##  [Abfraction](/index.php/abfraction) 

  ##  [Abfraction](https://health.quantumdictionary.io/abfraction-0) 

  

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**Health & Life Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

Localized, often wedge‑shaped loss of cervical dental hard tissue theorized to result from biomechanical flexure and stress concentration in the cervical region of the tooth under occlusal loading, producing microfracture and loss of enamel and dentin at the cervical margin.