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- Oct 21, 2004
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HI GUYS
i'm posting few of my doubts.plz help me choosing right answers
123. For a cast gold restoration, a gingival bevel is used
instead of a shoulder because a bevel
1. protects the enamel.
2. increases retention.
3. improves marginal adaptation.
4. increases the thickness of gold.
A. (1) (2) (3)
B. (1) and (3)
C. (2) and (4)
D. (4) only
E. All of the above.
does bevel leads to increase retention in this case?
140. Composite resin is CONTRAINDICATED as a
posterior restorative material in cases of
1. cusp replacement.
2. bruxism.
3. lack of enamel at the gingival cavosurface
margin.
4. inability to maintain a dry operating field.
A. (1) (2) (3)
B. (1) and (3)
C. (2) and (4)
D. (4) only
E. All of the above
IS E THE ANSWER?
120. Smooth surface caries begins at localized areas on
the
A. outer surface of enamel and dentin.
B. inner surface of the enamel.
C. outer surface of the dentin.
D. outer surface of the enamel.
E. inner surface of the dentin.
i'm posting few of my doubts.plz help me choosing right answers
123. For a cast gold restoration, a gingival bevel is used
instead of a shoulder because a bevel
1. protects the enamel.
2. increases retention.
3. improves marginal adaptation.
4. increases the thickness of gold.
A. (1) (2) (3)
B. (1) and (3)
C. (2) and (4)
D. (4) only
E. All of the above.
does bevel leads to increase retention in this case?
140. Composite resin is CONTRAINDICATED as a
posterior restorative material in cases of
1. cusp replacement.
2. bruxism.
3. lack of enamel at the gingival cavosurface
margin.
4. inability to maintain a dry operating field.
A. (1) (2) (3)
B. (1) and (3)
C. (2) and (4)
D. (4) only
E. All of the above
IS E THE ANSWER?
120. Smooth surface caries begins at localized areas on
the
A. outer surface of enamel and dentin.
B. inner surface of the enamel.
C. outer surface of the dentin.
D. outer surface of the enamel.
E. inner surface of the dentin.