Analysis of the gingival biotype based on the measurement of the dentopapillary complex

Background: The gingival morphology of the maxillary anterior region plays an important role in determining the final esthetic outcome. Knowledge of the periodontal biotype is of fundamental importance because the anatomical characteristics of the periodontium, such as gingival thickness, gingival width and alveolar bone morphology, will determine periodontium behavior when submitted to physical, chemical, or bacterial injury or during periodontal or implant surgical procedures and orthodontic treatment. Materials and Methods: 50 subjects with healthy periodontal tissues with no loss of attachment and (b) presence of all anterior teeth in both upper and lower jaw were selected. On clinical examination gingival thickness was recorded based on the transparency of periodontal probe. Following parameters are recorded from dental cast, i.e., crown length, crown width, papillary length (PL) and papillary width. Results: There was highly significant correlation between gingival biotype and crown length and area of papilla with P value −0.002 and 0.013 respectively. Significant correlation was found between area of crown and PL with P value −0.013 and 0.016. The results of discriminant function analysis showed that average crown length was the best single determinant of biotype and area of papilla was the next best choice. Conclusion: Within the limits of the current investigation, the existence and correlation of different gingival biotypes and dentopapillary complex dimension has been confirmed. These findings can be utilized as objective guidelines for determining the biotype and response of gingiva to many dental operative procedures.

Abstract licence: CC BY-NC-SA

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