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d.b.review 2 > Ortho III > Flashcards

Ortho III Flashcards

1
Q

Stage that determines number of teeth

A

Initiation stage

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2
Q

Enamel organ give rise to

A

Enamel

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3
Q

Dental papilla give rise to

A

Dentin

Pulp

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4
Q

Dental sac or follicle give rise to

A

Cementum
PDL
Alveolar bone

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5
Q

Joined IEE and OEE forms

A

Reduced enamel epith

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6
Q

Responsible for root formation shape and number of roots

A

Hertwig’s epithelial rooth sheath

From cervical loop

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7
Q

Remnants of HERS

A

Epith rest of Malassez

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8
Q

Responsible for shape and number of apex

A

Epith diaphragm

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9
Q

Barrier once teeth erupts

A

Nasmyth’s membrane or primary enamel cuticle

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10
Q

Bone in hand and wrist radiograph

A

Adults - 27 if not included radius and ulna
29/30 Boards

Puberty - 28

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11
Q

Conditions associated with supernumerary teeth (4)

A

Gardner’s
Down’s
Cleidocranial dysostosis or dysplasia
Sturge weber syndrome

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12
Q

Most common supernumerary teeth

A

Mesiodens

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13
Q

Stage of tooth development does supernumerary occur

A

Initiation stage

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14
Q

Teeth present in radiograph of newly born child

A

24
20 decid
4 molars

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15
Q

In serial extraction extract ___ first BEFORE _____ erupts

A

1st PM

C

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16
Q

Ideal space deficiency for serial extraction to happen

A

> 10mm

8 mm BOARDS

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17
Q

Difference bet MD width of CDE and 345

A

Leeway space

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18
Q 
Leeway space os 
A. Positive
B. Negative
C. Zero 
D. None of the above
A

Positive

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19
Q

Dentin or enamel deposition during bell stage

A

Appositional stage

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20
Q

Ave leeway space for max

A

1.8 mm (0.9mm)

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21
Q

Ave leeway space for md

A

3.4 (1.7 mm)

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22
Q

Easiest ortho movt

Away from the socket

A

Extrusion

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23
Q

Most difficult ortho movt

Into the socket

A

Intrusion

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24
Q

Crown moves in one direction
Tip of root in opposite direction
Most common ortho tooth movt

A

Tipping

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25
Center of rotation of Incisors
2/3 apicocervically of root | 1/3 cervicfacially
26
Crown moves in one direction while root apex in fix position
Torque
27
Revolving the tooth around its long axis
Rotation
28
Present on side toward which the tooth is being moved
Osteoclast
29
Present on the side of root from which the tooth is moved
Osteoblast
30
Best force Faster Frontal resorption
Light continuous force
31
Translation aka
Bodily movements
32
Nolla stage when tooth is clinically seen
Stage 8- 2/3 of root formed
33
Any decid exo during or after stage 6 can cause ____
Rapid eruption
34
If decid exo at nolla’s stage 4 or 5 can cause ______
Tooth delay eruption
35
Nolla stage start of tooth eruption
Stage 6
36
No peer involvement
Solitary
37
Observing others to play
On looking
38
Play activity along side
Parallel play
39
With interaction
Associative play
40
Highest form of play
Cooperativd
41
First bacteria to colonize mouth after birth
Strep salivarius
42
PH of saliva
6.2 - 7.0 WEAK ACID
43
Critical pH cause demineralization
5.5 - 5.7
44
Initial sign of dental caries
White spot lesion or incipient caries
45
Tooth mineral is affected first when there is active caries (3)
Calcium Phosphate Carbonate!
46
Fluoride in comm water
Fluoridation
47
Fluoride applied by dentist
Fluoridization
48
Determine optimal fluoride
Temp
49
Fluoride that inhibit what enzyme (2)
Phosphatase | Enolase
50
Site of excretion of fluoride
Kdneys
51
Optimal fluoride cxn for public water
0.7 to 1.2 ppm
52
Fluoride converts hydroxyapatite to _____
Fluoroapatite
53
Toothpaste contains ____ of fluoride
1,100 PPM
54
Fluoride varnish cxn
5% sodium fluoride
55
% of SnF that causes discoloration | PH
8% 2.1-2.3
56
Adult lethal dose of fluoride Child:____
4-5 g 15 mg/kg
57
Acidulated phosphate fluoride cxn pH????
1.23% 3-3.5
58
Use for fluoride toxicity
Syrup of ipecac | Milk of magnesia MAIN!!!
59
Cleft palate occurs during _____ week in utero Cleft lip??
8-10 weeks 5-6 week
60
Cleft lip repair is delayed up to ____ months after birth
9-18 mos
61
General BV inflammation with eye ulcerations
Behcet’s syndrome
62
Open apex aka
Blunderbuss apex
63
Internal root resorption caused by caoh
Pink tooth of mummery
64
MTA came from
Portland cement - principal content
65
Measurements of SOC
1-1.5 incisal 1 labial or prox 0.5 mm lingual
66
Overall reduction size of SSC
1.5 mm

d.b.review 2 (21 decks)

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