Amalgam slot preparation

A slot design is indicated if caries is present on the ____ surface only. No carious lesion is present clinically or radiographically on the ____ surface.

• Proximal, occlusal

• Occlusal, proximal

• Facial, proximal

• Occlusal, lingual

The slot preparation is the ____ removal of ____ caries.

• Conservative, interproximal

• Conservative, occlusal

• Conservative, distal

• Conservative, mesial

Convenience form of a class 2 amalgam slot prep indicates the need to access the interproximal caries from the _______ making it a class 2 cavity preparation.

• Occlusal surface

• Mesial surface

• Distal surface

• Buccal surface

The ______ is created by the junction of a gingival floor and axial and proximal walls.

• Internal form

• Outline form

• Resistance form

• Retension form

Does the class 2 amalgam slot preparation have a pulpal floor?

• No

• Yes

Class 2 amalgam slot prep outline form: Proximal clearance is ___ mm.

• 0.25-0.5 mm.

• 0.5-0.75 mm

• 1.0-1.5 mm

• 0.20-0.25 mm

Class 2 amalgam slot prep outline form: Gingival wall is ___ mm in width.

• 1.0-1.5 mm

• 0.25-0.5 mm

• 0.5-0.75 mm

• 1.5-1.75 mm

Class 2 amalgam slot prep outline form: Axial wall is __ and ___.

• Vertical

• Convex

• Concave

• Horizontal

Class 2 Slot Amalgam preparation Finish: Cavity walls are finished smooth with _______.

• Enamel hatchet

• 276L bur

• Margin trimmer

• 1/4 round bur

Class 2 Amalgam Slot Retention/Resistance form:

Cavity walls exit at ___ degree angles and parallel the ______.

• 90, enamel rods

• 90, long axis

• 180, enamel rods

• 180, long axis