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Direct/Cariology > Class II Slot #21 (Week 14) > Flashcards

Class II Slot #21 (Week 14) Flashcards

1
Q

What are the two types of class II preps

A

Conventional and slot

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2
Q

When will be the only times you will perform a conventional class two

A
  • If you are replacing a conventional class II prep

- If there are caries on the proximal and occlusal

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3
Q

When would you use the slot Class II prep

A

When there is only caries on the proximal

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4
Q

The (conventional/Slot) Class to prep is more conservative

A

slot

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5
Q

Why back in the day did dentists perform conventional class II preps on people who only had proximal caries

A

retetion

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6
Q

Why is it no longer necessary to perform conventional class two prep when only proximal caries are present

A

due to the improvement of bonding adhesives

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7
Q

What is the occlusal outline includes the __ pit only

A

nearest pit only

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8
Q

Clearance from the buccal lingual and gingival walls is __ to __ mm

A

0.25- 0.5mm

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9
Q

Buccal and lingal walls will be __ to the occlusal to for a __ degree angle with the occlusal surface

A

parallel…90

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10
Q

How is unsupported enamel removed

A

enamel hatchet

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11
Q

The axial is __(positioned) relative to the long axis

A

parallel

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12
Q

The axial wall will be (convex/concave) BL

A

convex

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13
Q

How deep is the axial wall mesiodistally measured from the gingival wall

A

1.0-1.25mm

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14
Q

The gingival wall should be (horizontal/vertical)

A

horizontal

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15
Q

What are the three subcategories in the occlusal anatomy box on the criteria sheet

A
  • Groove
  • Fossae
  • Cuspal planes
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16
Q

When one out of the three for the occlusal anatomy category remains the same for the slot Class two

A

just fossae (cusp planes and grooves aren’t restored)

17
Q

What embrasures are being reproduces with this restoration

A

occlusal, gingival, facial, and linugal

18
Q

The marginal ridge heigh is the same as..

A

the hight of the marginal ridge on the adjactent tooth

19
Q

The marginal ridge is normally (Convex/concave) and the proximal contour is normally (Convex/concave)

A

concave… convex

20
Q

When would you perform a class II MOD prep

A
  • When both proximal surfaces and the occlusal have caries

- Replace existing restoration

21
Q

What are the possible surfaces in conventional Class II

A

MO
DO
MOD

22
Q

What are the possible surfaces in slot Class II

A

MO

DO

Direct/Cariology (20 decks)

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