Air abrasion technique has been in use since 1940s. It lost its popularity against the traditional dental drill as amalgam was the most popular restorative material then and air abrasion lacked the ability to prepare cavity margins accurately. With the emergence of Minimal intervention philosophy and introduction of adhesive restorative dental materials, air abrasion has experienced a rebirth. Air abrasion works on the principle of kinetic energy and utilizes alumina particles to abrade the surface. Alumina particles are effective in cutting but could be toxic if inhaled. Therefore this...