trifurcation involvement


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trifurcation involvement

The extension of periodontitis or a periodontal pocket into an area where the tooth roots divide.

tri·fur·ca·tion in·volve·ment

(trīfŭr-kāshŭn in-volvmĕnt)
Colloq. for dental decay or periodontal disease that affects the area of the tooth where the root separates into three parts. Maxillary molars have three roots and are most commonly affected.