A painful periodontal condition characterized by punched out dental papilla crestal bone loss with a white pseudomembranous surface is called:

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The described clinical presentation (punched out lesions, crestal bone loss, white pseudomembranous surface) is characteristic of necrotizing ulcerative periodontitis (NUP). NUP is a severe form of periodontitis that involves necrosis of the gingival tissues, periodontal ligament, and alveolar bone. It is associated with systemic factors such as stress, malnutrition, and immunosuppression. Treatment involves local debridement, systemic antibiotics, and management of the underlying systemic factors.

A Painful Periodontal Condition Characterized by Punched Out Dental Papilla