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A Clinical and Radiographic Assessment of Positional Variations of Gingival Papilla and Its Proportions.

In 60 healthy subjects, 720 interdental papilla sites in maxillary anterior teeth were investigated. Interdental papilla heights were measured from the gingival zenith along the clinical crown lengths. Radiovisiography was used to measure the relative bone length. Percentage of papilla height to crown length and radiographic bone length to crown length were computed and defined as papilla proportion (PP) and crestal papilla proportion (cPP), respectively. The overall mean mesial PP was 44.95 ± 6.80% and distal PP was 45.70 ± 7.87%. The total mean mesial cPP was 54.12 ± 9.50% and distal cPP was 54.95 ± 9.28%. Taken together, the cPP was around 55% and the PP was around 45% for all tooth groups.