MDS PREP

A thick matrix band has mainly the disadvantage of
1) May damage periodontal ligament
2) Adaptation in the interdental area is difficult
3) Proper proximal contacts are difficult to achieve
4) Difficult in contouring

Conservative Dentistry Answer: 3

Resistance form of cavity preparation is
1) Flat pulp floor
2) Enough depth of the cavity
3) Restricted size of the external walls
4) All of the above

Conservative Dentistry Answer: 4

Electralloy is an alloy of
1) Gold and platinum
2) Cobalt and chromium
3) Gold and calcium
4) Tin and chromium

Conservative Dentistry Answer: 3

When all diagnostic procedure fail to detect proximal caries, last resort is
1) Mechanical separation
2) Preparation of the test cavity
3) Transillumination
4) Caries activity tests

Conservative Dentistry Answer: 1

In bitewing radiographs, occlusal pit caries of enamel appears as a
1) Circular radiolucent area
2) Triangular radiolucent area with its base towards the dentine-enamel junction
3) Vertical radiolucent line
4) None of the above

Conservative Dentistry Answer: 2

Extension of facial and lingual walls in class II preparation is determined by
1) Extension of carious lesion gingivally
2) Position of the adjacent tooth contacts
3) Line angles of the tooth to be restored
4) All of the above

Conservative Dentistry Answer: 2

Pin failures with cemented pins mainly occur
1) Within the restoration
2) Within the tooth structure
3) Cement-tooth interface
4) Cement-pin interface

Conservative Dentistry Answer: 4

Secondary flare provides a marginal metal of
1) 10-20 degrees
2) 30-40 degrees
3) 140-150 degrees
4) None of the above

Conservative Dentistry Answer: 2

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MDS PREP

A thick matrix band has mainly the disadvantage of1) May damage periodontal ligament2) Adaptation in the interdental area is difficult3) Proper proximal contacts are difficult to achieve4) Difficult in contouring

Resistance form of cavity preparation is1) Flat pulp floor2) Enough depth of the cavity3) Restricted size of the external walls4) All of the above

Electralloy is an alloy of1) Gold and platinum2) Cobalt and chromium3) Gold and calcium4) Tin and chromium

When all diagnostic procedure fail to detect proximal caries, last resort is1) Mechanical separation2) Preparation of the test cavity3) Transillumination4) Caries activity tests

In bitewing radiographs, occlusal pit caries of enamel appears as a1) Circular radiolucent area2) Triangular radiolucent area with its base towards the dentine-enamel junction3) Vertical radiolucent line4) None of the above

Extension of facial and lingual walls in class II preparation is determined by1) Extension of carious lesion gingivally2) Position of the adjacent tooth contacts3) Line angles of the tooth to be restored 4) All of the above

Pin failures with cemented pins mainly occur1) Within the restoration2) Within the tooth structure3) Cement-tooth interface4) Cement-pin interface

Secondary flare provides a marginal metal of 1) 10-20 degrees2) 30-40 degrees3) 140-150 degrees4) None of the above

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A thick matrix band has mainly the disadvantage of
1) May damage periodontal ligament
2) Adaptation in the interdental area is difficult
3) Proper proximal contacts are difficult to achieve
4) Difficult in contouring

Resistance form of cavity preparation is
1) Flat pulp floor
2) Enough depth of the cavity
3) Restricted size of the external walls
4) All of the above

Electralloy is an alloy of
1) Gold and platinum
2) Cobalt and chromium
3) Gold and calcium
4) Tin and chromium

When all diagnostic procedure fail to detect proximal caries, last resort is
1) Mechanical separation
2) Preparation of the test cavity
3) Transillumination
4) Caries activity tests

In bitewing radiographs, occlusal pit caries of enamel appears as a
1) Circular radiolucent area
2) Triangular radiolucent area with its base towards the dentine-enamel junction
3) Vertical radiolucent line
4) None of the above

Extension of facial and lingual walls in class II preparation is determined by
1) Extension of carious lesion gingivally
2) Position of the adjacent tooth contacts
3) Line angles of the tooth to be restored
4) All of the above

Pin failures with cemented pins mainly occur
1) Within the restoration
2) Within the tooth structure
3) Cement-tooth interface
4) Cement-pin interface

Secondary flare provides a marginal metal of
1) 10-20 degrees
2) 30-40 degrees
3) 140-150 degrees
4) None of the above