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Ortho 2 > ANCHORAGE IN ORTHODONTICS > Flashcards

ANCHORAGE IN ORTHODONTICS Flashcards

1
Q

Resistance to unwanted movement

A

ANCHORAGE IN ORTHODONTICS

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2
Q

“the resistance to unwanted tooth movement”. (Profitt)

A

ANCHORAGE

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3
Q

ACCORDING TO SITE:

A

Intra-oral sources

Extra-oral sources

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4
Q

Teeth

A. Intra-oral sources
B. Extra-oral sources

A

A

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5
Q

Alveolar bone

A. Intra-oral sources
B. Extra-oral sources

A

A

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6
Q

Cortical bone

A. Intra-oral sources
B. Extra-oral sources

A

A

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7
Q

Basal jaw bone

A. Intra-oral sources
B. Extra-oral sources

A

A

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8
Q

Musculature

A. Intra-oral sources
B. Extra-oral sources

A

A

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9
Q

Cervical

A. Intra-oral sources
B. Extra-oral sources

A

B

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10
Q

Occipital

A. Intra-oral sources
B. Extra-oral sources

A

B

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11
Q

Cranial

A. Intra-oral sources
B. Extra-oral sources

A

B

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12
Q

Facial

A. Intra-oral sources
B. Extra-oral sources

A

B

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13
Q

Frontal bone, Mandibular symphysis

A. Intra-oral sources
B. Extra-oral sources

A

B

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14
Q

Back of the neck (cervical bone)

A. Intra-oral sources
B. Extra-oral sources

A

B

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15
Q

Anchor teeth are moved to _____ at old EXO sites

A

cortical bone

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16
Q

T/f

Cortical

tooth movement is fast as roots encounter cortical bone along resorbed alveolar ridge

A

F

(tooth movement is SLOWED as roots encounter cortical bone along resorbed alveolar ridge)

17
Q

MANNER OF APPLICATION OF FORCE

A
  1. SIMPLE
  2. STATIONARY
  3. RECIPROCAL
18
Q

Greater number of teeth to move a single tooth

A. SIMPLE
B. STATIONARY
C. RECIPROCAL

A

A

19
Q

active movement of one tooth versus several anchor teeth.

A. SIMPLE
B. STATIONARY
C. RECIPROCAL

A

A

20
Q

Application of force displaced the anchor units in the same plane of space from which the force is applied
•putting bodily

A. SIMPLE
B. STATIONARY
C. RECIPROCAL

A

B

21
Q

•Two teeth or resistance
units of equal size

•moved against each
other

A. SIMPLE
B. STATIONARY
C. RECIPROCAL

A

C

22
Q

move the same amount toward or away from each other

A. SIMPLE
B. STATIONARY
C. RECIPROCAL

A

C

23
Q

ACCORDING TO THE JAWS INVOLVED

A
  1. INTERMAXILLARY
  2. INTRAMAXILLARY
24
Q

anchorage units in one jaw provide the force to move teeth in the same jaw

A. INTERMAXILLARY ANCHORAGE
B. INTRAMAXILLARY ANCHORAGE

A

B

25
Q

Teeth being moved in one arch are resisted by teeth in the same arch

A. INTERMAXILLARY ANCHORAGE
B. INTRAMAXILLARY ANCHORAGE

A

B

26
Q

anchorage units in one jaw provide the force to move teeth in the other jaw

A. INTERMAXILLARY ANCHORAGE
B. INTRAMAXILLARY ANCHORAGE

A

A

27
Q

Teeth being moved in one arch are resisted by teeth in the opposite arch

A. INTERMAXILLARY ANCHORAGE
B. INTRAMAXILLARY ANCHORAGE

A

A

28
Q

ACCORDING TO NUMBER OF ANCHORAGE UNITS

A

1.SINGLE OR PRIMARY 2.COMPOUND
3.MULTIPLE OR REINFORCED

29
Q

Single tooth with greater alveolar support is used to move a tooth with a lesser alveolar support

A. SINGLE OR PRIMARY
B. COMPOUND
C. Reinforced
D. A and b

A

D

30
Q

Adding or using more than 1 type of resistance units

A. SINGLE OR PRIMARY
B. COMPOUND
C. Reinforced
D. A and b

A

C

31
Q

additional teeth to the unit to distribute the force over a larger root surface area in the anchorage unit

A. SINGLE OR PRIMARY
B. COMPOUND
C. Reinforced
D. A and b

A

C

32
Q

HEADGEAR APPLIANCE
1. •Classification
2. •Function

A

Classification: fixed-removable active (functional) treatment appliance

Function:
-for skeletal class II due to maxillary excess
increased SNA)
-anchorage
-anterior deep/open bite

Ortho 2 (4 decks)

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