When primary molars are prepared for stainless steel crowns, should the depth for reduction of the proximal surface be similar to the depth of the buccal and lingual surfaces? A. Yes; reduction of all wall is similar for best retention B. No, proximal reduction is greater to allow the crown to pass the contact area C. No, the buccal surfaces has the greatest reduction to remove the cervical bulge D. Yes, all undercuts are uniformly removed so that the steel crown can be seated E. No, because of lateral constriction, the lingual surface needs greatest reduction

When primary molars are prepared for stainless steel crowns, should the depth for reduction of the  proximal surface be similar to the depth of the buccal and lingual surfaces?
A. Yes; reduction of all wall is similar for best retention
B. No, proximal reduction is greater to allow the crown to pass the contact area C. No, the buccal surfaces has the greatest reduction to remove the cervical bulge
D. Yes, all undercuts are uniformly removed so that the steel crown can be seated
E. No, because of lateral constriction, the lingual surface needs greatest reduction
by

1 Answer

Answer :

B. No, proximal reduction is greater to allow the crown to pass the contact area
by

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