300 Dental Anatomy Facts Flashcards

1
Q

The lingual concavity of the maxillary anterior teeth is most influenced by

A

The lingual concavity of the maxillary anterior teeth is most influenced by the side shift of the mandible

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2
Q

The incisal embrasure between maxillary central incisors is [BIGGER/SMALLER] than the embrasure between central incisors and lateral incisors

A

SMALLER embrasure between max centrals than between central and lateral.

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3
Q

Which structure on an incisor is the first to calcify?

A

The incisal edge of anterior teeth is the first to calcify.

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4
Q

In delayed resorption of primary incisors, the permanent incisors will erupt in which direction?

A

In delayed resorption of primary incisors, the permanent incisors will erupt LINGUALLY.

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5
Q

When viewed from the proximal, what is the geometric shape of incisors?

A

When viewed from the proximal, the geometric shape of incisors is TRIANGULAR.

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6
Q

From how many lobes are anterior teeth formed?

A

Anterior teeth are formed from FOUR LOBES.

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7
Q

Which posterior teeth are wider mesiodistally than faciolingually?

A

MANDIBULAR MOLARS are the only posterior teeth that are wider mesiodistally than faciolingually.

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8
Q

What is the relationship between the number of cusps in posterior teeth and the number of lobes?

A

They are correlated.

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9
Q

Which anterior teeth are wider mesiodistally than faciolingually?

A

maxillary incisors are wider mesiodistally than faciolingually

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10
Q

The contact between the maxillary central incisor and lateral incisor does what to the embrasure sizes?

A

The contact between CI and LI make the lingual embrasure larger than the facial embrasure.

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11
Q

In maxillary premolars, the lingual cusp is offset to the

A

In max PM, the lingual cusp is offset to the mesial. The first PM is tilted more than the second PM.

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12
Q

Which premolars are wider faciolingually than mesiodistally?

A

ALL premolars are wider faciolingually than mesiodistally.

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13
Q

From the occlusal view, which angles tend to be acute in maxillary molars?

A

Mesiofacial and distolingual are ACUTE.

MF and DL = ACUTE.

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14
Q

From the occusal view, which angles tend to be obtuse in maxillary molars?

A
Mesiolingual and distofacial are OBTUSE
ML and DF = OBTUSE.    
[the ML-class is an OBTUSE vehicle]
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15
Q

Which cusp of the maxillary first molar occludes with the central fossa of the mandibular first molar?

A
The MesioLingual cusp occludes with the central fossa of the mandibular first molar.
[think of an ML-class vehicle driving through the fossa]
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16
Q

The oblique ridge of maxillary molars connects which cusps?

A

The oblique ridge connects the ML and DF cusps.

The oblique ridge coincide with the obtuse corners