follow that?

Answer 19

M-D
exept fot mand 1 which is widest in middle third

Question 20

Rank the cusp size of MAX molars from greatest to least

Answer 20

ML, MB, DB, DL

Question 21

Rank the size of the max molar root from big to small

Answer 21

P, MB, DB

Question 21

which molars has the greatest root to crown ratio?

Answer 21

mand molars (longest roots)

Question 22

Rank the cusp size of MAND molars from greatest to least

Answer 22

ML, DL, MB, DB (distal if has)

Question 23

What makes up the oblique ridge of the max molar?

Answer 23

DCR of ML cusp
triangular ridge of DB cusp

Question 24

MAndibular molars are wider on which half?

Answer 24

buccal

Question 25

which grooves are found on mand 1?

Answer 25

central groove, mb groove, db groove