tooth morphology

Question 1

what are the succadaneous teeth

Answer 1

the following permanent teeth: incisors canines and premolars they are called so because they take the place of their former predecessors

Question 2

what is the first permanent tooth that emerges in the presence of primary teeth

Answer 2

Permanent first molar (aka 6year molar)

Question 3

the crown of primary maxillary 1st molar resembles that of

Answer 3

permanent premolars

Question 4

the roots of primary maxillary molars resemble that of

Answer 4

permanent maxillary molars -in that they have 3.

Question 5

what primary tooth is unique because it has a crown form unlike any permanent tooth

Answer 5

primary mandibular first molar

Question 6

which primary tooth has the longest root compared to the rest of primary teeth

Answer 6

Primary maxillary canine

Question 7

what ridge connects the cingulum to the cusp tip in the primary maxillary canine in the lingual ascpect

Answer 7

LINGUAL RIDGE.

Question 8

which of the primary teeth has a straight incisal edge

Answer 8

mandibular central incisor

Question 9

what primary tooth has an incisal ridge that slopes down distally

Answer 9

primary mandibular lateral incisors

Question 10

which of the following primary teeth have thick necks maxillary or mandibular canines

Answer 10

mandibular canines

Question 11

in a buccal aspect of primary first maxillary molars, which root is the longest

Answer 11

medial buccal root

Question 12

what is the nlmost prominent cusp on a primary maxillary 1st molar

Answer 12

mesiolingual cusp

Question 13

Primary maxillary 1st molar is particularly distinguished from other teeth by

Answer 13

a pronounced convexity on the buccal outline of the cervical third

Question 14

The primary maxillary 2nd molar has characteristics resembling what permanent tooth

Answer 14

permanent maxillary 1st molar

Question 15

cusp of carabelli is foung on which primary tooth,which tooth has 5 cusps

Answer 15

Primary maxillary 2nd molar

Question 16

A severe, potentially life-threatening allergic reaction.

Answer 16

anaphylaxis

Question 17

which of the primary teeh وحيد القرن،in that it does not resemble any of the other teeth, primary or permanent.

Answer 17

primary mandibular 1st molar

Question 18

what teeth are the only neighboring teeth in the dental arches with mesial surfaces in contact

Answer 18

the max and mand CI

Question 19

which permanent tooth may show considerable variance in its crown form

Answer 19

maxillary lateral incisor

Question 20

which permanent teeth show few instances of malformation or anomalies

Answer 20

mandibular central incisors

Question 21

which permanent tooth tends to be fairly symmetrical

Answer 21

mandibular central incisor

Question 22

which permanent teeth are referred to as the CORNERSTONES of dental arches

Answer 22

permanent maxillary and mandibular canines

Question 23

they are very valuable teeth. when conseudered either as units of the natural dental arches or as possible assistants in stabilizing replacements of lost teeth in prosthetic procedures

Answer 23

permanent max and mand canines

Question 24

when permanent teeth are lost ,which teeth are usually the last to go

Answer 24

permanent canines

Question 25

what are the most stable permanent teeth in the mouth and why

Answer 25

CANINES,The self-cleaning qualities of the canines; their smooth, pointed shape; the thickness of their crowns; and their strong anchorage 

Question 26

aa prominence on the surface of the superior maxillary bone caused by the socket of the canine tooth

Answer 26

canine eminence

Question 27

this tooth seems to be a compromise in the change from anterior to posterior teeth

Answer 27

permanent CANINES

Question 28

a variation in the form of what tooth causes bifurcated roots

Answer 28

perrmanent mandibular canine

Question 29

the root of which permanent tooth narrows mesially

Answer 29

permanent mandibular canine

Question 29

the root of which permanent tooth narrows mesially

Answer 29

permanent mandibular canine

Question 30

canines may be also referred to as

Answer 30

cuspids

Question 31

premolars may be also reffered to as (when appropriate) by

Answer 31

bicuspids

Question 32

which possesses a sharper cusp, 2st or 1st premolar

Answer 32

1st premolar has a sharper cusp tip than 2nd premolar( remember who is closer to the canine)

Question 33

which permanent teeth resemble the canines ehen viewed buccally

Answer 33

MAXILLARY premolars

Question 34

which perm tooth acts as a prehensile (tearing tooth)much like the canine

Answer 34

max and mand FIRST premolars

Question 35

which perm teeth are more effeicient as grinding teeth (they function more like molars)

Answer 35

max and man SECOND premolars

Question 36

when premolars have 2 roost ,in what position are they placed

Answer 36

buccally and lingually

Question 37

the crown of the permanent maxillary first premolar has what shape BUCCALLY

Answer 37

trapezoidal

Question 38

the crown of the permanent maxillary 1st premolars has what shape LINGUALLY

Answer 38

spheroidal( has circular symmetry)

Question 39

what shape does the crown of a permanent maxillary premolar from an occlusal aspect take

Answer 39

hexagonal

Question 40

which is larger in size , maxillary first premolar or maxillary second premolar

Answer 40

maxillary first premolar

Question 41

what is the most obvious difference between max 1st and 2nd premolars

Answer 41

turn the tooth over to the lingual(palatal) surface, if the lingual cusp is longer then we have a max second premolar if it is shorter than the buccal cusp then it s a max first premolar

Question 42

Difference between max 1st and 2nd premolar roots

Answer 42

1st premolar usually has 2 roots unlike 2nd premolar, ALSO the developmental depression is found on the mesial surface of the max 1st premolar root while on the max 2nd premolar root, it is found distally

Question 43

which has a more rounded or ovale occlusal shape, max first or second premolar

Answer 43

max second premolar

Question 44

which has a wrinkled occlusal view because of the several supplementary grooves radiating from the central groove

Answer 44

maxillary second premolar

Question 45

maxillary premolars and mandibular 1st premolar develop from how many lobes

Answer 45

4

Question 46

MANDIBULAR 2nd premolar develops from how many lobes

Answer 46

5 (just like its notation according to palmer)

Question 47

which premolars fail to conform the implications of the term bicuspid

Answer 47

mandibular premolars

Question 48

which is the largest of the two maxillary premolars

Answer 48

maxillary first premolar

Question 49

which is the largest of the two mandibular premolars

Answer 49

mandibular second premolar

Question 50

How many cusps does the mandibular second premolar have, order them form largest to smalles

Answer 50

3 cusps from largest to smallest : buccal cusp,mesiolingual. distolingual

Question 51

mesiolingual dev dep is found on which permanent tooth

Answer 51

mandibular first premolar

Question 52

which tooth has a square shaped occlusal view

Answer 52

mandibular second premolar

Question 53

these teeth assist the mandibular molars in performing the major in the mastication and comminution of food

Answer 53

maxillary molars

Question 54

which of the three roots of the maxillary molars is the largest

Answer 54

the LINGUAL root

Question 55

is the perm first molar a succadaneous tooth

Answer 55

no because it erupts posterior to the second deciduous molar, so it has no predecessor

Question 56

which is the largest perm tooth in the maxillary arche

Answer 56

max FIRST molar

Question 57

this cusp is found lingual to the mesiolungual cusp of the maxillary first molar

Answer 57

cusp of carabelli

Question 58

which is the largest of the well developed cusps in the maxillary first molar

Answer 58

the mesiolingual cusp

Question 59

order the roots of the maxillary first molar from largest to smallest

Answer 59

lingual , mesiobuccal, distobuccal

Question 60

each mandibular molar has how many roots and in what position are they placed

Answer 60

2 roots, one mesial and one distal

Question 61

thw crown of the mandibular molars are shorter in what respect than those of the teeth anterior to them

Answer 61

cervicoocclusally

Question 62

difference in dimensions between max and mand molars

Answer 62

max molars are wider buccolingually than mesiodistally , the opp is true fir mandibular molars

Question 63

name the cusps that are found on the buccal side of the mand first molar

Answer 63

mesiobuccal, distobuccal,and •distal• cusps

Question 64

how many developmental grooves are there on the buccal sidee of 30 and what cusps do they separate

Answer 64

there are 2, the mesiobuccal DG which separates the mesiobuccal cusp from the distobuccal cusp, and the distobuccal DG which separates the distobuccal cusp from the DISTAL cusp

Question 65

what is the name of the groove that separates the distobuccal cusp from the distak cusp on the buccal aspect of 30

Answer 65

distobuccal DG

Question 66

on 31( mandibular right 2nd molar) how many cusps do we have

Answer 66

4 cusp , mesiobuccal ,distobuccal, mesiolingual,distolingual

Question 67

how many grooves are found on the buccal aspect of 31

Answer 67

1 it is named the buccal DG

Question 68

which permanent tooth has a cross-shaped pattern on the occlusal surface and why

Answer 68

mandibular 2nd molar,, when the buccal and lingual DGs join the central groove they form a cross shaped pattern

Question 69

3 roots, 3 or 4 cusps, short crown, extreme convexoty mesiobuccally at the cervival third

Answer 69

primary maxillary 1st molar

Question 70

2 roots, 5 cusps , resembles permanent 1st molar

Answer 70

primary mandibular 2nd molar

Question 71

three roots, 5 cusps, resembles permanent 1st molar

Answer 71

primary maxillary 2nd molar