at·tri·tion ( -tr sh n)n. A wearing away by friction or rubbing, such as the loss of tooth structure caused by abrasive foods or grinding of the teeth. |
attrition
[ətrish′ən]
Etymology: L, atterere, to wear away
the process of wearing away or wearing down by friction.
attrition (
trish´n),n the normal loss of tooth substance resulting from friction caused by physiologic forces.
)
Attrition.
attrition
the physiological wearing away of a substance or structure in the course of normal use.
dental attrition
see dental attrition.
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