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Am J Dent. 2014 Oct;27(5):273-84.

A 6-month clinical investigation of custom tray application of peroxide gel with or without doxycycline as adjuncts to scaling and root planing for treatment of periodontitis.

Abstract

PURPOSE:

To evaluate the 6-month clinical effects of one scaling and root planing (SRP) procedure alone or combined with local administration of hydrogen peroxide gel (with or without inclusion of doxycycline for 2 weeks) using periodontal medicament carriers in the form of customized prescription trays for treatment of subjects with chronic periodontitis.

METHODS:

Using a randomized controlled design, 61 subjects with moderate to advanced periodontitis were assigned to three parallel treatment groups: 1) SRP combined with prescription-tray (Perio Tray) application of 1.7% hydrogen peroxide gel (Perio Gel) and, for the first 2 weeks, doxycycline, 2) SRP combined with prescription-tray application of peroxide gel, and 3) SRP alone. All subjects brushed twice daily with standard dentifrice and toothbrush for a 4-week acclimation phase, and continued this regimen throughout the 6-month treatment phase. Pocket probing depth (PPD) and bleeding index (BI) were assessed on natural and restored sites at baseline and after 2, 5, 13, and 26 weeks. SRP was performed 3 weeks after baseline. Clinical variables were compared by ANCOVA and paired t-tests after each treatment interval, analyzing natural and restored sites separately.

RESULTS:

57 subjects completed the trial. Analysis of pockets > 5 mm at baseline showed that mean PPD for both test groups significantly decreased from baseline approximately 0.50 mm prior to SRP. Two weeks following SRP, mean PPD significantly decreased from baseline by > 0.90 mm for both test groups and 0.29 mm for the control. By 26 weeks, mean PPD decreased > 1.10 mm for both test groups compared to 0.38 mm for the SRP-only control (P < 0.001 for test versus control at all post-SRP comparisons). Analysis of pockets ≤ 5 mm at baseline showed the same relationship between groups (P < 0.001 for test versus control). Mean BI dropped significantly only for test groups before SRP, and the tray/peroxide-doxycycline group was significantly different from the control (P = 0.033). Two weeks post-SRP, mean BI reductions for test groups were significantly greater than the control, and remained so for most comparisons. For restored sites, mean PPDs of both test groups were significantly better (P < 0.05) than the control for all post-baseline comparisons.

PMID:
25842461
[Indexed for MEDLINE]

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