Marginal leakage at the proximal gingival cavosurface of a recently restored class II can be caused by:
I. Insufficient condensation
II. First proximal increment was too large
III. Neglecting to wedge the matrix
IV. Hand manipulation instead of mechanical
V. Debris contamination
A. I, II, III
B. II, III, IV
C. I, II, V
D. None of the above
E. All of the above
I. Insufficient condensation
II. First proximal increment was too large
III. Neglecting to wedge the matrix
IV. Hand manipulation instead of mechanical
V. Debris contamination
A. I, II, III
B. II, III, IV
C. I, II, V
D. None of the above
E. All of the above