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Dental Anatomy > Heights of Contour; Eruption/Calcifications > Flashcards

Heights of Contour; Eruption/Calcifications Flashcards

1
Q

Mand Cent HoC’s:

  1. Lingual =
  2. Facial =
  3. Mesial =
  4. Distal =
A
  1. Lingual = Cervical
  2. Facial = Cervical
  3. Mesial = Incisal
  4. Distal = Incisal
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2
Q

Max Cent HoC’s:

  1. Lingual =
  2. Facial =
  3. Mesial =
  4. Distal =
A
  1. Lingual = Cervical
  2. Facial = Cervical
  3. Mesial = Incisal
  4. Distal = Jxn of Middle & Incisal
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3
Q

Mand Lat HoC’s:

  1. Lingual =
  2. Facial =
  3. Mesial =
  4. Distal =
A
  1. Lingual = Cervical
  2. Facial = Cervical
  3. Mesial = Incisal
  4. Distal = Incisal
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4
Q

Max Lat HoC’s:

  1. Lingual =
  2. Facial =
  3. Mesial =
  4. Distal =
A
  1. Lingual = Cervical
  2. Facial = Cervical
  3. Mesial = Jxn of Middle & Incisal
  4. Distal = MIDDLE OF MIDDLE
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5
Q

Mand Canines HoC’s:

  1. Lingual =
  2. Facial =
  3. Mesial =
  4. Distal =
A
  1. Lingual = Cervical
  2. Facial = Cervical
  3. Mesial =Incisal
  4. Distal = Middle
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6
Q

Max 1st PM HoC’s:

  1. Lingual =
  2. Facial =
  3. Mesial =
  4. Distal =
A
  1. Lingual = Middle
  2. Facial = Cervical/Gingival
  3. Mesial = Middle
  4. Distal = Middle
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7
Q

Mand 1st PM HoC’s:

  1. Lingual =
  2. Facial =
  3. Mesial =
  4. Distal =
A
  1. Lingual = Middle
  2. Facial = Cervical/Gingival
  3. Mesial = Middle
  4. Distal = Middle
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8
Q

Max 2nd PM HoC’s:

  1. Lingual =
  2. Facial =
  3. Mesial =
  4. Distal =
A
  1. Lingual = Middle
  2. Facial = Cervical/Gingival
  3. Mesial = Middle
  4. Distal = Middle
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9
Q

Mand 2nd PM HoC’s:

  1. Lingual =
  2. Facial =
  3. Mesial =
  4. Distal =
A
  1. Lingual = OCCLUSAL
  2. Facial = Cervical/Gingival
  3. Mesial = Middle
  4. Distal = Middle
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10
Q

Max Canines HoC’s:

  1. Lingual =
  2. Facial =
  3. Mesial =
  4. Distal =
A
  1. Lingual = Cervical
  2. Facial = Cervical
  3. Mesial = Jxn of Middle & Incisal
  4. Distal = MIDDLE OF MIDDLE
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11
Q

Lingual HoC for Ant Teeth are in ____?

A

Cervical 3rd

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12
Q

Lingual HoC for Post Teeth are in ____? Who is the exception? Where is its HOC?

A

Middle ; Mand 2nd PM = Occlusal

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13
Q

Facial HoC for Post Teeth are in ____?

A

Cervical 3rd

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14
Q

Facial HoC for Ant Teeth are in ____?

A

Cervical 3rd

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15
Q

Mesial HoC for the Max Lat?

A

Jxn of Middle and Incisal

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16
Q

Distal HoC from the Max Cent?

A

Jxn of Middle & Incisal

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17
Q

Mesial HoC for the Max Canine

A

Jxn of Middle and Incisal

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18
Q

3 teeth with MIDDLE OF MIDDLE HOC and which side/view?

A
  1. Max Lat ; Distal = MoM
  2. Max Canine ; Distal MoM
  3. Max 1st Molar: Distal = MoM
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19
Q

Lingual HoC for the Mand 2nd PM?

A

OCCLUSAL

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20
Q

True/False:

General Rule = FACIAL HoC for post teeth are in the GINGIVAL 3rd AND LINGUAL HoC for post teeth are in the MIDDLE 3rd?

A

True

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21
Q

Lingual embrasures are LARGER than facial embrasures for all teeth…EXCEPT:

A

The distal AND mesial of max. 1st molars in which the buccal is Larger due to the basic shape of the tooth.

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22
Q

Max 1st Molar HoC’s:

  1. Lingual =
  2. Facial =
  3. Mesial =
  4. Distal =
A
  1. Lingual = Middle
  2. Facial = cervical
  3. Mesial = jxn of middle and occlusal 3rds
  4. Distal = MOM- middle of the middle
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23
Q

Mand 1st Molar HoC’s:

  1. Lingual =
  2. Facial =
  3. Mesial =
  4. Distal =
A
  1. Lingual = Middle
  2. Facial = Cervical (mid-cervical) 3rd
  3. Mesial = jxn of the middle and occlusal
  4. Distal = Middle
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24
Q

Max 2nd Molar HoC’s:

  1. Lingual =
  2. Facial =
  3. Mesial =
  4. Distal =
A
  1. Lingual = Cervical
  2. Facial = Middle
  3. Mesial = Middle
  4. Distal = Middle
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25
Q

Mand 2nd Molar HoC’s:

  1. Lingual =
  2. Facial =
  3. Mesial =
  4. Distal =
A
  1. Lingual = Middle
  2. Facial = Cervical ( buccal buldge)
  3. Mesial = Middle
  4. Distal = Middle
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26
Q

Largest occlusal embrasure in oral cavity occurs

A

B/w Max Canine – 1st pm (middle)

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27
Q

Largest incisal embrasure

A

M-J ; Max Lat – Max Canine

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28
Q

2nd largest embrasure

A

I-I ; Mand Lat – Mand Canine

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29
Q

3rd largest embrasure

A

J-J ; Max Cent - Max Lat

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30
Q

3rd SMALLEST embrasure

A

I-I ; Max Centrals

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31
Q

2nd Smallest embrasure

A

I-I ; Mand Cent – Mand Lat

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32
Q

SMALLEST embrasure

A

I-I Mand Centrals

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33
Q

Contain Oblique ridges

A

Maxillary Molars

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34
Q

Calcification: @birth

Eruption: 6 yrs

A

Perm Mandibular 1st Molar

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35
Q

Calcification: @ birth

Eruption: 6 yr

A

Perm Maxillary 1st Molar

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36
Q

Calcification: 3-4 mo

Eruption: 6-7yrs

A

Perm Mand Centrals

37
Q

Calcification: 3-4 mo

Eruption: 7-8 yrs

A

Perm Max Centrals

38
Q

Calcification: 3-4 mo

Eruption: 7-8yrs

A

Perm Mand Lateral

39
Q

Calcification: up to 1 yr

Eruption: 8-9 yrs

A

Perm Max laterals

40
Q

Calcification: 4-5 mo

Eruption: 9-10 yrs

A

Perm Mand Canine

41
Q

Calcification: 1.5-1.75 yrs

Eruption: 10-12 yrs

A

Perm Max 1st PM

42
Q

May erupt with 3 pulp horn

A

Max central

43
Q

Triangularly shaped pulp morphology

A

Perm Max Central ; Decid Max Canine

44
Q

Maxillary teeth wear facet is ___, whereas Mandibular is _____?

A

Lingual ; Facial

45
Q

??? All teeth converge lingually except?

A

Perm Max 1st molar

46
Q

Widest permanent tooth MD

A

Perm Max Central

47
Q

3rd longest perm crown

A

Perm Max Canine

48
Q

2nd longest permanent crown

A

Perm Max central

49
Q

Most challenging to restore esthetically

A

Perm Max central

50
Q

Calcification: 1.75-2

Eruption: 10-12 yrs

A

Perm Mand 1st PM

51
Q

Calcification: 2-2.25 yrs

Eruption: 10-12 yrs

A

Perm Max 2nd PM

52
Q

Calcification: 2.25-2.5 yrs

Eruption: 11-12 yrs

A

Perm Mand 2nd PM

53
Q

Calcification: 4-5 mo

Eruption: 11-12 yrs

A

Perm Max Canine

54
Q

Last Succedaneous tooth to erupt?

A

Perm Max Canine

55
Q

Calcification: 2.5-3 yrs

Eruption: 11-13 yrs

A

Perm Mand 2nd Molar

56
Q

Calcification: 2.5-3 yrs

Eruption: 12 yrs

A

Perm Max 2nd Molar

57
Q

Teeth with Distal MOM HoC

A

Perm Max Lateral ;
Perm Max Canine
Perm Max 1st Molar

58
Q

Hoc in the Occlusal 3rd lingually

A

Mand 2nd PM

59
Q

Kindey shaped pulp morphology

A

Max 1st PM

60
Q

Star fished shaped pulp morph with 5 pulp horns ; canal bifurcation (3) = 65%

A

Mand 1st Molar

61
Q

Perm Teeth that develop from 5 lobes?

Deciduous?

A

Perm Max and Mand 1st Molars and Mand 2nd PM 3-cusp type ;

Deciduous 2nd Molars

62
Q

Teeth with ovoid pulp morph and two small pulp horns that disappear with age?

A

Mand Centrals- 1 canal 70% ; 2 = 30%
(mesial depression)
and Laterals - 1 canal 57% ; 2 = 43%
(if bifurc - FL vs pulp horns which are MD)

63
Q

Teeth that touch only ONE other tooth in the mouth

Mand Centrals (only tooth with HoC at same lvl) and

A

!!

64
Q

4 types of CEJ

A

Type 1. Enamel meets Cementum (gumline) perfectly

Type 2. Cementum covers enamel –> sensitivity– enamel is a-cellular ; cementum has nerve endings

Type 3. Enamel covers cementum

Type 4. No overlap ; space b/w cementum and enamel exposed root strx

65
Q

Contours of all permanent teeth are generally either flat or slightly convex
EXCEPT

A

The mesial surface of the Max 1st PM , which possesses a concavity

and distal surface of the Max 1st Molar, which also possesses a notable concavity.

66
Q

Incisal Facial Embrasure from Largest to smallest?

A

L–> S

  1. Max Can - Max 1 PM
  2. Max lat - Max Can (M-J)
  3. Mand lat - can (I-I)
  4. Max Cent- Lat (J-J)
  5. Mand Cent - Lat (I-I)
  6. Max Cent - Cent (I-I)
  7. Mand Cent - Cent (I-I)
67
Q

Pre-molars from in the _____ of baby molars?

A

Furcation

68
Q

Ranking of Crown lengths:

A

1st longest = Mand Canine
2nd longest = Max Cent
3rd longest crown = Max canine ( Longest tooth)

69
Q

Strongest most dvlp facial lobe/ridge

A

Max Canine

70
Q

Fissured grooves:

A

Max Lat ( palatoradicular)
Max 1st Molar (Lingual)
DOG

71
Q

Deeper Distal (vs Mesial) root depression

A

Perm Max Canine

72
Q

Largest PM in mouth

A

Max 1st PM

73
Q

Mesial Marginal Developmental Ridge is specific to which tooth

A

Max 1st PM

74
Q

Most commonly missing Teeth listed acc to decreasing frequency:

A

3rd molars
Max Lat
Mand 2PM

75
Q

Mesial Marginal Developmental Ridge is specific to which tooth

A

Max 1st PM - extends from central groove

76
Q

Distal contact on max 1pm occurs a little

A

buccal

77
Q

Only tooth with a mesiolingual developmental groove that develops from the central pit?

A

Mand 1st PM

78
Q

Only tooth with a mesiolingual developmental groove that develops from a pit?

A

Mand 1st PM

79
Q

From the occlusal view, the mand 1st pm is what shape?

A

Diamond shaped

80
Q

Tooth with insignificant lingual pulp horn that will likely bifurcate ( ovoid pulp shape)

A

Mand 1st PM

81
Q

Mand 2nd PM 3 cusped type shape:

Mand 2nd PM 2 cusped type shape:

A

3 cusped = square

2 cusped = round

82
Q

In which tooth does the Mesial, Distal, and Lingual grooves form a Y shape ; H- Shape?

A 
y = mand 2nd PM 3 cusped type
h= mand 2nd PM
83
Q

Calcification: 2.5 yrs

Eruption: 12 yrs

A

Perm Max 2nd Molar

84
Q

Tooth with a fluted pulp morphology ; also least likely to have two canals or tow roots (of this type)

A

Mand 2nd PM

85
Q

4-5 mo calcifying teeth

A

Canines

86
Q

From a proximal view the perm MAND incisors have their incisal edge :

A

Lingual to their apex

87
Q

From a proximal view the perm MAX canine have a cusp tip :

A

Facial to the long axis of the tooth

88
Q

Mandibular Post teeth have a ___ shape from the facial and Lingual but have a ___ shape from the proximal?

A

Trapezoidal ( FL)

Rhombidal (MD)

89
Q

which PM has a non-functioning lingual cusp?

A

Mand 1st PM

Dental Anatomy (1 decks)

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