Attrition 1


Definition: The physiologic wearing of the teeth.  Also known as bruxism or grinding of the teeth.

Radiographic Features:

Location: Incisal and occlusal surfaces.

Edge: Well-defined.

Shape: A flat occlusal plane with reduced height of the crowns of the teeth.

Internal: Radiolucent on incisal/occlusal surfaces instead of radiopacity of enamel as it’s been worn away.

Other: None.

Number: Frequently effects all anterior teeth or all teeth in the oral cavity.

(click image to enlarge)

Attrition

(note the flattening of the incisal surfaces with a radiolucent edge)

Attrition

(note the overall flat or straight occlusal plane)

Severe attrition

(note radiolucent incisal edge and decreased height of crown)



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