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Morph. > Primary Dentition II (Ye's Version) > Flashcards

Primary Dentition II (Ye's Version) Flashcards

1
Q

Primary: maxillary 1st molar resembles a?

A

Permanent PREMOLAR

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2
Q

Primary: maxillary 2nd molar resembles a?

A

Permanent Maxillary 1st molar

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3
Q

Primary Mandibular 1st molar resembles a?

A

DOES NOT resemble any other tooth?

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4
Q

Primary mandibular 2nd molar resembles a?

A

Permanent mandibular 1st molar

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5
Q

Primary Maxillary 1st Molar: resembles

Tooth crown resembles a _______

A

Premolar

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6
Q

Primary Maxillary 1st Molar: resembles

______ roots: 2 buccal, 1 lingual

A

3

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7
Q

Primary Maxillary 1st Molar: resembles

_______ shaped occlusal surface

A

Triangular

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8
Q

Primary Maxillary 1st Molar: resembles

How many cusps?

A

3 or 4

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9
Q

Primary Maxillary 1st Molar: resembles

if it has 3 cusps? 2 facial and 1 lingual
if it has 4 cusps? 2 facial and 2 lingual

A

In Q

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10
Q

Primary Maxillary 1st Molar: Buccal view

_______ cervix relative to width of crown

A

NARROW

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11
Q

Primary Maxillary 1st Molar: Buccal view

Cusps ______ -defined

A

Poorly

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12
Q

Primary Maxillary 1st Molar: Buccal view

Much _______ tooth than primary maxillary 2nd molar - almost premolar like

A

Smaller

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13
Q

Primary Maxillary 1st Molar: Buccal view

MB cusp is _______ than DB cusp

A

Larger

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14
Q

Primary Maxillary 1st Molar: Buccal view

Roots are ______, ______, and ______ spread

A

Long, slender, WIDE

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15
Q

Primary Maxillary 1st Molar: Buccal view

How many roots are VISIBLE?

A

All 3

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16
Q

Primary Maxillary 1st Molar: Buccal view

Root trunk is _______

A

Short (CEJ to FURCATION)

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17
Q

Primary Maxillary 1st Molar: Buccal view

How many buccal roots?

A

2 buccal roots

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18
Q

Primary Maxillary 1st Molar: Lingual view

Crown converges toward the ________

A

Lingual

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19
Q

Primary Maxillary 1st Molar: Lingual view

How many cusps? if it has multiple how which one is larger?

A

1 or 2
ML > DL

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20
Q

Primary Maxillary 1st Molar: Lingual view

_____ cusp is the largest and longest cusp on this tooth

A

ML

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21
Q

Primary Maxillary 1st Molar: Lingual view

_____ cusp small or absent. One lingual root - largest root.

A

DL

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22
Q

Primary Maxillary 1st Molar: Lingual view

How many lingual roots?

A

One. It’s the LARGEST too

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23
Q

Primary Maxillary 1st Molar: MESIAL AND DISTAL views

Crown is _______ in the cervical 1/3

A

Widest

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24
Q

Primary Maxillary 1st Molar: MESIAL AND DISTAL views

Crown is narrower on the _______ (buccolingually) than on the _______

A

Distal than mesial

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25
Q

Primary Maxillary 1st Molar: MESIAL AND DISTAL views

Very prominent _________ on the MB aspect of the tooth. OUTSTANDING CHARACTERISTIC

A

CONVEXity

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26
Q

Primary Maxillary 1st Molar: Occlusal view

Roughly _______ in outline, with the broad base buccally.

A

Triangular

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27
Q

Primary Maxillary 1st Molar: Occlusal view

____ cusp is the largest, longest, and sharpest

A

ML

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28
Q

Primary Maxillary 1st Molar: Occlusal view

____ cusp is smallest and may be absent

A

DL

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29
Q

Primary Maxillary 1st Molar: Occlusal view

Occlusal surface has:

  • cantral fossa
    -mesial triangular fossa, distal triangular fossa
    -central, buccal, and distal developmental grooves
  • mesial pit and central pit
    -oblique ridge connecting ML to DB cusps
A

in Q

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30
Q

Primary Maxillary 2nd Molar:

Resembles permanent ___________

A

Maxillary 1st molar

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31
Q

Primary Maxillary 2nd Molar:

_______ in outline

A

Rhomboidal

32
Q

Primary Maxillary 2nd Molar:

What 4 cusps?

A

ML, MB, DB, DL cusps

33
Q

Primary Maxillary 2nd Molar:

Has accessory cusp - ___________

A

Tubercle/cusp of carabelli

34
Q

Primary Maxillary 2nd Molar:

Contains an _______ ridge

A

Oblique

35
Q

Primary Maxillary 2nd Molar:

Same fossae and grooves as permanent 1st molar

A

In Q

36
Q

Primary Maxillary 2nd Molar:

How many roots? What are they?

A

3 roots: MB, DB, and L

37
Q

Primary Maxillary 2nd Molar: Comparison with permament

Primary trifurcation is _______ to CEJ. meaning a ______ root trunk

A

CLOSE; Short

38
Q

Primary Maxillary 2nd Molar: Comparison with permament

Primary cervix is _________ MD compared to the MD diameter at the contact points.

A

NARROWER

39
Q

Primary Maxillary 2nd Molar: Comparison with permament

These teeth may be confused clincically. The deciduous maxillary 2nd molar is ______

A

Smaller

40
Q

Primary Mandibular 1st molar:

Does it resemble any other tooth?

A

NO

41
Q

Primary Mandibular 1st molar:

How many cusps? What are they?

A

4: MB, ML, DB, DL

42
Q

Primary Mandibular 1st molar:

How many roots?

A

2 roots (MESIAL AND DISTAL) just like permanent mandibular molars

43
Q

Primary Mandibular 1st molar: Buccal view

Crown height on mesial is ______ that of distal

A

Twice

44
Q

Primary Mandibular 1st molar: Buccal view

CEJ tips ______ on ______

A

apically on the mesial

45
Q

Primary Mandibular 1st molar: Buccal view

Mesial contour is ________

A

Straight/flat

46
Q

Primary Mandibular 1st molar: Buccal view

Distal is markedly ________

A

Convex

47
Q

Primary Mandibular 1st molar: Buccal view

How many buccal cusps?

A

2

48
Q

Primary Mandibular 1st molar:

Roots are _________ and _______ splayed

A

Slender; Widely

49
Q

Primary Mandibular 1st molar: Buccal view

Extremely prominent MB _________

A

Convexity

50
Q

Primary Mandibular 1st molar: Buccal view

Prominent _______ line angle

A

MB

51
Q

Primary Mandibular 1st molar: Buccal view

Prominent ______ cervical ridge

A

MB

52
Q

Primary Mandibular 1st molar: Lingual view

_____ and ____ cusps

A

ML and DL cusps

53
Q

Primary Mandibular 1st molar: Lingual view

______ cusp is centered in the tooth (very important)

A

ML cusp

54
Q

Primary Mandibular 1st molar: Lingual view

ML cusp is in line with the ______ root

A

Mesial

55
Q

Primary Mandibular 1st molar: Lingual view

____________ is very well-developed and looks almost like another cusp.

A

Mesial marginal ridge

56
Q

Primary Mandibular 1st molar: Mesial and Distal views

Extreme ________ buccally on the MB cusp

A

Convexity

57
Q

Primary Mandibular 1st molar: Mesial and Distal views

__________ buccal surface especially when viewed from the mesial.

A

Flattened

58
Q

Primary Mandibular 1st molar: Mesial and Distal views

_________ appearance of the mesial root

A

Rectangular

59
Q

Primary Mandibular 1st molar: Mesial and Distal views

_______ root tapers at the apex

A

Distal

60
Q

Primary Mandibular 1st molar: Occlusal view

_________ in outline

A

Rhomboidal

61
Q

Primary Mandibular 1st molar: Occlusal view

How many cusps? what are they

A

4 cusps. ML, MB, DL, and DB

62
Q

Primary Mandibular 1st molar: Occlusal view

cusp is the largest and centered in the lingual aspect.

A

ML

63
Q

Primary Mandibular 1st molar: Occlusal view

Mesial and distal triangular fossae joined by the __________________-

A

Central developmental groove

64
Q

Primary Mandibular 1st molar: Occlusal view

Mesial and central _____

A

Pit

65
Q

Primary Mandibular 2nd molar:

Closely resembles the permanent ______________

A

Mandibular 1st molar

66
Q

Primary Mandibular 2nd molar:

How many cusps? What are they?

A

5 cusps: 3 buccal/2 lingual

67
Q

Primary Mandibular 2nd molar:

3 buccal cusps are _______ in size

A

equal

68
Q

Primary Mandibular 2nd molar:

______ cusp is larger compared to the permanent mandibular 1st molar

A

Distal

69
Q

Primary Mandibular 2nd molar:

2 lingual cusps _____ in size

A

Equal

70
Q

Primary Mandibular 2nd molar: Comparison with permanent mandibular 1st molar

Bifurcation of root is ______ to CEJ

A

Close

71
Q

Primary Mandibular 2nd molar: Comparison with permanent mandibular 1st molar

Roots are ______

A

Flared

72
Q

Primary Mandibular 2nd molar: Comparison with permanent mandibular 1st molar

3 buccal cusps _______ in size

A

Equal

73
Q

Primary Mandibular 2nd molar: Comparison with permanent mandibular 1st molar

Cervical ________

A

constriction

74
Q

Other important facts:

What is primate space?

A

Space that exists mesial to the primary max canine and distal to the primary mandibular canine in some decidous dentitions. named after an equal space found in primate dentition

75
Q

Other important facts:

What is the leeway space?

A

Combined MD widths of permanent premolars and permanent canine is less than the combined MD widths of the primary molars and primary canine.

Morph. (29 decks)

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