Brainscape's Knowledge GenomeTM

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


See full index

Boards Prep > Ortho: Mental dental > Flashcards

Ortho: Mental dental Flashcards

1
Q

Caused by exposure to high levels of ethanol during early development
CNS problems
Midface deficiency
Cleft lip
( Anomaly Occurs in germ layer formation stage)

A

Fetal Alcohol Sydrome

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

Genetic mutation that affects development of facial bones and tissues
Underdeveloped mand
Downslanted palpebral fissures
Cleft palate
Microtia (small ear)
(Anomolay occurs in migration of neural crest cells stage)

A

Treacher collins

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

Loss of neural crest cells during migration
Ear and mand ramus are deficient on affected side
(Anomaly occurs in migration of neural crest cells stage)

A

Hemifacial microsomia

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

Nondisjunction that leads to an extra chromosome 21
Midface deficiency
Upslanted palpebral fissures
No increased caries risk
INcreased periodontal ds risk

A

Down Syndrome (Trisomy 21)

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

What ortho classification do cleft lip and palate typically end up?

A

Class 3

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

What prominences fail to fuse in cleft lip?

A

Median nasal process and maxillary process

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

What weeks in utero does cleft lip occur?

A

4-6 weeks

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

What weeks in utero does cleft palate occur?

A

6-8 weeks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What prominences fail to fuse in cleft palate?

A

Palatal shelves

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

Micrognathia (small mand)
Glossoptosis: backward placement of tongue
Cleft palate
Breathing and feeding difficulty

A

Pierre robin sequence

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

______ group of anomalies that generally stem from a single major anomaly that alters the development of surrounding structures

A

Sequence

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

_____ pattern of anomalies that occur together in a predictable fashion due to single etiology

A

Syndrome

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

Craniosynostosis: earlly closer of skull sutures
Bradycephalic
Midface deficiency
Frontal bossing
Hypertelorism
Proptosis
(Anomaly occurs in final differentiation of tissues stage)

A

Crouzon Syndrome

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

Craniosynostosis
Similar to Crouzon
Acrocephalic (tall skull)
Byzantine arch: narrow palate with high vault
Syndactyly: fusion of fingers and toes

A

Apert syndrome (acrocephalosyndactyly)

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

___ syndromes
Buildup of glycosaminoglycans due to an enzyme deficiency

A

Hurler and Hunter syndrome

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

___ stage of occlusion development
From birth to 6 months ending with eruption of first primary tooth
Future position of teeth can be observed by elevations and grooves present on alveolar ridges

A

Gum pad stage

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

___ stage of occlusion development
From 6 montsh to 6 years ending with first permanent tooth
Young children often have minimal overbite and overjet

A

Primary dentition stage

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

Does mand or max gain more space due to LEeway space?

A

Mand

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

___ stage of occlusion development
6-12 years ending with exfoliation of last primary tooth
Interdental, primate, and leeway spaces close
Molar relationship will “transition” to class 1, 2 or 3

A

Mixed dentition stage

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

What teeth have a diastema in the “ugly duckling” stage?

A

Central incisors

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

What teeth close the diastema in the “ugly duckling” stage due to their eruption?

A

Max canines

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

How can flush terminal plane end up in class 1 instead of cusp to cusp?

A

Mesial shift when 1st molars shift mesially or differential jaw growth

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

The early mesial shift closes what space?

A

Primate space (E)

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

The late mesial shift closses what space?

A

Leeway space (L)

25
Q

What teeth are measured in Tanaka Johnston approach?

A

Mand 4 perm incisors

26
Q

What teeth sizes are projected for size in Tanaka Johnston approach?

A

Canine to 2nd Premolar

27
Q

___ stage of occlusion development
From 12 year to death or edentulism
Arches have curvature in sagittal plane
Ideal overbite is 10-20%
IDeal overjet is 1-3 mm
Ideal occlusion is Class 1

A

Permanent dentition stage

28
Q

What position AP do tooth buds develop and erupt for incisors?

A

Lingually

29
Q

Does intercanine width increase or decrease as permanent teeth erupt?

A

Increase until canines erupt

30
Q

Does intermolar width increase or decrease as permanent teeth erupt?

A

Increases

31
Q

Does arch width increase or decrease as permanent teeth erupt?

A

Decreases as permanent teeth erupt

32
Q

Does arch perimeter increase or decrease as permanent teeth erupt?

A

Increases in upper
Decreases in lower

33
Q

What is the most common malocclusion?

A

Class 1

34
Q

Of class 2 and class 3 malocclusion, which is more common?

A

Class 2

35
Q

What mm is normal for overjet?

A

2-3 mm

36
Q

What mm is normal for overbite?

A

1-2 mm

37
Q

Facial Convexity can be what 3 things?

A

Straight, Convex, Concave

38
Q

If a pt has an ANB angle of 0 or less, what class skeletal are they?

A

Class 3

39
Q

If a pt has an ANB angle of 2, what class skeletal are they?

A

Class 1 or normal

40
Q

If a pt has an ANB angle of 4 or more, what class skeletal are they?

A

Class 2

41
Q

If there is a post crossbite in mixed dentition, how and when should you treat?

A

Palatal expansion
Treat when functional crossbite is present

42
Q

If there is an anterior crossbite in anterior teeth in mixed dentition with only a few teeth, how do you treat?

A

2X4 braces

43
Q

If there is an anterior crossbite in anterior teeth in mixed dentition with a full underbite, how do you treat?

A

Reverse pull headgear

44
Q

If there is severe overjet in mixed dentition , how do you treat?

A

Headgear and 2X4 braces

45
Q

If there is mild to moderate crowding in mixed dentition phase, how should it be treated?

A

LLHA or lip bumper

46
Q

If there is severe crowding in mixed dentition phase, how should it be treated?

A

Serial extraction (C-D-4)

47
Q

____ is used to restrict maxillary growth

A

Headgear (cl 2)

48
Q

____ is used to stimulate mand growth

A

Functional appliances (cl 2)

49
Q

_____ is used to stimulate max growth

A

Reverse pull headgear (cl 3)

50
Q

_____ restrains mandibular growth

A

Chin cup (cl 3)

51
Q

____ is headgear best used to treat Class 2 openbite

A

High pull headgear

52
Q

_____ is headgear best used to treat class 2 deep bite

A

Cervical pull headgear

53
Q

____ is best for class 3 pt w/ maxillary deficiency

A

Reverse pull headgear

54
Q

____ is best headgear for class 3 mandibular excess

A

Chin cup

55
Q

The following are functional applicances to treat _____:
Bionator, Activator, Herbst, Twin block, and MARA

A

Class 2

56
Q

The following appliances are used to treat _____:
TPA, Schwartz, W- arch, Quad helix, Hyrax, Haas

A

Palatal expander

57
Q

The following applicances are used in ___ stage of growth and development
Nance, LLHA, and lip bumper

A

Mixed dentition

58
Q

_____ is recommended for teeth that had severe rotations

A

Supracrestal fiberotomy

59
Q

What is the most stable genioplasty?

A

Sliding genioplasty

Boards Prep (21 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions