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Periodontitis Severity Index

Specialty:

Otolaryngology

Objective:

ICD-10:

Description:

The Periodontitis Severity Index (PSI) was developed to assess the severity of periodontitis and distinguishes between clinically healthy and inflamed sites. Periodontitis is diagnosed on the concurrence of clinically apparent marginal inflammation and vertical loss of supporting periodontium. In the presence of marginal inflammation, the PSI is directly proportional to the percentage of bone loss. The severity of the associated clinical inflammation does not seem to be related to the severity of the tissue loss. 

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