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TANGY > Dental Anatomy > Flashcards

Dental Anatomy Flashcards

1
Q

Primary teeth calcify …

A
  • in utero
  • 2nd trimester
  • 4-6 months
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2
Q

1st molars begin calcification

A

at Birth

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3
Q

Anteriors begin calcification

A

1 year

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4
Q

Premolars begin calcification

A

2nd year

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5
Q

2nd molars begin calcification

A

3 years

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6
Q

3rd molars begin calcification

A

7-9 yrs

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7
Q

Apices of permanent dentition are complete … years after eruption.

A

2.5

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8
Q

Apices of primary teeth are complete … years after eruption, by age …

A

1.5 years

3 years old

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9
Q

The mixed dention stage ends with the exfloiation of the primary …

A

maxillary canine

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10
Q

Calcification of the permanent 1st molar ends at …

A

2.5 - 3 years

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11
Q

Calcification of the permanent Central Incisor ends at …

A

3.5 years

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12
Q

Calcification of the permanent lateral incisor ends at …

A

4-5 years old

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13
Q

Calcification of the permanent canine ends at …

A

4 - 7 years old

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14
Q

Calcification of the permanent 1st premolar ends at …

A

5-6 years old

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15
Q

Calcification of the permanent 2nd premolar ends at …

A

5.5 - 7 years old

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16
Q

Calcification of the permanent 2nd molar ends at …

A

6 - 8 years old

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17
Q

Calcification of the permanent 3rd molar ends at …

A

13 - 16 years old

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18
Q

What color are primary teeth compared to adult teeth?

A

whiter and lighter than permanent

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19
Q

Primary teeth are more bulbous and constricted due to

A

smaller occlusal table

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20
Q

Where is the primate space on the mandible for primary teeth?

A

between the canine and 1st molar

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21
Q

Primary maxillary central incisor is wider … than …

A

M/D than Inciso-cervically

22
Q

What permanent tooth is like the primary 2nd molar?

A

permanent maxillary 1st molar

23
Q

Which primary tooth has a crown similar to a premolar and roots similar to a molar?

A

Maxillary 1st molar

24
Q

Primary maxillary and mandibular 1st molars have a

A

prominent cervical ridge

25
Q

What tooth is unlike any other tooth, it is the most unique primary or permanent tooth?

A

Mandibular 1st molar

  • 2 roots
  • 4 cusps
26
Q

Most prominent cusps on a primary mandibular 1st molar

A

MB and ML

Prominent transverse ridge connects them

27
Q

The primary mandibular 1st molar has 4 cusps, the ( ) is the largest, ( ) is the tallest and sharpest, and the ( ) are the smallest.

A
  • MB
  • ML
  • DB, DL
28
Q

Greatest mesial CEJ contour (cervical curvature) of all teeth

A

Maxillary CI

29
Q

Maxillary incisal edges are ( ) while mandibular incisal edges are ( ) to root axis, except ( ) which is ( ) to the root.

A
  • Centered
  • Lingual
  • Maxillary Canine
  • Facial
30
Q

Non-molar tooth most frequently has a mesial and distal pulp horn.

A

Maxillary CI

31
Q

Non-molar tooth that is least likely to have a bifurcated root.

A

Maxillary CI

32
Q

Maxillary CI is cut at the CEJ. What is the tooth outline?

A

Triangular

33
Q

When extracting a tooth, which is the easiest tooth to rotate due to its root shape?

A

Maxillary CI

roundest root form

34
Q

Primary max central incisors differ from permanent max centrals because they ( )

A

Do not have mamelons

35
Q

Compared to the maxillary CI, the maxillary canine is ( ) and has a ( )

A

wider B/L

longer root

36
Q

A girl has no caries except on her maxillary lateral, this is to to the ( ) that goes into the gingiva.

A

disto-lingual groove

37
Q

What part of the maxillary lateral incisor makes scaling difficult?

A

palato-radicular groove

Most common tooth to have this

38
Q

Which non-molar tooth is most likely to be trifurcated?

A

Maxillary 1st PM

39
Q

Posterior tooth with the greatest cervico-occlusal crown height (CEJ –> crown tip)

A

Maxillary 1st PM

40
Q

The maxillary 1st pm has the most pronounced ( ) of any maxillary tooth.

A

developmental marginal groove

41
Q

The maxillary 1st pm is the only permanent tooth with a longer ( ) than ( ) on the ( ). The only primary tooth exhibiting this is the ( ).

A
  • Mesial cusp ridge
  • Distal cusp ridge
  • Facial
  • primary maxillary canine
42
Q

The maxillary 1st pm has a prominent ( ) that can make scaling difficult, and a ( ) that makes adapting a matrix band difficult.

A
  • mesial marginal ridge groove
  • mesial concavity
43
Q

Kidney shaped root outline/pulp chamber

A

max 1st pm

44
Q

Premolar tooth with the steepest cusp inclines.

A

max 1st pm

45
Q

Most symmetrical posterior tooth.

A

max 2nd pm

46
Q

The maxillary 2nd pm looks “wrinkly” because it has a short ( ) with a lot of ( ).

A

short

supplemental grooves

47
Q

The max 2nd pm has ( ) and ( ) that are closest in size compares to any other posterior tooth.

A

fossa

2 cusps with equal height

48
Q

The max 2nd pm is the only premolar without a ( )

A

mesial root depression

49
Q

Which type of mandibular pm is the maxillary 1st most like?

A

H - type

50
Q

The lingual dimension is greater than buccal dimenstion.

A

Maxillary 1st molar

Cusp of Carabelli

51
Q

On the max 1st molar the oblique ridge is formed between ( ) and ( ) cusps.

A

ML

DB

52
Q

Which tooth is more likely to have 3 cusps?

A

Maxillary 2M (heart shape)

Mandibular 2PM

TANGY (13 decks)

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