Primary Teeth

Front 1

what incisal feature is missing from primary incisors but is seen in unworn incisal edges of permanent incisors?

Back 1

mamelons

Front 2

for a maxillary central arrange M-D, F-L, and I-C dimensions from greatest to smallest

Back 2

MD>IC>FL

Front 3

which anterior tooth has a M-D crown width greater than I-C crown height?

Back 3

maxillary central*

Front 4

How does the maxillary central incisor compare to the permanent central incisor?

Back 4

- M and D outlines exhibit more convexity than permanent
- Cingulum more prominent
- Lingual ridge a possibility
- Lingual fossa deeper
- Marginal ridges more prominent
- root is longer relative to crown height

Front 5

in which anterior teeth are facial developmental depressions rare?

Back 5

all the anteriors

Front 6

for the anterior teeth which way is the root deflected?

Back 6

facially; mandibular lateral root is deflected facially and distally

Front 7

for maxillary anteriors, where is the incisal edge located in comparison to the mid-root axis?

Back 7

slightly facially

Front 8

for mandibular anteriors, where is the incisal edge located in comparison to the mid-root axis?

Back 8

in line w/ it

Front 9

for the anterior teeth, the lingual CE line is located more _______ than the facial

Back 9

apical

Front 10

maxillary lateral is similar to central except for what?

Back 10

- crown is narrower M-D than I-C
- has more incisal angle rounding
- more prominent marginal ridges (deeper fossa)
- I-C>M-D>F-L

Front 11

what is unique about the dimensions of the maxillary canine?

Back 11

the M-D, F-L, and I-C dimensions are all nearly the same*

Front 12

what is unique about the M and D heights of contour for the maxillary canine?

Back 12

they are at the same level*

Front 13

compare the relative lengths of the mesial and distal cusp ridges of the maxillary canine

Back 13

M cusp ridge longer than D cusp ridge* - cusp tip offset distally

Front 14

what lingual anatomy does the maxillary canine show?

Back 14

cingulum and lingual ridges prominent - ML and DL fossa

Front 15

what tooth does the maxillary 1st molar resemble?

Back 15

premolar, does not resemble any other molar*

Front 16

how many sides does the maxillary 1st molar have from an occlusal view?

Back 16

5

Front 17

is the maxillary 1st molar wider M-D or F-L?

Back 17

F-L

Front 18

in the maxillary 1st molar, the ML and DB cusps are connected by what?

Back 18

oblique ridge

Front 19

facial CE line of the maxillary and mandibular 1st molar has depth of curvature towards ______

Back 19

mesial*

Front 20

which 2 cusps are prominent and which 2 are diminished in a primary maxillary 1st molar? which of the 4 cusps might not be evident at all?

Back 20

MB and ML cusps are the largest; DL and DB are more diminished and the DL might be greatly diminished

Front 21

in the maxillary 1st molar, a transverse ridge connects what?

Back 21

MB and ML cusps

Front 22

how many fossa and pits does the maxillary 1st have?

Back 22

3 - mesial>central>distal

Front 23

describe the roots of the maxillary 1st molar

Back 23

- slender and flared
- no root trunk (or very small)
- 3 (largest to smallest: L, MB, DB)

Front 24

maxillary 2nd molar resembles what permanent tooth?

Back 24

maxillary 1st molar

Front 25

which tooth has a cusp of carabelli?

Back 25

maxillary 2nd molar

Front 26

is the maxillary 1st or 2nd molar larger?

Back 26

2nd

Front 27

how do the F-L dimensions of the mandibular central compare with the permanent

Back 27

relatively greater

Front 28

compare the M and D sides of the mandibular central

Back 28

symmetrical - evenly convex

Front 29

mandibular lateral incisor is similar to the mandibular central except for what?

Back 29

- not as symmetrical
- DI corner more rounded, slight twist to lingual
- cingulum bulges towards distal
- marginal ridges more prominent, deeper fossa than central

Front 30

mandibular canine is similar to the maxillary except for?

Back 30

- much narrower F-L
- M-D narrower than I-C
- M cusp ridge shorter than D cusp ridge

Front 31

which tooth has a crown unlike any other primary or permanent tooth?

Back 31

mandibular 1st molar* - wider M-D than F-L

Front 32

describe the roots of the mandibular 1st molar

Back 32

2 - M and D (mesial much longer and wider); F and L root surfaces parallel

Front 33

compare the cusps of the mandibular 1st molar

Back 33

largest to smallest: MB, ML, DB, DL

Front 34

IN the mandibular 1st molar the mesial outline of the crown is _______ and the Mesial HOC is more _______ than the distal

Back 34

straight; cervical*

Front 35

which tooth has a prominent facial cervical ridge

Back 35

mandibular 1st

Front 36

T or F The mandibular 1st has a prominent mesial transverse ridge

Back 36

T *

Front 37

in the mandibular 1st molar, is the occlusal table wider mesially or distally?

Back 37

distally

Front 38

Describe the fossae and pits of the mandibular 1st molar

Back 38

3 fossae: mesial, central, distal (?)
2 pits: mesial and central

Front 39

T or F The mandibular 1st molar does not have a MB bulge

Back 39

F

Front 40

mandibular second molar resembles what permanent tooth?

Back 40

permanent mandibular 1st molar except:
- all 3 facial cusps are more similar in size*
- occlusal table narrower F-L
- M root much longer and wider than D root
- F and L surfaces of M root nearly parallel