Rubber dam: Helps prevent entry of moisture to the cavity, Particularly prior to insertion of silicate fillings, And through root canal therapy. Most of the hand-held instruments are created of stainless steel or sometimes carbon metal. Chisels and scalers frequently have tungsten carbide guidelines. The basic layout of a hand https://telegra.ph/Sannhakhoa-d%E1%BB%A5ng-c%E1%BB%A5-nha-khoa--Top-Quality-Dental-Solutions-03-28