##  [Probing Depth](/probing-depth) 

  ##  [Probing Depth](https://health.quantumdictionary.io/probing-depth-0) 

  

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**Health & Life Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

The site-level measurement, expressed in millimetres, of the distance from the free gingival margin to the base of the gingival sulcus or periodontal pocket obtained with a calibrated periodontal probe inserted gently along the tooth surface under standardized angulation and probing force; a local soft-tissue depth measure that does not by itself indicate historical attachment loss.