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Morphology: Lab Exam/ Tooth Structural Comparison > Lab and Final: permanent teeth > Flashcards

Lab and Final: permanent teeth Flashcards

1
Q

What is the shape of the Max CI from the facial and lingula views

A

trapezoid

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2
Q

What is the view of the Max CI from the M D and I views

A

triangular

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3
Q

What is the height of convexity of the Maxillary central I

A

I 1/3

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4
Q

What is the contact of the MAXCI

A

M (I 1/3) D (Junct of middle and I 1/3)

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5
Q

T/F MXCI I edge lies on longitudinal bisecting line

A

true

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6
Q

Is the apex of the cingulum slightly distal on the MXCI

A

Yes it is

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7
Q

MXCI contacts are centered _____

A

Labolingually

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8
Q

How many pulp horns does the MXCI have??

A

3

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9
Q

What number is the right MXCI

A

8

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10
Q

What number is the left MXCI

A

9

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11
Q

Is the root length of the MXLI the same length of the MXCI?

A

Yes

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12
Q

T/F the MXLI mesial and distal marginal ridges are more pronounced than the MXCI

A

ture

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13
Q

T/F MXLI has a deeper lingual fossa than the MXCI

A

true

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14
Q

What is the shape of the MXLI F/L

A

Trapezoidal

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15
Q

What is the shape of the MXLI (M D)

A

triangle

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16
Q

What is the shape of the MXLI I view

A

oviod

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17
Q

Where are the contacts on the MXLI?

A

M: junction

D Middle

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18
Q

Is the root of the MXLI more pointed than the MXCI?

A

Yes

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19
Q

What is the height of contour for the MXLI?

A

cerv 1/3

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20
Q

MXLI has a less curved M CEJ than MXCI (T/F)

A

true

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21
Q

Is the distal or mesial view wider on the MXLI?

A

Distal

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22
Q

MXLI has a prominent _______ development depression

A

distal

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23
Q

the MXLI contacts are centered __________

A

Labiolingually

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24
Q

Which MX incisor has more prominent marginal ridges and cingu.

A

MXLI

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25
Q

What number is RIght MXLI

A

7

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26
Q

what number is the L MXLI

A

10

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27
Q

the MXCI contacts are centered _________.

A

labolingually

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28
Q

T/F the MNDCI is smaller than the MNDLI

A

true

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29
Q

the MNDCI is wider ______ than ______.

A

B-L than M-D

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30
Q

what is the shape of the facial and ling MNDCI

A

Trapezoid

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31
Q

What is the shape of the M-D view of the MNDCI

A

triangular

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32
Q

Where are the contacts located on the MNDCI

A

I 1/3

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33
Q

How many pulp horns in the MNDBCI

A

3

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34
Q

What is the only symestrical tooth in the mouth

A

MNDCI

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35
Q

T/F the MNDBCI has no distinct lingua fossa

A

True

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36
Q

The MNDBCI has less developed marginal ridges (t/F)

A

true

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37
Q

the mndbCI has less developed cingulum (t/f)

A

true

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38
Q

What is the cervical contour of the mndbCi

A

cerv. 1/3

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39
Q

the mndbCI incsial edge lie _______ to bisected root

A

lingually

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40
Q

the mndbCI contacts are centered ____ -____

A

faciolingually

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41
Q

Which developemental depression of the ______ view is more prominent on the MNDBCi

A

distal

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42
Q

What exists below the middle 1/3 of the mesial veiw of the MNDBCI

A

concavity

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43
Q

the mndbCI converges _______

A

lingually

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44
Q

What is the number of the left mndbCI

A

24

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45
Q

What is the number of the right mndbCi

A

25

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46
Q

What is the number of the left mndbLI

A

23

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47
Q

What is the number of the right mndbLI

A

26

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48
Q

T/F the mndbiLI is wider m-d than the mndbCI

A

true

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49
Q

Where is the added m-d width added to on the mndbLI

A

the distal portion

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50
Q

Where are the contacts for the mndbLI

A

inc. 1/3

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51
Q

The lingual view of the mndbLI lacks

A

lingual anatomy structures

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52
Q

the incisal edge on the distal side is lower than the mesial side on which tooth

A

mndbiLI

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53
Q

Which mndb Incisor has deeper development depressions

A

the mndbLI

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54
Q

The _____ aspect of the mndbLi twists ____

A

distal/ Distally

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55
Q

The incisal edge of the mndbLI lies ______ when the tooth is centered labolingually.

A

lingual

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56
Q

the mndbLI has how many pulp horns

A

3.

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57
Q

What # is the max right can.

A

6

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58
Q

what # is the max left can.

A

11

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59
Q

the max can has the longest and thickest ____.

A

roots

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60
Q

Which is bigger the max or man can

A

max

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61
Q

What is the f/L shape fo the max can.

A

trapezoidal because the tip is not counted.

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62
Q

Is the max can’s cusp tip centered on the tip of the root

A

yes

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63
Q

what portion of the anatomical crown does the max can’s cusp take up?

A

1/3

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64
Q

what are the contacts of the max can?

A

m: junction 1/3 and middle

D: middle 1/3

and they are centered faciolingually

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65
Q

What exists below the distal contact?

A

a distal concavity

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66
Q

What is the shape of the m/d view of the max canine?

A

triang

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67
Q

Where does the max can cusp tip lie on bisected tooth?

A

labially

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68
Q

What are the labial and lingu heights of contour?

A

cervical 1/3

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69
Q

the max can root is broad ___-___

A

facio linguall

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70
Q

the max can has both ___ and ___ developement depression

A

mesial and DISTAL

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71
Q

The lingual CEJ is greater than the Labial CEJ on the max can (t/F)

A

true

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72
Q

What are the ridges that comprise the cusp tip

A

mesial cusp arm
distal cusp arm
buccal ridge and lingual ridge

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73
Q

What is longer the mesial or distal cusp arm on the max can.

A

distal

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74
Q

Max can root curves ______

A

distally

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75
Q

a max can is wider facio ling than _____ -_____

A

mesiodistally

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76
Q

What is narrower the max can crown or the man can crown?

A

mandibuluar canaine crown

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77
Q

the mand can has a less developed cing and marginal ridges (t/f)

A

ture

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78
Q

What portion of the crown is the man can cusp

A

1/5

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79
Q

the man can is as long or longer I/G than the max can (t/f)

A

true

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80
Q

What are the contacts of the man can?

A

m: incisal 1/3
D: middle 1/3

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81
Q

The man can mesial cusp arm is shorter than the distal (t/f)

A

true

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82
Q

distal cusp arm of man can is longer and over hangs the root (t/f)

A

true

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83
Q

What does the man can mesial cusp arm line up with

A

the root

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84
Q

which direction does the man can root curve

A

mesially!!!!!!

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85
Q

what are the heights of conture of the man can

A

cervial 1/3

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86
Q

Where does the cusp tip lie in regaards to the bisection ofthe man can root

A

LINGUAL different thant max can

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87
Q

man can has both ___ and ___ development depression

A

mesial and distal (D is bigger)

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88
Q

Which anterior tooth is most likely to have a bifurcated root?

A

man can

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89
Q

What is the number of the right maxilarry 1st premolar?

A

5

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90
Q

What is the # of the left max 1st PM

A

12

91
Q

What is the number of the right Max 2nd PM

A

4

92
Q

What is the # of the max left 2nd PM

A

13

93
Q

What is the Facial shape of ALL Premolars??

A

Trapezoidal

94
Q

What is the M and D Shape of the Max 1st premolar?

A

trapezoidal

95
Q

What is the occusal shape of the max 1st PM

A

hexagonal

96
Q

How many cusps does the maxillary 1st pm have?

A

2
Buccal
Lingual

97
Q

Which is longer on the Max 1st PM: mesial cusp arm or distal cusp arm

A

mesial cusp arm

98
Q

Which maxillary premolar is most likely to have two roots?

A

Maxillary 1st premolar

99
Q

How many roots does the maxilary 2nd prmolar have?

A

one root

100
Q

The Max 1st PM has a _____ concavity below its _____ contact

A

Mesial

Mesial

101
Q

Where are the contacts located occlusal gingivally on all premolars

A

In the middle 1/3

102
Q

All 1st premolars have a more prominent _____ ridge then 2nd premolars

A

buccal ridge

103
Q

How much shorter is the Lingual cusp than the buccal cusp on a Max 1st PM

A

1 mm shorter

104
Q

What is the buccal HOC (height of Contour) on a Max 1st PM

A

cervical 1/3

105
Q

What is the lingual HOC on a Max 1st PM

A

middle 1/3

106
Q

The 1st premolars (maxillary and mand.) both have _____ developmental root depressions

A

mesial

107
Q

A very distinguishing marker of the MAX 1st PM is the ______ ______ _______ ______ _______

A

mesial marginal ridge developmental groove

108
Q

The root trunks of the MAX 1st PM are _____ or _____ the total root lengthn

A

1/2 or 2/3

109
Q

the MAX 2nd PM is ______ than the Max 1 PM

A

smaller

110
Q

The MAX 2nd PM has ______ root

A

one

111
Q

both Max and Man 2nd premolars have less prominent _____ cusp ridges

A

buccal

112
Q

The ______ cusps of both the man and max 2nd PM are more equal in height to the Max and Man 1st PM

A

lingual cusps

113
Q

MAX 2nd PM lacks a mesial and distal ______ ______ ______

A

root development depression

114
Q

The heights of buccal countour of the MAX 2nd PM

A

are cervical 1/3

115
Q

The heights of lingual countour of the MAX 2nd PM

A

middle 1/3

116
Q

What are the numbers of the MAN left 1st PM

A

21

117
Q

What are the numbers of the MAN Right 1st PM

A

28

118
Q

What are the numbers of the MAN left 2nd PM

A

20

119
Q

What are the numbers of the MAN right 2nd PM

A

29

120
Q

How many lobes does the MAN 1st PM develop from?

A

Four

121
Q

What are the four lobes of the MAN 1st PM

A

buccal
mesio facail
distofacial
lingual

122
Q

What is the mesial and distal view of the MAN 1st PM

A

rhomboidal

123
Q

What isthe occlusial viewe of the MAN 1st PM

A

diamond

124
Q

the contacts of the MAN 1st PM are centered _____-_____

A

bucco-lingually

125
Q

the ______ cusp of the MAN 1st PM resembles a _________

A

cingulum

126
Q

MAN 1st PM has a ______ root development depression

A

mesial root developmental depression

127
Q

The ______ cusp of the MAN 1st PM is centered over the apex of the root

A

buccal

128
Q

the MAN 1st PM has _____ root (s)

A

one

129
Q

The liingual HOC of the MAN 1st PM over hangs the root (t/f)

A

true

130
Q

the lingual HOC of theMAN 1st PM is located where?

A

in the middle 1/3

131
Q

The lingual cusp of the MAN 1st PM is _____ the total height of the buccal cusp

A

2/3

132
Q

The mesial marginal ridge of the MAN 1st PM is ______ than the distal marginal ridge

A

lower.

this is the only tooth with this

133
Q

the ______ _____ _____ separates the lingual cusp and the mesial marginal ridge

A

mesiolingual developmental groove

134
Q

the MAN 1st PM has a ______ ridge that is the comnination of the buccal triangular ridge and the lingual trianglualr ridge

A

transverse ridge

135
Q

What are the two types of Man 2nd Premolars

A

three cusp and two cusp

136
Q

How many lobes does the three cusp Man 2nd Premolar have?

A

five lobes

137
Q

How many lobes does the two cusp Man 2nd Premolar have?

A

four lobes

138
Q

What are the names of the five lobes of the three cusp type of the Man 2nd Premolar

A 
Mesial 
Distal 
Buccal 
Mesiolingual 
Distolingal
139
Q

What are the names of the four lobes ofthe 2 cusp type of the Man 2nd Premolar

A

buccal
Distal
Mesial
Lingual

140
Q

the MD aspect of the root of the Man 2nd Premolar is _____ than the MAN 1st prM

A

broader

141
Q

the buccal cusp tip is located _______ of the root on the Man 2nd Premolar

A

buccally

142
Q

What are the three cusps of the three cusp type?

A

Buccal cusp and a Mesiolingual and Distolingual cusps

143
Q

What shape does the three cusp type form?

A

Y with a central pit

144
Q

What is the shape of the 3 cuspt type of the Man 2nd Premolar

A

suqare

145
Q

What is the shape of the 2 cuspt tupe of the Man 2nd Premolar

A

circle

146
Q

What shapes are formed by the two cusps of the two cusp type?

A

H (more common)

U less common

147
Q

In all molars what is the largest cusp?

A

the meisal lingual

148
Q

What three cusps form the trigon?

A

ML, MB, and DB

149
Q

What is the smallest cusp on any molar

A

DL is the smallest besides the cusp of carabelli

150
Q

What happens to the DL cusp as you over from1st molar to third

A

it continues to get smaller.

151
Q

What to cusps form the oblique ridge.

A

DB and ML

152
Q

How many cusps does the Max 1st molar have?

A

5

153
Q

What are the names of the 5 cusps of the Max 1st molar

A

DB, MB, DL, ML, and cusp of caraabelli

154
Q

What is the outline of the crown of the Max 1st molar

A

trapezoidal

155
Q

What is the mesial outline of the Max 1st molar

A

trapezoid

156
Q

Which cusp is larger the MB or the DB on the Max 1st molar

A

MB

157
Q

What two cusps does the buccal deve. groove

A

MB and DB cusps

158
Q

Where are the contacts of all molars?

A

middle 1/3

159
Q

The Max 1st molar possess a ______ _______. This is a hard to clean area.

A

Distobuccal concavity

160
Q

The MB cusp is in line with with what?

A

the MB root.

161
Q

What Max 1st molar root is the smalleest?

A

the DB root.

162
Q

Which Max 1st molar root is the longesst?

A

the lingual/ palatal.

163
Q

The Lingual/ Palatal Root is in line with what on the Max 1st molar?

A

the buccal and lingual devel groove

164
Q

How many canals are in the MB root of a Max 1st molar

A

2 canals

165
Q

How many canals are in the lingual/ palatal and DB roots of a Max 1st molar?

A

just one root

166
Q

What developmental groove separates the ML and DL cusps on the Max 1st molar

A

lingual groove?

167
Q

Which cusp of the Max 1st molar is attached to the cusp of carabelli?

A

the ML cusp

168
Q

T/F on a Max 1st molar the lingual root has a lingual root depression.

A

true

169
Q

On a Max 1st molar Where is the HOC for the buccal cusp?

A

cervial 1/3

170
Q

On a Max 1st molar Where is the HOC for the lingual cusp?

A

middle 1/3

171
Q

What is the outline of the occulas view ofo the Max 1st molar

A

rhomboidal

172
Q

On the Max 1st molar occusal outline, what cusps have acute angles?

A

MB and DL

173
Q

On the Max 1st molar occusal outline, what cusps have obtuse angles?

A

ML and DB

174
Q

on the Max 1st molar the occusal view broadens _______ l

A

lingually

175
Q

List the cusps of the Max 1st molar in decreasing size

A

ML, MB, DB, DL, Carabelli

176
Q

What are the two major fossas of the Max 1st molar

A

Central fossa and Distal fossa

177
Q

What are the two minor fossae of the Max 1st molar

A

Mesial Triangular fossa

Distal Tri. Fossa

178
Q

Where is the distal pit located?

A

on the distal groove and lingual groove.

179
Q

What are the two occlusal types of the MAX 2nd Molar

A

Rhomboidal (similar to the 1st molar and is the most common)

Heart Shaped (similar to third molar)

180
Q

The roots of the MAX 2nd Molar are just as long if not longer than the max 1st molar (t/f)

A

true

181
Q

on the MAX 2nd Molar the MB root apex is in line with the buccal groove (t/f)

A

true

182
Q

the DL cusp of the MAX 2nd Molar is much smaller than the DL cusp of the _______ ___ _______

A

maxillary 1st molar

183
Q

_____ root apex lines up with the DL cusp tip where as in the 1st MAx molar it lines up with the lingual groove.

A

Lingual.

This shows that the root tapers distally

184
Q

When the MAX 2nd Molar lacks a DL cusp then it is _____ shaped on an occlusal view.

A

heart shaped.

185
Q

What are the HOC of the MAX 2nd Molar

A

B: cervial 1/3

Ling: middle 1/3

186
Q

On the max 3rd molar the DL is often ________ or _______

A

underdeveloped or missing

187
Q

the roots of the max 3rd molar aree often

A

fused

188
Q

the crowns of the max 3rd molar are often _______

A

undersized

189
Q

man 3rd molar crowns are often

A

oversized

190
Q

the man 3rd molar has 2 buccal _____ and ______

A

cusps and roots

191
Q

All man molars are _______ M-D than B-L. This is oppostie of the Max Molars

A

broader

192
Q

How many cusps do man 1st molars typically have??

A

5 cusps

193
Q

name the five cusps that a man 1st molar typicall have

A

3 buccal: MB, DB and Distal cusp

2 lingual cusps: ML and DL

194
Q

List the buccal cusps of the man 1st molars in decreasing size

A

MB, DB, and distal

195
Q

Occlusal view of the man 1st molars taper _______

A

distally

196
Q

the MB development grooves terminates in _______ 1/3 of the crown on the man 1st molars

A

middle

197
Q

the DB developmental groove terminates in the ______ 1/3 of the crown of a man 1st molars

A

cervical

198
Q

how many roots of a man 1st molar have?

A

two

mesial and distal

199
Q

how many canals are in the Mesial root of the man 1st molars

A

two canals

200
Q

how many canals are in the distal root of the man 1st molar

A

1 canal

201
Q

the man 1st molars have developmentl root depressions on _______ , ______, and _______ roots

A

mesial, distal, and buccal

202
Q

What is the lingual HOC for the man 1st molars

A

middle 1/3

203
Q

what is the buccal HOC for the man 1st molars

A

cervical 1/3

204
Q

(t/f) the cervical line is higher and more pronounced on the man 1st molars

A

true

205
Q

the crowns of the man 1st molars are shifted more _______

A

lingually

206
Q

the mesial root apex of the man 1st molars is in line with the _______

A

MB cusp

207
Q

the man 1st molars have ______ ______ _____ ______

A

mesial developmental root depression

208
Q

the occlusal view of the man 1st molars is the shape of a ______

A

hexagon

209
Q

What is the major fossa of the man 1st molars

A

central fossa

210
Q

What are the two minor fossa of the man 1st molars

A

M and D triangular fosssa

211
Q

What are the four developmental grooves on a man 1st molars

A

central
Lingual
mesiobuccal and distobuccal

212
Q

What view shows all five cusps of the man 1st molars

A

the buccal view

213
Q

When viewing the man 1st molars from the lingual view, how many cusps can be seen?

A

3

DB
ML
DL

214
Q

the man 2nd molar is ____ than the 1st man molar

A

smaller

215
Q

What are the four cusps of the man 2nd molar

A

MB ML DB DL

216
Q

the _______ developmental groove separates what two cusps?

A

DB and MB

217
Q

How roots are on the man 2nd molar

A

2

a M and D root

218
Q

Where are the contacts on the man 2nd molar

A

middle 1/3

219
Q

What is the occlusal shape of the man 2nd molar

A

rectangle

220
Q

What are the three developmental grooves on the man 2nd molar that make up the cross shape on the occlusal view

A

central
lingal
buccal

221
Q

the roots of the man 2nd molar ______ ______

A

more parallel

222
Q

the man 2nd molar lack a ______ cusp

A

distal cusp

223
Q

the contacts of the man 2nd molar are centered __________.

A

buccolingually

224
Q

the four cusps of the man 2nd molar are about ____ in size.

A

equal

the DB is more prominent.

Morphology: Lab Exam/ Tooth Structural Comparison (3 decks)

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