Dental Anatomy Exam 2

Front 1

pre molars have _____ lobes with the exceptiion of the _____ premolars

Back 1

4 , mandibular second

Front 2

most of the lobes of the premolars are ____ on the facial and ___ on the lingual

Back 2

3 facial , one lingual

Front 3

the exception to the rule for the lobes of the premolars is

Back 3

the second premolar which is either has 4 lobes = 2 cusps one buccal one lingual , the other is it has 5 lobes = 3 cusps , one buccal two lingual.

Front 4

the average maxillary and mandibular first molars have ___ lobes

Back 4

5 which are named by location

Front 5

the average maxiallry and mandibular second molars have ____ lobes

Back 5

4 which are name by location

Front 6

groove

Back 6

( a developmental groove )
a linear channel on the surface of the tooth , ususally the junction of the dental lobes

Front 7

fissure

Back 7

a developmental linear cleft , the result of of incomplete fusion of the enamel of adjoining dental lobes

Front 8

a pit

Back 8

is a pinpoint fissure of the junction of several fissures

Front 9

central developmental groove of the premolars

Back 9

is the demarcation between the facial lobe and the lingual lobe (s)

Front 10

the mandibular second premolar that has 2 lingual cusps , has a _______ seperating the cusps

Back 10

lingual developmental groove

Front 11

the premolars have vertical developmental depressions on the ____ surfaces, and are termed _____ and _____

Back 11

facial , mesiobuccal and distobuccal developmental depressions

Front 12

the maxiallry molars have a ______ that seperates the two buccal and two lingual lobes

Back 12

central developmental groove

Front 13

the maxilary molars have _____ that seperates the two buccal lobes

Back 13

bucccal developmental groove

Front 14

the _____ and ______ seperte the mesiolingual and distolingual lobes , where the _____ is on the occlusal surface, this is for the first maxillary molars

Back 14

distal oblique and lingual developmental grooves, distal oblique

Front 15

most _____ have a 5th lobe called the cusp of carabelli

Back 15

maxiallry first molar

Front 16

most maxiallry second molars have ____ lobes

Back 16

4 , no cusp of carabelli

Front 17

the mandibular first molars have ____ lobes , ___ on the buccal and ____ on the lingual

Back 17

5 , 3, 2

Front 18

on the mandibular first molars the most distal of the buccal lobes ( the ____ lobe ), is represented by the ____ cusp and seperated from the ______ by the distobuccal grove

Back 18

distal, distal , distobuccal lobe and cusp

Front 19

the distobuccal lobe is seprated by the from the mesiobuccal lobe byt eht ______

Back 19

mesiobuccal groove

Front 20

most mandibual second molars have ___ lobes , they dont have the ___ or _____

Back 20

4, distobuccal developmental groove, distal lobe

Front 21

the ______ of the mandibular molars separates the buccal lobe form the two lingual lobes

Back 21

central groove

Front 22

the two lingual lobes of the man molars are seprated by the ______

Back 22

lingual developmental groove

Front 23

when the teeth are viewed from the side , many teeth have a _____ angulation

Back 23

mesial

Front 24

the most vertical teeth are the

Back 24

premolars

Front 25

when the teeth are viewed from the anterior or posterior aspect ,the crowns of the max post teeth have a _____ inclination while the crowns of the man post teeth have a _______ inclination

Back 25

buccal , lingual

Front 26

the amount of buccal and lingual angluation increases the more _____ the tooth is located in the arch

Back 26

distally

Front 27

viewing the max buccal cusp tips from the buccal aspect , and gental ____ to _____ convexity is formed , the curvature is termed ______

Back 27

anterior , posterior , curve of spee or the anteroposterior curve

Front 28

curve of spee definition

Back 28

the curve produced by a line connecting the cusp tip of the maxillary canine and buccal cusp tips of the premolars and molars

Front 29

the curve of spee also occurs in the ___ as a concavity , corresponding to the _____arch's convexity

Back 29

mandibular arch , max

Front 30

viewing the posterior teeth from the anterior or posterior aspect another curve is formed called ther ____

Back 30

curve of wilson or mediolateral curve

Front 31

the curve of wilson is formed by the

Back 31

lingual inclination of the man post teeth and the buccal inclination of the max post teeth , is forms a convexity on the max arch and has a corresponding concavity on the mandibular arch

Front 32

the curve of wilson ans the curve of spee together make up the _____, where the man arch is ___ and the max arch is ____

Back 32

spherical plane called the curve of monson or compensating curve , man= concave , max= convex

Front 33

when the max and man casts are intercuspated the ____ anterior teeth and buccal cusps of the post teeth slightly overlap the _____ teeth on the ____ aspect

Back 33

max, man , facial

Front 34

on the lingual aspect the ____ lingual cusps slightly overlap the ____ lingual cusps

Back 34

man, max

Front 35

the amount of vertical overlap _____ as the tooth is locatied more distally in the arch

Back 35

distally

Front 36

the _____ line angles are formed by the junction of the facial and occlusal sufaces of the teeth and the ______ line angles are formed by the junction of the lingual and occlusal surfaces

Back 36

occlusalfacial , occlusolingual

Front 37

the facialocclusal and lingualocclusal line angles in both the max and man quadrants form a ________ along the posterior teeth

Back 37

fairly straight continuous line

Front 38

the ______ of the posterior teeth are also aligned in a more or less continuous groove form the ant to post

Back 38

central developmental grooves

Front 39

the facio-occlusal and linguo-occlusal lines are the facial and lingual extent of the ______

Back 39

occlusal table (occlusal surface)

Front 40

even though the molalrs are wider faciolingually than the premolars , the ______ of the molars are only slightly wider than that of the premolars

Back 40

occlusal table

Front 41

the maxillary molars additional bulk is onthe ____ , while the man molars additional bulk is on the ______

Back 41

lingual aspect ( lingual to the cusp tips) , buccal aspect

Front 42

the bulk give the supporting cusps

Back 42

greater strength

Front 43

line angle definition

Back 43

line formed by the junction of two surfaces

Front 44

all teeth have _____ vertical line angles

Back 44

4 ( mesial, distal , lingul, facial )

Front 45

viewing the post teeth from the occlusal ,the facial line angle of the premolars are _____ and the facial line angles of the molars are ____, and the lingual angles of the premolars and molars are more ____ and not as ____

Back 45

distinct , rounded , rounded , delineated

Front 46

the facial line angles of the premolars form the facial aspect , the line anlges in the _______ are very distinct and angular while the line angles in the ______ are quite round

Back 46

occlusal one third , gingival one third

Front 47

the mesiofacial and distofacial line angles converge as they more ______

Back 47

cervically

Front 48

the mesiodistal distance is smaller at the ______ than at the contact areas for all teeth, so all mesiofacial and distofacial lone angles occrus for all vertical line angles , but is most easily visualized in the ______ of the premolars and anterior teeth because of thier promiance

Back 48

CEJ, facial line angles

Front 49

marginal ridges

Back 49

the mesial and distal terminations of the occlusal surfaces in the posterior teeth

Front 50

it is important that the marginal ridges of adjacent teeth be______. the _____ of the distal marginal ridge should be _____ compared ot the crest of the mesial marginal ridge of the tooth distal to it

Back 50

the same height , crest , same height

Front 51

the two adacent teeth do not contact at the _____ of these rigdes, bu there is a small embrasure occlusal to eh ______ contact , this occlusal embrassure is formed by the curve sides of the ______ from the proximal contact to the crest of the marginal ridges

Back 51

crest , proximal ,marginal ridges

Front 52

the crests of the marginal ridge ar _____ for thier entire buccolingual distance

Back 52

level

Front 53

as themarginal ridge surface slopes from its crest toward the center of the tooth , the surface flows ______

Back 53

into the respective mesial or distal triangular fossa

Front 54

maxillary first premolar buccal view the crown outline is

Back 54

trapizoidal

Front 55

max 1st premolar buccal view the mesial cusp arm of the buccal cusp is _____ and ______ than the distal cusp arm . the distal cusp arm is ______ and _____

Back 55

longer and fairly straight , shorter and more curved

Front 56

max 1st premolar buccal view the mesial outline is ______ from below the CEJ to the mesial contact area , this is a fairly broad ____

Back 56

concave, concavity

Front 57

max 1st premolar buccal view the mesial contact area is _______ of the occlusal and middle thirds ( contact is in the _______ third )

Back 57

just cervical to the junction , middle

Front 58

max 1st premolar buccal view , the distal outline is ______ from the CEJ to the distal contact are than the mesial outline, although slightly still concave

Back 58

straighter

Front 59

max 1st premolar buccal view , the distal contact area is located in the ______ third as is the mesial contact area

Back 59

middle

Front 60

max 1st premolar buccal view , the ______ cups tip is pointed and located slightly distal to the center of the buccal surface

Back 60

buccal

Front 61

max 1st premolar buccal view , there is a prominent buccal ridge on the ____ surface, and the ____ and _____ line angles are very distinct in the occlusal third of the buccal surface

Back 61

buccal surface, mesiobuccal , distobuccal

Front 62

max 1st premolar buccal view the vertical development depressions are seen in the ______ one third of the buccal surface . the mesial depressions is the more ____

Back 62

occlusal , concave

Front 63

max 1st premolar lingual view , the lingual portion of the crown is _____ mesiodiatally than the buccal portion

Back 63

narrower

Front 64

max 1st premolar lingual view , the lingual cusp tip is ____ and located _____ to the buccal cusp tip so that the distal cusp arm is ____ than the mesial cup arm

Back 64

pointed, mesial , longer

Front 65

max 1st premolar mesial view , the crown outline is _____ the the short parrallel side of the _____ at the _____

Back 65

trap, trap, occlusal aspect

Front 66

max 1st premolar mesial view , the buccal height of contour (____), is in the ____ one third

Back 66

greatest convexity of the buccal outline , cervical one third

Front 67

max 1st premolar mesial view, the lingual height of contour is usually near the center of the ____ one third

Back 67

middle

Front 68

max 1st premolar mesial view , the lingual cusp tip is about 1mm ____ than the buccal cusp tip

Back 68

shorter

Front 69

max 1st premolar mesial view , the cusp tips are located within the confines of _____

Back 69

the root surfaces

Front 70

max 1st premolar mesial view, approximatly half the max first premolars have ____ roots , ( ____ buccal and ____ lingual) the other half have ______

Back 70

2, 1,1 , a single root

Front 71

max 1st premolar mesial view , a distinguishing feature of this tooth is the ________ . it is a marked concavity just cervical to the _____ and centered on the ______ of the crown . this concavity extends onto the mesial root surface

Back 71

mesial developmetal depression, contact area, mesial surface

Front 72

max 1st premolar mesial view , there is also a well defined ____ that crossed the mesial marginal ridge just ____ to the mesial contact area and ends just cervical to the ____ of the margina ridge

Back 72

developmental groove , lingual, crest

Front 73

max 1st premolar mesial view , when the root is bifricated , itis only bifurcated for about _____ its total length , therefor there is a ____ root trunk ( the distance form the ____ to the ____ )

Back 73

one half, long, CEJ to the bifurcation

Front 74

max 1st premolar distal view , there is no developmental depression on the _____ surface of the crown

Back 74

distal

Front 75

max 1st premolar occlusal view , the occlusal outline is roughly _____

Back 75

hexagonal

Front 76

max 1st premolar occlusal view , the crown is wider in the ____ third than in the ___ third

Back 76

buccal , lingual

Front 77

max 1st premolar occlusal view , on the buccal surface , there is a prominent ____ ridge , the buccal developmental depression are _____ and the mesiobuccal and distobuccal line angles are very ____ in the occlusal third

Back 77

buccal , prominent, distinct

Front 78

max 1st premolar occlusal view , the mesiobuccal cusp arm meets the mesial marginal ridge at nearly ______ , while the distobuccal cusp arm meets the distal marginal ridge at ______

Back 78

a right angle , an acute angle

Front 79

max 1st premolar occlusal view , the mesiolingual cusp arm is _____ than the distolingual cusp arm , both are ____ curved and blended uniformly into the mesial and distal marginal ridges respectively

Back 79

shorter , smoothly

Front 80

max 1st premolar occlusal view , the central dev grooves divides the _____ into buccal and lingual halves

Back 80

occlusal table

Front 81

max 1st premolar occlusal view , two distinct grooves extend from the _____ and ___ pits toward the mesiobuccal and distobuccal line angles . they are termed the ______ and _____ developmental groovs

Back 81

mesial and distal , mesiobuccal and distobuccal

Front 82

max 1st premolar occlusal view , the buccal trianglar ridge is _____, while the lingual triangular ridge is _____

Back 82

distinct, less prominent

Front 83

max 2nd premolar buccal view , is similar to the first max premolar but

Back 83

more symmetrical

Front 84

max 2nd premolar buccal view, the mesiobuccal and distobucal line angle are less _____ than in the first premolar

Back 84

prominent

Front 85

max 2nd premolar buccal view, the mesial cusp arm of the buccal cusp is _____ than the distal cusp arm

Back 85

shorter, the reverse of the max first premolar

Front 86

max 2nd premolar buccal view, the mesial and distal contact areas are in the _____ thirds

Back 86

middle

Front 87

max 2nd premolar mesial view, the buccal and lingual cusps are more nearly ______ than in the first premolars

Back 87

the same height

Front 88

max 2nd premolar mesial view, there is no _______ crossing the mesial marginal ridge

Back 88

mesial marginal groove

Front 89

max 2nd premolar mesial view, the mesial surface does not have a marked ______ as does the first premolar

Back 89

concavity

Front 90

max 2nd premolar mesial view, the buccal and lingual cusp tips are slightly ________ than those of the first max premoalrs

Back 90

farther apart

Front 91

max 2nd premolar mesial view, the buccal height of contour is in the ____ third , while the lingual height of contour is in the ____ third

Back 91

cervical, middle

Front 92

max 2nd premolar occlusal view, the occlusal outline is _____ rather than hexagonal

Back 92

ovid

Front 93

max 2nd premolar occlusal view, the mesiobuccal and distobuccal line angles are slightly more ______ than those of the first max premolars

Back 93

rounded

Front 94

max 2nd premolar occlusal view, there is less _______ convergance than in the first mx premolars

Back 94

lingual

Front 95

max 2nd premolar occlusal view, its oclusal surface has numerous ______ giving it a wrinkled appearnce

Back 95

supplemental grooves

Front 96

man 1st premolars buccal view , the crownoutline is roughly ____

Back 96

trap

Front 97

man 1st premolars buccal view, the mesial and distal outlines are similar except the _____ outline is slightly more concave cervical to the contact area

Back 97

distal

Front 98

man 1st premolars buccal view, the mesial and distal contact areas are in the ____ thirds

Back 98

middle

Front 99

man 1st premolars buccal view, the the bucal cusp tip is ____, ___ and _____ to the tooths midline , there is often a slight _____ in the distal cusp arm

Back 99

large, pointed, mesial , concavity ( dip)

Front 100

man 1st premolars buccal view, there is a prominent development of the ________ termed the _____ , that extends form the cusp tip down the buccal surface of the tooth

Back 100

middle buccal lobe, buccal ridge

Front 101

man 1st premolars lingual view, the occlusal surface slopes dramatically towards the _____, enabling most of the occlusal surface to be visible form the ____ view

Back 101

lingual , lingual

Front 102

man 1st premolars lingual view, there a concavities between the _____ and contact areas in the lingual portions of the ____ and ____ surfaces

Back 102

CEJ, mesial and distal

Front 103

man 1st premolars lingual view, there is a very small lingual cusp in alignment with the ______on the occlusal surface

Back 103

buccal traingular ridge

Front 104

man 1st premolars lingual view, the root is very _____ on the lingual side and tapers evenly to a pointed apex

Back 104

narrow

Front 105

man 1st premolars mesial view, from a mesial view , the corwn has a ______ outline

Back 105

rhomboidal

Front 106

man 1st premolars mesial view, the tip of the buccal cusp is centered over the ______, while the tip of the lingual cusp is in line with the _______

Back 106

root, lingual border of the root

Front 107

man 1st premolars mesial view, the buccal outline is very convex from the _______ to the buccal cusp tip, and its height of contour is inthe ______ third

Back 107

CEJ, cervical

Front 108

man 1st premolars mesial view, the mesial surface of the root is _____ and _____ , often with deep developmental grooves

Back 108

smooth and flat

Front 109

man 1st premolars mesial view, the lingual height of contour is in the _______ third

Back 109

middle

Front 110

man 1st premolars distal view, the distal marginal ridge is located more ______ and is more _____ than the mesial marginal ridge

Back 110

occlusaly, horizontal

Front 111

man 1st premolars occlusal view , the occlusal outline is ususallly _____, but some may be more ____

Back 111

diamond shaped, circular

Front 112

man 1st premolars occlusal view, the mesiobuccal and distobuccal line angles are ____ but _____

Back 112

prominent , rounded

Front 113

man 1st premolars occlusal view, the crown converges ______ to the center of the lingual surface fromthe mesial and distal contact areas

Back 113

sharply ,

Front 114

man 1st premolars occlusal view, marginal ridges are ____

Back 114

well developed

Front 115

man 1st premolars occlusal view, due tothe lingual tilt of the crown , ______ of the buccal surface is seen inthis view , but ____ of the lingual surface may be seen in this view

Back 115

majority , very little

Front 116

man 1st premolars occlusal view, there are mesial and distal fossae on the ____ surface . the distal is ____ and has more classic form of a fossa . the mesial is _____ and extends lingually to become the_________

Back 116

occlusal, larger , linear , mesiolingual developmental groove

Front 117

man 1st premolars occlusal view, one of the distinctive features of this tooth is its prominent _____, composed of the ______ and ______

Back 117

transvers ridge , buccal triangular ridge and the lingual triangular ridge

Front 118

man 2nd premolar buccal view , the mesial and distal contact areas are relitivley _____ and located in the ____ third

Back 118

broad , middle

Front 119

man 2nd premolar lingual view , there are two types of mandibular second premolars. one type has 2 ____ cups , and the other had only one _____ cusp .

Back 119

lingual , lingual

Front 120

man 2nd premolar lingual view , in this view of the two cusp types (only one lingual cusp ) there is a single ______ that is mesial to the buccal cusp tip allowing the buccal cusp tip to be observed . there is no ________ but a developmental depression where the lingual cusps distal cusp arm joins the distal marginal ridge

Back 120

large lingual cusp , lingual developmental groove,

Front 121

man 2nd premolar lingual view , in the lingual view of the three cusp type , there is a _____ and _____ cusp . the _____ cusp is larger and longer than the _____ . there is a groove seperating the two cusps that extends from the occlusal surface onto the lingual surface

Back 121

mesiolingual, distolingual . mesiolingual, distolingual

Front 122

man 2nd premolar mesial view ,the crown and root are ____ than those of the first man premolars

Back 122

wider buccolingually

Front 123

man 2nd premolar mesial view , the buccal cusp tip is located more the to ______ and _____ than in the first man premolar

Back 123

buccal and shorter

Front 124

man 2nd premolar mesial view ,the marginal ridge is at _____ angles to the long axis of the tooth

Back 124

right

Front 125

man 2nd premolar lingual view , the buccal height of contour is in the_____ third , the lingual height of countour is in the _____ third

Back 125

middle, middle

Front 126

man 2nd premolar occlusal view , the crown of the two cusp type has a ____ outline , while the three cusp type has a more ____outline

Back 126

rounded , square

Front 127

man 2nd premolar occlusal view , in the two cusp type , the central developmental groove is most often _____ or _____ shaped , but may be straight . its mesiolingual and distolingual line angles are more ______, and there is one well developed _____ cusp tip mesial to the midline

Back 127

U, H , rounded, lingual

Front 128

man 2nd premolar occlusal view, in the 2 cusp type , the buccal cusp is the ______ , the mesiolingual is the next _____ and the distolingual is the _____ cusp . each cusp has a _______ and cusps are sperated by developmental grooves. the mesial and distal portions of the central developmental groove and the lingual developmental groove form a ______ a central pit is at thier intersection

Back 128

largest , largest. smallest, triangluar ridges , Y