Heights of Contour; Eruption/Calcifications Flashcards
1
Q
Mand Cent HoC’s:
- Lingual =
- Facial =
- Mesial =
- Distal =
A
- Lingual = Cervical
- Facial = Cervical
- Mesial = Incisal
- Distal = Incisal
2
Q
Max Cent HoC’s:
- Lingual =
- Facial =
- Mesial =
- Distal =
A
- Lingual = Cervical
- Facial = Cervical
- Mesial = Incisal
- Distal = Jxn of Middle & Incisal
3
Q
Mand Lat HoC’s:
- Lingual =
- Facial =
- Mesial =
- Distal =
A
- Lingual = Cervical
- Facial = Cervical
- Mesial = Incisal
- Distal = Incisal
4
Q
Max Lat HoC’s:
- Lingual =
- Facial =
- Mesial =
- Distal =
A
- Lingual = Cervical
- Facial = Cervical
- Mesial = Jxn of Middle & Incisal
- Distal = MIDDLE OF MIDDLE
5
Q
Mand Canines HoC’s:
- Lingual =
- Facial =
- Mesial =
- Distal =
A
- Lingual = Cervical
- Facial = Cervical
- Mesial =Incisal
- Distal = Middle
6
Q
Max 1st PM HoC’s:
- Lingual =
- Facial =
- Mesial =
- Distal =
A
- Lingual = Middle
- Facial = Cervical/Gingival
- Mesial = Middle
- Distal = Middle
7
Q
Mand 1st PM HoC’s:
- Lingual =
- Facial =
- Mesial =
- Distal =
A
- Lingual = Middle
- Facial = Cervical/Gingival
- Mesial = Middle
- Distal = Middle
8
Q
Max 2nd PM HoC’s:
- Lingual =
- Facial =
- Mesial =
- Distal =
A
- Lingual = Middle
- Facial = Cervical/Gingival
- Mesial = Middle
- Distal = Middle
9
Q
Mand 2nd PM HoC’s:
- Lingual =
- Facial =
- Mesial =
- Distal =
A
- Lingual = OCCLUSAL
- Facial = Cervical/Gingival
- Mesial = Middle
- Distal = Middle
10
Q
Max Canines HoC’s:
- Lingual =
- Facial =
- Mesial =
- Distal =
A
- Lingual = Cervical
- Facial = Cervical
- Mesial = Jxn of Middle & Incisal
- Distal = MIDDLE OF MIDDLE
11
Q
Lingual HoC for Ant Teeth are in ____?
A
Cervical 3rd
12
Q
Lingual HoC for Post Teeth are in ____? Who is the exception? Where is its HOC?
A
Middle ; Mand 2nd PM = Occlusal
13
Q
Facial HoC for Post Teeth are in ____?
A
Cervical 3rd
14
Q
Facial HoC for Ant Teeth are in ____?
A
Cervical 3rd
15
Q
Mesial HoC for the Max Lat?
A
Jxn of Middle and Incisal
16
Q
Distal HoC from the Max Cent?
A
Jxn of Middle & Incisal
17
Q
Mesial HoC for the Max Canine
A
Jxn of Middle and Incisal
18
Q
3 teeth with MIDDLE OF MIDDLE HOC and which side/view?
A
- Max Lat ; Distal = MoM
- Max Canine ; Distal MoM
- Max 1st Molar: Distal = MoM
19
Q
Lingual HoC for the Mand 2nd PM?
A
OCCLUSAL
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
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.
22
Q
Max 1st Molar HoC’s:
- Lingual =
- Facial =
- Mesial =
- Distal =
A
- Lingual = Middle
- Facial = cervical
- Mesial = jxn of middle and occlusal 3rds
- Distal = MOM- middle of the middle
23
Q
Mand 1st Molar HoC’s:
- Lingual =
- Facial =
- Mesial =
- Distal =
A
- Lingual = Middle
- Facial = Cervical (mid-cervical) 3rd
- Mesial = jxn of the middle and occlusal
- Distal = Middle
24
Q
Max 2nd Molar HoC’s:
- Lingual =
- Facial =
- Mesial =
- Distal =
A
- Lingual = Cervical
- Facial = Middle
- Mesial = Middle
- Distal = Middle
25
Mand 2nd Molar HoC's:
1. Lingual =
2. Facial =
3. Mesial =
4. Distal =
1. Lingual = Middle
2. Facial = Cervical ( buccal buldge)
3. Mesial = Middle
4. Distal = Middle
26
Largest occlusal embrasure in oral cavity occurs
B/w Max Canine -- 1st pm (middle)
27
Largest incisal embrasure
M-J ; Max Lat -- Max Canine
28
2nd largest embrasure
I-I ; Mand Lat -- Mand Canine
29
3rd largest embrasure
J-J ; Max Cent - Max Lat
30
3rd SMALLEST embrasure
I-I ; Max Centrals
31
2nd Smallest embrasure
I-I ; Mand Cent -- Mand Lat
32
SMALLEST embrasure
I-I Mand Centrals
33
Contain Oblique ridges
Maxillary Molars
34
Calcification: @birth
Eruption: 6 yrs
Perm Mandibular 1st Molar
35
Calcification: @ birth
Eruption: 6 yr
Perm Maxillary 1st Molar
36
Calcification: 3-4 mo
Eruption: 6-7yrs
Perm Mand Centrals
37
Calcification: 3-4 mo
Eruption: 7-8 yrs
Perm Max Centrals
38
Calcification: 3-4 mo
Eruption: 7-8yrs
Perm Mand Lateral
39
Calcification: up to 1 yr
Eruption: 8-9 yrs
Perm Max laterals
40
Calcification: 4-5 mo
Eruption: 9-10 yrs
Perm Mand Canine
41
Calcification: 1.5-1.75 yrs
Eruption: 10-12 yrs
Perm Max 1st PM
42
May erupt with 3 pulp horn
Max central
43
Triangularly shaped pulp morphology
Perm Max Central ; Decid Max Canine
44
Maxillary teeth wear facet is ___, whereas Mandibular is _____?
Lingual ; Facial
45
??? All teeth converge lingually except?
Perm Max 1st molar
46
Widest permanent tooth MD
Perm Max Central
47
3rd longest perm crown
Perm Max Canine
48
2nd longest permanent crown
Perm Max central
49
Most challenging to restore esthetically
Perm Max central
50
Calcification: 1.75-2
Eruption: 10-12 yrs
Perm Mand 1st PM
51
Calcification: 2-2.25 yrs
Eruption: 10-12 yrs
Perm Max 2nd PM
52
Calcification: 2.25-2.5 yrs
Eruption: 11-12 yrs
Perm Mand 2nd PM
53
Calcification: 4-5 mo
Eruption: 11-12 yrs
Perm Max Canine
54
Last Succedaneous tooth to erupt?
Perm Max Canine
55
Calcification: 2.5-3 yrs
Eruption: 11-13 yrs
Perm Mand 2nd Molar
56
Calcification: 2.5-3 yrs
Eruption: 12 yrs
Perm Max 2nd Molar
57
Teeth with Distal MOM HoC
Perm Max Lateral ;
Perm Max Canine
Perm Max 1st Molar
58
Hoc in the Occlusal 3rd lingually
Mand 2nd PM
59
Kindey shaped pulp morphology
Max 1st PM
60
Star fished shaped pulp morph with 5 pulp horns ; canal bifurcation (3) = 65%
Mand 1st Molar
61
Perm Teeth that develop from 5 lobes?
| Deciduous?
Perm Max and Mand 1st Molars and Mand 2nd PM 3-cusp type ;
| Deciduous 2nd Molars
62
Teeth with ovoid pulp morph and two small pulp horns that disappear with age?
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
Teeth that touch only ONE other tooth in the mouth
Mand Centrals (only tooth with HoC at same lvl) and
!!
64
4 types of CEJ
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
Contours of all permanent teeth are generally either flat or slightly convex
EXCEPT
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
Incisal Facial Embrasure from Largest to smallest?
L--> S
0. Max Can - Max 1 PM
1. Max lat - Max Can (M-J)
2. Mand lat - can (I-I)
3. Max Cent- Lat (J-J)
4. Mand Cent - Lat (I-I)
5. Max Cent - Cent (I-I)
6. Mand Cent - Cent (I-I)
67
Pre-molars from in the _____ of baby molars?
Furcation
68
Ranking of Crown lengths:
1st longest = Mand Canine
2nd longest = Max Cent
3rd longest crown = Max canine ( Longest tooth)
69
Strongest most dvlp facial lobe/ridge
Max Canine
70
Fissured grooves:
Max Lat ( palatoradicular)
Max 1st Molar (Lingual)
DOG
71
Deeper Distal (vs Mesial) root depression
Perm Max Canine
72
Largest PM in mouth
Max 1st PM
73
Mesial Marginal Developmental Ridge is specific to which tooth
Max 1st PM
74
Most commonly missing Teeth listed acc to decreasing frequency:
3rd molars
Max Lat
Mand 2PM
75
Mesial Marginal Developmental Ridge is specific to which tooth
Max 1st PM - extends from central groove
76
Distal contact on max 1pm occurs a little
buccal
77
Only tooth with a mesiolingual developmental groove that develops from the central pit?
Mand 1st PM
78
Only tooth with a mesiolingual developmental groove that develops from a pit?
Mand 1st PM
79
From the occlusal view, the mand 1st pm is what shape?
Diamond shaped
80
Tooth with insignificant lingual pulp horn that will likely bifurcate ( ovoid pulp shape)
Mand 1st PM
81
Mand 2nd PM 3 cusped type shape:
| Mand 2nd PM 2 cusped type shape:
3 cusped = square
| 2 cusped = round
82
In which tooth does the Mesial, Distal, and Lingual grooves form a Y shape ; H- Shape?
```
y = mand 2nd PM 3 cusped type
h= mand 2nd PM
```
83
Calcification: 2.5 yrs
Eruption: 12 yrs
Perm Max 2nd Molar
84
Tooth with a fluted pulp morphology ; also least likely to have two canals or tow roots (of this type)
Mand 2nd PM
85
4-5 mo calcifying teeth
Canines
86
From a proximal view the perm MAND incisors have their incisal edge :
Lingual to their apex
87
From a proximal view the perm MAX canine have a cusp tip :
Facial to the long axis of the tooth
88
Mandibular Post teeth have a ___ shape from the facial and Lingual but have a ___ shape from the proximal?
Trapezoidal ( FL)
| Rhombidal (MD)
89
which PM has a non-functioning lingual cusp?
Mand 1st PM
