Secondary Carious Lesions 9:

 Diagnosing and Differentiating Between Active and Inactive lesions.  

Classification Description
Intact restoration.

   Intact restoration.
Restoration with active caries.

Secondary caries lesion may cavitated and/or have active white spot lesion area adjacent to restoration.  White spot area is rough to the feel and is not glossy.
  
Restoration with inactive caries.

Secondary caries lesion may cavitated and/or have inactive white spot  lesion area adjacent to restoration.  White spot area is smooth to the feel and is glossy.
                                                                                                          

This table and classification is a modification of material found in  Nyvad B, Machiulskiene V, Baelum V, Reliability of a new caries diagnostic system differentiating between active and inactive caries lesions.  Caries Res, 33:252-260, 1999.
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