Rubber dam: Stops entry of humidity to the cavity, Particularly previous to insertion of silicate fillings, And through root canal therapy. Ancient Greek and Roman dentists extracted tooth with direct pliers. In 1840, Sir John Tomes and his Good friend Evrard produced the main set of dental forceps.[7] In 1841, https://www.liveinternet.ru/users/hansawila/post504307462/