Definition: An operation in which carious material is removed from teeth and biomechanically correct forms are established in the teeth to receive and retain restorations. A constant requirement is provision for prevention of failure of the restoration through recurrence of decay or inadequate resistance to applied stresses. (Boucher's Clinical Dental Terminology, 4th ed, p239-40)
restrict to fillings & inlays; for other prep procedures TOOTH PREPARATION, PROSTHODONTIC & ROOT CANAL PREPARATION are available; DF: DENT CAVITY PREPARATION