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  • Title: Comparative evaluation of subgingivally delivered 10% doxycycline hyclate and xanthan-based chlorhexidine gels in the treatment of chronic periodontitis.
    Author: Gupta R, Pandit N, Aggarwal S, Verma A.
    Journal: J Contemp Dent Pract; 2008 Nov 01; 9(7):25-32. PubMed ID: 18997913.
    Abstract:
    AIM: The aim of this study was to evaluate and compare the efficacy of subgingivally delivered 10% doxycycline hyclate and xanthan based chlorhexidine gels when used as an adjunct to scaling and root planing (SRP) in the treatment of chronic periodontitis. METHODS AND MATERIALS: A randomized, controlled, single center study was conducted involving 90 sites in 30 patients suffering from moderate to advanced chronic periodontitis. Each patient contributed three sites which were randomized to three treatment groups: SRP + insertion of doxycycline gel [SRP+DH], SRP + insertion of chlorhexidine gel [SRP+CHX]), and SRP alone [SRP]. Gingival index (GI), plaque index (PI), probing pocket depth (PPD), and clinical attachment level (CAL) were recorded at baseline, 1 month, and 3 months post therapy. RESULTS: All treatments showed significant reductions in PPD and CAL at 1 and 3 months when compared to baseline values (p<0.001). At 3 months, sites treated with SRP+DH and SRP+CHX showed an additional reduction in PPD of 0.86 +/- 1.0 mm and 0.66 +/- 1.58 mm, respectively, significantly greater than SRP alone (p<0.02). Differences in mean PPD reduction between SRP+DH and SRP+CHX were not significant (p=0.46). At 3 months, differences in relative CAL between both SRP+DH (0.80 +/- 0.92) and SRP+CHX (0.63 +/- 1.47) and SRP alone were statistically significant (p<0.02). Differences in relative CAL between SRP+DH and SRP+CHX were not significant (p=0.54). CONCLUSION: The results suggest treatment with 10% doxycycline hyclate and xanthan based chlorhexidine gels as an adjunct to SRP improves PPD and CAL patients with periodontitis compared to SRP alone. CLINICAL SIGNIFICANCE: The use of local drug therapy may refocus the need for surgical periodontal therapy toward deeper pockets.
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