A wedge-shaped defect at the cervical area of a tooth, the cause of which is related to microfracture of the tooth structure in areas of concentration of stress, is termed

Question

Quizplus · Accepted Answer

Abfraction is the result of biomechanical forces on the teeth. Attrition is defined as the wearing away of tooth structure during mastication. Erosion is the loss of tooth structure from chemical action. Abrasion is a pathologic wearing of tooth structure resulting from a repetitive mechanical habit.

A Wedge-Shaped Defect at the Cervical Area of a Tooth