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Alassaf Flashcards

1
Q

What is an implant analogue? Other names

A

Replicates the implant for use in the cast, other names: abutment analog, fixture replica, lab analogue, fixture replica

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2
Q

Causes of an open margin

A

Excessive proximal contact - residual interim luting agent, inaccurate restoration

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3
Q

White spot in cervical surface

A

incipient caries

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4
Q

Sterilization of burs

A

Autoclave: submerged in 2% sodium nitrate solution

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5
Q

Why is it imp to remove debris (amalgam) from the external surface of the handpiece?

A

During instrument sterilization, this material may be heated and can release mercury liquid or vapor

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6
Q

Trismus after LA injection is likely due to

A

Injury to the medial pterygoid muscle

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7
Q

Muscle that DEPRESSES the mandible

A

Lateral pterygoid

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8
Q

Where does the temporalis originate

A

Lateral surface of the skull

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9
Q

Where does the temporalis insert

A

Coronoid process and anterior border of the ramus

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10
Q

Temporalis innervation

A

Temporal nerve (branch of the mandibular)

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11
Q

Temporalis vascular supply

A

Middle and deep temporal arteries

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12
Q

Temporalis function

A

elevates and retracts the jaw, helps in rotation, active clenching

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13
Q

Origin of masseter muscle and insertion

A

Origin: zygomatic arch, insertion: angle of the mandible

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14
Q

Masseter innervation

A

Masseteric nerve (division of trigeminal)

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15
Q

Masseter vascular supply

A

Masseteric artery (branch of maxillary)

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16
Q

Masseter function

A

Elevates and protracts jaw, assists in lateral movements, active in clenching

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17
Q

Medical pterygoid origin and insertion

A

Origin: pterygoid fossa and medial surface of the lateral pterygoid plate, insertion: medial surface of the angle of the mandible

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18
Q

Medial pterygoid innervation

A

medial pterygoid nerve (division of trigeminal)

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19
Q

Medial pterygoid vascular supply

A

Branch of maxillary artery

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20
Q

Medial pterygoid function

A

Elevates jaw, causes lateral movements and protrusion

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21
Q

Super lateral pterygoid origin and insertion

A

Origin: infratemporal surface of the greater wing of sphenoid, insertion: articular capsule and disk, neck of the condyle

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22
Q

Sup. lateral pterygoid innervation

A

branch of masseteric or buccal nerve

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23
Q

Sup. lat pterygoid vasc supply

A

branch of maxillary artery

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24
Q

sup. lat. pterygoid function

A

positions disk in closing

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25
Inferior lateral pterygoid origin and insertion
Origin: lateral surface of lateral pterygoid plate, insertion: neck of condyle
26
Inf. Lat pterygoid innervation
branch of masseteric or buccal nerve
27
Inf lat pterygoid vasc supply
branch of maxillary artery
28
Inf lat pterygoid function
protrudes and depress jaw, causes lateral movements
29
The component of a dental implant that covers the inner fixture and appears in the oral cavity
Healing abutment
30
Autonomy by definition
This principle states that any competent person should be given the freedom to decide on any decision that is related to his/her body and or health
31
Veracity by definition
Is defined as being honest and telling the truth and is related to the principle of autonomy
32
Principlism
A framework that includes four clusters of moral principles for identifying and rejecting moral problems
33
Non-maleficence
Not to harm the patient
34
Beneficience
To do good
35
Justice
The ethical duty to provide fair access to the service or the benefit
36
How to break bad news?
SPIKES 6-STEP protocol
37
Which impression material can be poured after 24 hours?
Polyether and PVS
38
Acceptable level of waterline bacteria
Equal to or less than 200 cfu/mL
39
Flushing of dental unit waterlines
Should be flushed at the beginning and end of the day for two minutes and for 20-30 seconds between patients
40
Pemphigus Vulgaris mean age
Fourth to sixth decade
41
Pemphigus vulgaris clinical features
Vesicles, erosions, and or ulcerations on any oral or mucosal or skin surface
42
Pemphigus vulgaris histopath
intraepithelial clefting
43
pemphigus vulgaris DIF
Positive intercellular
44
paraneoplastic pemphigus mean age
sixth to seventh decade
45
paraneoplastic pemphigus clinical features
vesicles, erosions, and ulcerations on any mucosal or skin surface
46
paraneoplastic pemph histopath
subepithelial and intraepithelial clefting
47
paraneoplastic pemphi DIF
positive intercellular and basement membrane zone
48
Mucous membrane pemphigoid mean age
sixth to seventh decade
49
mucous membrane pemphigoid sex predilection
Female
50
MMPemph clinical features
primarily mucosal lesions
51
MMPemph histopath
subepithelial clefting
52
MMPemph DIF
positive basement membrane zone
53
Bullous pemphigoid mean age
seventh to eighth decade
54
bullous pemphigoid clinical features
primarily skin lesions
55
bullous pemphigoid histopath
subepithelial clefting
56
bullous pemphigoid DIF
positive, BM zone
57
Erythema multiforme mean age
third to fourth decade
58
Erythema multiforme predilection
Male
59
Erythema multiforme clinical features
skin and mucosa involved, target lesions on skin
60
EM histpath
subepithelial edema and perivascular inflammation
61
EM DIF
nondiagnostic for erythema multiforme
62
Lichen planus mean age
fifth to sixth decade
63
Lichen planus predilection
Female
64
Lichen planus clinical features
oral and/or skin lesions, may or may not be erosive
65
LP histopath
hyperkeratosis, saw-toothed rete ridges, bandlike infiltrate of lymphocytes
66
LP DIF
fibrinogen, BM zone
67
What type of collagen is most prominent in the dental pulp
Type 1 (type 1 to type 3 ratio is 55:45)
68
Amalgam in what waste
Hazardous waste
69
Extracted teeth to be used by dental students
Need to be disinfected if filled with amalgam, or steam sterilized if amalgam free
70
How to sterilize extracted teeth
Autoclave cycle for 40 minutes if no amalgam, immersion in 10% formalin solution of two weeks
71
Metal-ceramic crown finish line
SHOULDER finish line
72
Adv and disadv of chamfer finish lines
Adv: distinct margin, adequate bulk, easier to control - disadv: care needed to avoid unsupported lip of enamel
73
Indications of chamfer margin
Cast metal restorations, lingual margin of metal-ceramic crowns
74

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