A defect caused by loss of tooth structure at the cervical (neck) areas of teeth caused by tensile and compressive forces during tooth flexure.

A loss of tooth structure by wear caused by abrasive forces from foreign substances.

A localized inflammation due to a collection of pus in the bone or soft tissue usually caused by an infection

A tooth (or implant) that supports a dental prosthesis.

An alloy composed of mercury and other minerals, used in direct dental restorations.

A condition where two hard tissues are fused together. When this happens to a tooth and the alveolar bone, the tooth partially erupts.

Removal of the tip of a tooth root.

The wearing down of tooth structure from chewing or grinding.