Posterior_Direct_Restorations Salvatore_compressed

FIG 4-1 (a) Rubber dam sheets. (b) Dam punch. (c) Clamp forceps. (d) Dental floss. (e) Template. (f) Clamps. (g) Dam frame with seven retainers. The dam frame keeps the dam taut. It may be metal or plastic. Use of a very large bow (with nine retainers rather than seven) is advised to improve operating field visibility. The bow may be fitted externally or internally to the rubber dam.

Dam sheets

Different dam thicknesses (see Fig 4-2a) can be used for different purposes8: