Rubber dam: Stops entry of moisture to your cavity, Primarily prior to insertion of silicate fillings, And through root canal therapy. Historical Greek and Roman dentists extracted teeth with direct pliers. In 1840, Sir John Tomes and his Pal Evrard produced the initial pair of dental forceps.[seven] In 1841, Tomes https://medium.com/@rubyhannah372/sannhakhoa-d%E1%BB%A5ng-c%E1%BB%A5-nha-khoa-top-quality-dental-solutions-85e6a7d118d7