Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

23 Growth and Development > 5 - Eruption and Occlusion in Permanent Dentition > Flashcards

5 - Eruption and Occlusion in Permanent Dentition Flashcards

1
Q

stages of eruption for permanent teeth

A
  1. follicular growth
  2. pre-emergent eruptive spurt
  3. post-emergent eruptive spurt
  4. juvenile occlusal equilibrium (eruption)
  5. circumpubertal eruptive spurt
  6. adult occlusal equilibrium
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is part of pre-emergent eruption

A
  1. follicular growth
  2. pre-emergent eruptive spurt
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is part of post-emergent eruption

A
  1. post-emergent eruptive spurt
  2. juvenile occlusal equilibrium (eruption)
  3. circumpubertal eruptive spurt
  4. adult occlusal equilibrium
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what are 2 necessary processes for pre-emergent eruption

A
  1. resorption of bone and primary tooth roots overlying crown of erupting tooth
  2. eruption mechanism must move tooth in the direction where path has been cleared
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

are the rate of bone resorption and the rate of tooth eruption controlled by the same physiological mech

A

no

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

is resorption the rate-limiting factor in pre-emergent eruption

A

yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Physiologic mechanism of eruption prior to emergence into the mouth and mechanism after a tooth emerges may be different

A

post-emergent eruption

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Theories of these physiologic mechanisms associated with permanent tooth eruption:

A
  1. Root growth
  2. Vascular pressure
  3. Bone growth
  4. Periodontal ligament traction (supported by animal studies)
  5. Connective tissue proliferation at the pulp apex (supported by animal studies)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what are variable influencing permanent tooth eruption

A

genetic, environmental, systemic, and local

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what factor:

familial, race, sex

A

genetic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what factor:

low birth rate, prematurity, and nutrition

A

environmental

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what factor:

Endocrine systems is contributory
High correlation with hypopituitarism and hypothyroidism & delayed eruption
Low correlation with altered growth

A

systemic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what factor:

Premature loss of primary tooth - may delay or accelerate eruption
Supernumerary teeth - will delay if in path of eruption
Trauma - may delay or accelerate eruption
Spacing - crowding may delay or alter eruption path

A

local

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

during time of crown formation, there is a very slow ___ drift in tooth follicle within the bone

A

labial/buccal drift

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

beginning of calcification to completion of enamel formation is approx how many years? exceptions?

A

approx 4-5 years
exception: 1M = 3 years, canines = 6 years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

each perm tooth starts to move toward occlusion when

A

at time of crown completion and start of root formation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

leading edge of perm crown breaks thru alveolar crest at what part of root development

A

2/3rd root development

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

eruption of perm tooth into oral cavity to root completion takes how long

A

about 3 years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

the interval between perm crown completion and eruption into occlusion is how many years

A

approx 5 years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

loss prior to crown completion of successor ___ eruption

A

delays

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

loss after crown completion of successor ___ eruption

A

accelerates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

loss of primary molar before age ___ delays eruption of perm PM

A

5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

loss of primary molar after age ___ accelerates eruption of permanent premolar

A

8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

what is the abnormal direction of tooth eruption and can occur with any tooth and will cause interference with normal tooth eruption

A

ectopic eruption

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
what is a condition in which a tooth fails to erupt into the oral cavity (multiple causes) and may denote loss of eruptive potential
tooth impaction
26
what is the fusion of cementum with bone occuring at any time during course of eruption and with any tooth and will cause interference with normal tooth eruption
ankylosis
27
ectopic eruption
28
ankylosis
29
describe
18 ectopic, might be impacted
30
describe
premolar not impacted yet, but possible future impaction
31
most common variation eruption of perm dentition is what
eruption of seocnd molars in either arch before anterior teeth
32
incisor transition is typically completed by ___ to establish "classic/sterotypical" mixed dentition stage of permanent molars and incisors along with primary teeth (C-D-E) in buccal segment
8-9 years
33
permanent teeth have tendency to drift __ and tip ___ if space available
mesial; mesial
34
mesial movement of permanent teeth is greatest when
during root formation and active eruption into the oral cavity before reaching occlusal contact
35
what are the first perm teeth to erupt into the oral cavity
1st molars
36
average age of eruption of first molars
6 years 3 months
37
at what age should practitioners screen for pathology associated with eruption
age 5
38
why is anticipatory guidance necessary for parents and patients before 1st perm molar erupt
1. Permanent tooth shows up without baby tooth falling out 2. Discuss possible eruption discomfort and palliative care 3. It's way back there and they need to keep it clean
39
what are the first succedaneous teeth to erupt
mandibular central incisors
40
are permanent molar succedaneous? why?
no - they do not replace primary teeth
41
when do max CI and mand lateral erupt
7-8 years
42
what are the last group of permanent insicors to erupt
maxillary lateral
43
what is the discrepancy in the sum of mesial distal crown width between primary and permanent incisors
incisor liability
44
what is the time occurring starting with eruption of permanent incisors and ending with eruption of max permanent canines
ugly duckling stage
45
age of ugly ducking stage
6-12 years
46
are primary teeth or permanent teeth generally whiter
primary teeth are whiter than permanent
47
what erupt after permanent incisors
mandibular canines
48
what are the last succedaneous tooth to erupts
max perm canines
49
at what age should practiioners start to screen pathology associated with eruption via clinical and radiographic exam
9
50
what is this example of
asymmetric eruption of canines
51
monitoring eruption of ___ is important when considering manipulation of Leeway Space by dental practitioner to guide eruption
perm premolars
52
when do second molars typically erupt
12 years
53
angle molar classifications
Class I, II, and III
54
what is Class I molar
59% - considered ideal relationship
55
what is Class II molar
39% - includes end-end (end-on) Class II
56
angle molar classification determined by what
determined by relationship of mesial buccal cusp of max first molar and mesial buccal groove of mand 1st perm molar
57
what class molar relationship
class I
58
what class molar relationship
class II (full/classic)
59
what class molar relationship
Class II (end-on, end-end)
60
what class molar relationship
class III
61
what molar classification
class I
62
what are the two types of class II molar relationships
division 1 and division 2
63
division 1 class II molar relationship
excessive overjet
64
division 2 class II molar relationship
lingual tipping of max CI, normal to minimal overjet, deep bite, crowding/overlap between max central and lateral incisors
65
molar classification
class II, division 1
66
molar classification
class II, division II "rabbited max incisors"
67
ideal molar and canine relationships in perm occlusion
Class I molar and Class I canine
68
ideal perm occlusion: type of proximal contacts
tight
69
ideal perm occlusion: marginal ridges
should have even marginal ridges vertically
70
ideal perm occlusion: occlusal plane
flat
71
ideal perm occlusion: tooth rotatations?
no
72
ideal perm occlusion: overjet
2-4mm
73
ideal perm occlusion: overbite
10-70%

23 Growth and Development (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions