Association of gingival biotype with the results of scaling and root planing
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Purpose: The concept of gingival biotype has been used as a predictor of periodontal therapy outcomes since the 1980s. Inthe present study, prospective and controlled experiments were performed to compare periodontal pocket depth (PPD) reductionand gingival shrinkage (GSH) after scaling and root planing (SRP) according to gingival biotype. Methods: Twenty-five patients diagnosed with chronic periodontitis participated in the present study. The PPD and GSH ofthe labial side of the maxillary anterior teeth (from the right canine to the left canine) were evaluated at baseline and 3 monthsafter SRP. Changes in the PPD following SRP were classified into 4 groups according to the gingival thickness and initial PPD. Two more groups representing normal gingival crevices were added in evaluation of the GSH. The results were statisticallyanalyzed using the independent t-test. Results: In the end, 16 patients participated in the present study. With regard to PPD reduction, there were no significant differencesaccording to gingival biotype (P>0.05). Likewise, sites with a PPD of over 3 mm failed to show any significant differencesin the GSH (P>0.05). However, among the sites with a PPD of under 3 mm, those with the thin gingival biotype showedmore GSH (P<0.05). Conclusions: PPD changes after SRP were not affected by gingival biotype with either shallow or deep periodontal pockets. GSH also showed equal outcomes in all the groups without normal gingival crevices. The results of SRP seem not to differ accordingto gingival biotype.
Abstract
Purpose: The concept of gingival biotype has been used as a predictor of periodontal therapy outcomes since the 1980s. Inthe present study, prospective and controlled experiments were performed to compare periodontal pocket depth (PPD) reductionand gingival shrinkage (GSH) after scaling and root planing (SRP) according to gingival biotype. Methods: Twenty-five patients diagnosed with chronic periodontitis participated in the present study. The PPD and GSH ofthe labial side of the maxillary anterior teeth (from the right canine to the left canine) were evaluated at baseline and 3 monthsafter SRP. Changes in the PPD following SRP were classified into 4 groups according to the gingival thickness and initial PPD. Two more groups representing normal gingival crevices were added in evaluation of the GSH. The results were statisticallyanalyzed using the independent t-test. Results: In the end, 16 patients participated in the present study. With regard to PPD reduction, there were no significant differencesaccording to gingival biotype (P>0.05). Likewise, sites with a PPD of over 3 mm failed to show any significant differencesin the GSH (P>0.05). However, among the sites with a PPD of under 3 mm, those with the thin gingival biotype showedmore GSH (P<0.05). Conclusions: PPD changes after SRP were not affected by gingival biotype with either shallow or deep periodontal pockets. GSH also showed equal outcomes in all the groups without normal gingival crevices. The results of SRP seem not to differ accordingto gingival biotype.
참고문헌 (29)
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