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NEETMDS- Conservative Dentistry mcq
MDS PREP
Preparation of class I cavities for dental amalgam, direct filling gold or gold inlays have in common 
 1. Occlusally diverging facial and lingual walls
 2. Occlusally diverging mesial and distal walls
 3. Occlusally diverging facial and lingual walls
 4. Occlusally diverging mesial and distal walls
Conservative Dentistry Answer: 2

Contact areas in a gold inlay should be
1) Soldered
2) Carved out and contoured in the was pattern
3) A point contact with neighbouring teeth
4) Rounded and at a distance from neighbouring tooth
Conservative Dentistry Answer: 2

Rounding of the axiopulpal line angle in a proximo-occlussal preparation is considered as a part of
1) Refining the line form
2) Retention form
3) Resistance form
4) Convenient form
Conservative Dentistry Answer: 3

Core built up on a molar tooth should preferably be done with a chemically cured composite as
1) Light cure resin lacks sufficient strength for a core
2) Its lower viscosity allows free flow of resin also around pins and post
3) Both of the above
4) None of the above
Conservative Dentistry Answer: 2

Cavosurface bevels are contraindicated for the following restorations 
 1. Silicates and porcelain
 2. Silicates and composites
 3. Direct filling and cast gold
 4. Amalgam and composites
Conservative Dentistry Answer: 1

The type of cavosurface margin recommended for porcelain inlay
1) Butt type
2) Acute angled
3) Obtuse angles
4) Porcelain inlays are not recommended at all
Conservative Dentistry Answer: 1

The finish edge used in anterior metal ceramic jacket crown is
1) Facially shoulder, lingually feather edge
2) Facially shoulder, lingually shoulder
3) Facially shoulder with bevel, lingually Chamfer
4) Facially shoulder, lingually Chamfer
Conservative Dentistry Answer: 3

Bevel on the cavosurface margin for an cast gold permits close adaptation of gold margins because
1) Thin margins of gold can be drawn over the pronounced marginal defects
2) Thinner margins of the gold resting on the bevel are easily malleable
3) Both A and B
4) None of the above
Conservative Dentistry Answer: 2

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