In the construction of a full veneer gold crown, future recession of gingival tissue can be prevented or at least minimised by,
A. Extension of the crown 1 mm under the gingival crevice
B. Reproduction of normal tooth incline in the gingival one third of the crown C. Slight over contouring of the tooth in the gingival one fifth of the crown
D. Slight under contouring of the tooth in the gingival one fifth of the crown
A. Extension of the crown 1 mm under the gingival crevice
B. Reproduction of normal tooth incline in the gingival one third of the crown C. Slight over contouring of the tooth in the gingival one fifth of the crown
D. Slight under contouring of the tooth in the gingival one fifth of the crown