In preparing a very small proximal amalgam cavity on a molar tooth what would consider,
A. Extend the cavity to the gingival margin
B. Extend the cavity beyond the contacts areas
C. Achieve at least 2mm in dentine
D. Extend cavity just beyond dento enamel junction
A. Extend the cavity to the gingival margin
B. Extend the cavity beyond the contacts areas
C. Achieve at least 2mm in dentine
D. Extend cavity just beyond dento enamel junction