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Oral Anatomy - 300 (No Molars/Primary) > Midterm One: 300 Dental Anatomy Facts Minus Molars NO PRIMARY > Flashcards

Midterm One: 300 Dental Anatomy Facts Minus Molars NO PRIMARY Flashcards

1
Q

has frequently both a separate mesial and distal pits (snake eyes)
a. Due to the triangular ridge

A

MN 1st premolar

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2
Q

has a mesial concavity that makes is difficult to adapt a matrix band

A

MX 1st premolar

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3
Q

The Y type MN 2nd premolar has ___ facial and ___ lingual cusps

A

one facial and two lingual cusps

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4
Q

tooth that has the greatest overall total tooth length

A

MX canine

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5
Q

Bifurcation for MN canine roots when present creates a _____ and _____ root

A

facial and lingual

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6
Q

tooth whose cusp tip located facial to lingual axis

A

MX canine

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7
Q

Viewed from the occlusal the basic coronal outline of a MN second premolar is

A

pentagonal

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8
Q

Instead of a long central groove with few supplemental grooves, it has a short central groove with a lot of supplemental grooves that make it look wrinkly

A

MX 2nd premolar

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9
Q

The premolar that most frequently has a single central pit is the

A

MN 2nd premolar

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10
Q

non-molar tooth that most frequently has a mesial and distal pulp horn is the

A

MX central incisor

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11
Q

only premolar with a central fossa

A

MN 2nd premolar

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12
Q

most variation of all posterior teeth in facial versus lingual cusp height

A

MN 1st premolar

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13
Q

only premolar with a lingual groove

A

MN 2nd premolar

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14
Q

teeth that most frequently have concave areas on M & D root surfaces

A

MN centrals and laterals

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15
Q

The non-molar teeth having the sharpest demarcation between pulp chamber & canal

A

MX 1st premolar

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16
Q

the anterior tooth that most frequently exhibits a bifurcated root

A

MN canine

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17
Q

which embrasure is smaller - the embrasure between the centrals or the embrasure between the central and lateral

A

between centrals

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18
Q

The occlusal outline for the mandibular 1st premolar occlusal view is ____ _____

A

diamond shaped

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19
Q

smallest crown dimensions of any tooth

A

MN centrals

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20
Q

The crown form of _______ from a facial view is pentagonal

A

canines

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21
Q

is the posterior tooth that has the greatest cervico-occlusal crown height

A

MX 1st premolar

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22
Q

Tooth most often is in abnormal relation and contact with adjacent teeth

A

MX lateral incisors

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23
Q

tooth that has straightest mesial alignment of crown to root

A

MN canine

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24
Q

which canine has the less prominent cingulum?

A

MN canine

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25
Q

Tooth with identical measurements for incisol-cervical and mesio-distal

A

MX central

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26
Q

Only anterior teeth that are wider mesio-distally than facio-lingually

A

MX Incisors

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27
Q

only tooth with a mesio-lingual groove

A

MN 1st premolar

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28
Q

PNEUMONIC for maxillary anterior Contacts

IJ
JM
JM

A

I Just
Jacked Micheal
Jackson’s Moped

I- incisal 1/3
J - junctional (between incisal 1/3 and middle 1/3)
M - middle 1/3

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29
Q

tooth that has the mesial marginal ridge located more cervical than the distal

A

MN 1st premolar

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30
Q

The mandibular canine is ______ mesiodistally than the maxillary canine

A

SMALLER

  • Distal bulge on Maxillary canine (fatter)
  • Straight mesial on Mandibular canine (skinnier)
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31
Q

The mesio-lingual developmental groove on tooth #21 originates from

A

the occlusal pit

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32
Q

has fossa that are closest in size compared to any other posterior tooth

A

MX 2nd premolar

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33
Q

In the rare event of a second canal for a MN 1st premolar it is most likely located to the

A

lingual

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34
Q

has sharpest set of incisal angles (mesial and distal)

A

MN centrals

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35
Q

Which two teeth exhibit exhibits the most deviation in crown morphology

A

Third Molars

MX lateral incisors

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36
Q

teeth that have proximal contacts at approximately the same levels on mesial and distal

A

MN centrals

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37
Q

Teeth that have the most distinct and deepest lingual fossa’s of all anterior teeth

A

MX lateral incisors

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38
Q

tooth that has the greatest cervical prominence of any anterior tooth

A

MX canine

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39
Q

MX tooth with lingual cusps are off set to the mesial (but buccal cusp is offset to the distal)

A

MX 1st premolar

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40
Q

Mesiolingual developmental groove makes mesial marginal ridge run at a
(more of the occlusal surface can be seen from the mesial than distal

A

45 degree angle

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41
Q

the middle facial lobe of the MX canine includes the cusp tip (opposite to MD canine)

A

-

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42
Q

canine that is narrower mesio-distally

A

MN canine

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43
Q

The contact between a MX central and lateral incisor makes embrasures - which is larger? Lingual or facial?

A

lingual embrasure larger than facial

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44
Q

When compared to a MX canine the MN canine has contact areas located

A

more incisally

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45
Q

teeth that have contact points at the same inciso-cervical level

A

MN centrals

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46
Q

The non-molar tooth that most frequently exhibits three roots is the

A

MX 1st premolar

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47
Q

The lingual cusp of the __ _____ ________ in normal occlusion does not occlude

A

MN 1st premolar

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48
Q

non molar tooth that has a longer mesio-facial cusp ridge than disto-facial cusp ridge

A

MX 1st premolar

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49
Q

Incisors function

A

biting, tearing

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50
Q

the only tooth that has potential of contacting both anterior and posterior teeth

51
Q

FL’lly smallest of any posterior tooth

A

MN 1st premolar

52
Q

Occlusal table of MN second premolar

53
Q

Shortest interdental papilla is between the

A

MN 2nd premolar and 1st molar

54
Q

The lingual cusp of the __ _____ ________ is approximately 2/3 of the height of the facial cusp

A

MN 1st premolar

55
Q

proximal contact at same level

A

MN centrals

56
Q

Only premolar with longer mesial cusp ridges (so does primary MX canine)

A

MX 1st premolar

57
Q

Greatest mesiodistal crown dimension of anterior tooth

A

MX Central Incisors

58
Q

cross section of the MN canine at the CEJ is

59
Q

has a distal bulge (mesial and distal are asymmetric)

60
Q

Most congenitally missing premolar

A

MN 2nd premolar

61
Q

The mesio-lingual developmental groove on tooth #21 extends onto the

A

proximal surface

62
Q

The cervical cross section of the MX 1st premolar exhibits a ______ ____ shaped root outline

A

kidney bean

63
Q

The size and position of the cusps are more identical for the ___ __ premolar than the _____

A

2nd MX premolar than the 1st

64
Q

closest of all MN teeth in FL versus MD diameter

A

MN 1st premolar

65
Q

Teeth that generally have the most prominent marginal ridges of all anterior teeth

A

MX lateral incisors

66
Q

has the longest root length of any MN tooth

67
Q

symmetrical posterior tooth (has to do with cusps)

A

MX 2nd premolar

2 cusps - one buccal one lingual

68
Q

only premolar with multiple lingual cusps

A

MN 2nd premolar

69
Q

tooth with the greatest cervical curvature (on mesial) of any other tooth

A

MX central

70
Q

The Y type MN 2nd premolar has the same number of occlusal pits as the MN ___ _____

71
Q

has two cusps that are of equal height

A

MX 2nd premolar

72
Q
  1. The anterior tooth that most likely would demonstrate lingual pit caries is
A

MX lateral incisors

73
Q

tooth distinguished by a greater cervical curvature on the mesial than distal

A

MN centrals

74
Q

non-molar that is least likely to have a bifurcated root is the

A

MX central incisor

75
Q

makes a C shape from crown tip to root apex

76
Q

tooth whose distal contact is centered

77
Q

Tooth with most crown shape variation

A

MX lateral incisor

78
Q

in cross section the root of the MN canine is

A

irregularly oval

79
Q

Tooth root equal or larger than MX central

A

MX lateral

80
Q

The lingual cusp of a __ _____ ________ is similar in development to the cingulum of a canine

A

MN 1st premolar

81
Q

permanent MX canine cusp tip more towards

82
Q

Tooth that has distal contact centered both inciso-cervically and facio-lingually

A

MX lateral

83
Q

incisor that tilts distally in relation to long axis (distolingual twist)

A

MN incisor

84
Q

Longest tooth –>
Longest root –>
Longest crown –>

A

Mx canine
Mx canine
Mn canine

85
Q
  1. The facial masticatory mucosa (attached gingival) is narrowest on the facial aspects of ___ _____
A

MN premolars

86
Q

has a uniquely prominent triangular ridge

a. Snake eyes
b. No central groove

A

MN 1st premolar

87
Q

has the most pronounced developmental Marginal groove of any MX tooth

A

MX 1st premolar

88
Q

Mesial surface of the crown of the ____ _______ is almost parallel to the long axis

89
Q

GREATEST CEJ dip of all teeth

A

Mesial of the MX Central Incisor

90
Q

tooth that has the longest root of any other tooth

91
Q

The first succedaneous tooth to erupt in the mouth is the

A

permanent mandibular central incisor -

MN first molars arent considered succedaneous

92
Q

tooth that has the greatest Fa-Li crown dimension of any anterior tooth

93
Q

Tooth with mesio-distal measurement that is nearly identical to facio-lingual

A

MX lateral

94
Q

Front to back except _____; lowers before uppers except _____

A

canines, laterals

95
Q

most bilaterally symmetrical tooth

A

Primary and permanent mandibular central incisor

96
Q

is the only premolar that frequently only has one pulp horn

A

MN 1st premolar

97
Q

most symmetrical crown

A

MN centrals

98
Q

Tooth with a 54 has an anatomical feature, a DL groove that complicates root planning

A

MX lateral incisors

99
Q

two teeth that generally occlude with only one opposing tooth

A

MN central incisors and MX third molars

100
Q

What is the order for PERMANENT maxillary teeth cusp ridge lengths starting with the mesial Canine and ending with the distal of second premolar?

A

Short -> Long -> Long -> Short -> Short-> Long

101
Q

has longest crown dimension of any other tooth

102
Q

B and L embrasures may be same size

A

MN centrals

103
Q

Longest root –>

Longest mandibular root –>

A

Mx Canine

Mn Canine

104
Q

The disto-incisal angle of the _____ _______ has the greatest convexity of all MX anterior teeth

A

MX lateral

105
Q

has a continuous convex facial surface from incisal to apical end

106
Q

CEJ dips deeper on mesial or distal?

107
Q

tooth that has the greatest Fa-Li axial inclination

A

MX central

108
Q

which MN incisor mesio-distal width wider?

A

MN laterals

109
Q

Two teeth most often congenitally missing

A

Third Molars

MX lateral incisors

110
Q

Narrower mesio-distal width:

MX lateral incisor or MX central incisor

A

MX lat is narrower

111
Q

CEJ dips deeper on MX or MD?

112
Q

Premolar that is most likely to have a crescent-shaped central developmental groove is

A

MN 2nd premolar

113
Q

has incisal edge lingual to long axis (opposite to MX canine)

114
Q

in cervical cross section the root of the MN canine is _______ in a _____ _______direction

A

flattened in a mesio-distal direction

115
Q

MX tooth that has the smallest mesio-distal crown width

A

MX lateral incisor

116
Q

The premolar with the steepest cusp inclines

A

MX 1st premolar

117
Q

tooth that from a proximal view tends to be positioned with the most nearly vertical axis

118
Q

Tooth that has distal contact that is farthest cervically of any incisor (usually very incisal)

A

MX lateral

119
Q

CEJ dips deeper on MX central or lateral?

120
Q

The cervical cross section of the MX 1st premolar exhibits a ______ ____ shaped pulp chamber floor

A

kidney bean

121
Q

CEJ dips deeper on anterior or posterior?

122
Q

The facial cusp of the __ ____ ______ is offset to the distal

A

MX 1st premolar

123
Q

Mamelons that remain beyond the age of 10 generally indicate an

Oral Anatomy - 300 (No Molars/Primary) (2 decks)

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