 ##  [Abrasion](/index.php/abrasion) 

  ##  [Abrasion](https://health.quantumdictionary.io/abrasion-0) 

  
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**Health &amp; Life Sciences Dictionary**

 
Definition

Mechanical removal of dental hard tissue from the tooth surface caused by frictional contact with external objects or substances (toothbrushes, abrasive dentifrices, foreign bodies), producing characteristic surface wear independent of occlusal contacts or chemical dissolution.