The Gingival Biotype: Gaining New Insights into Soft and Hard Tissue Dimensions - A Radiographic Morphometric Study.
Journal Title: International Journal of Medical Science and Innovative Research (IJMSIR) - Year 2018, Vol 3, Issue 1
Abstract
Introduction: Knowledge of the periodontal biotype is valuable and of key importance to the clinician. Distinct tissue biotypes respond in different manners to restorative and surgical treatment and to inflammation. Gingival biotype is one of the factors that may hinder the success in dental treatments. AIM: The aim of this study was to evaluate the inter-relationship of alveolar bone thickness and thickness of the buccal gingiva at different apico-coronal levels. Methods: In 30 periodontally healthy subjects, clinical and radiographic parameters were measured at the right maxillary central incisor. Clinical parameters included the gingival width (GW), gingival scallop (SC), and crown width/crown length ratio (CW/CL). Gingival and alveolar bone dimensions were assessed on parallel profile radiographs. Gingival thickness was measured at two points on the free gingiva (G1, G2), three points at the supracrestal attachment (G3, G4, G5), and at one point at the bone crest level (G6). Thickness of the buccal alveolar bone was assessed at the bone crest level (A1), between the coronal and middle third of root (A2), and between the middle and apical third (A3) of the root. The correlation between these parameters was analyzed using the Pearsons correlation coefficient test. Results: All parameters showed weak correlation overall. However, G6 (thickness of attached gingival at bone crest) was found to be moderately associated though not approaching statistically significant. with CW/CL, A2 (alveolar bone thickness between coronal and middle third of root), and A3 (alveolar bone thickness between middle third and apical third of root). G4 (supracrestal attached gingiva) also showed moderate correlation with A3. CONCLUSION: Our findings suggest that crown form (CW/CL) and thickness of attached gingiva at bone crest (G6) are helpful indicators of alveolar bone thickness.
Authors and Affiliations
Suhagini Rameshbhai Panchal
Keywords
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