RESUMO
BACKGROUND: The risk of periodontal diseases development increased in patients with malocclusion undergoing orthodontic treatment. Thus, the aim of this study was to examine the efficacy of the use of adjunctive rinses with nano-Argentum to standard oral hygiene regimen in subjects wearing fixed orthodontic appliances. MATERIALS AND METHODS: Eighty patients were observed for 1 year. They were divided in two groups: in test group patients were instructed to rinse with non-ionic colloidal silver solution according to protocol for 6 months as an adjunct to standard; in control group the patients followed the standard oral hygiene regimen. Index of efficiency of oral hygiene (PHPm), community periodontal index (CPI) and papillary-marginal-alveolar index (PMA) were evaluated before treatment and after 1 and 6 months. For statistics analysis, Mann-Whitney, Kruskal-Wallis tests and Pearson criterion were used. RESULTS: Baseline hygiene levels in two groups had no differences. Oral hygiene indices were significantly lower in the test group in comparison with control after 1 month (PHPm = 0.38 ± 0.18 and 1.19 ± 0.45, respectively, p < 0.01; PMA = 11.78 ± 8.5 and 47.25 ± 20.9, respectively, p < 0.05; CPI = 0.65 ± 0.53 and 1.53 ± 0.77, respectively, p < 0.01) and 6 months (PHPm = 0.5 ± 0.2 and 1.2 ± 0.4, respectively, p < 0.01; PMA = 11.62 ± 19.6 and 66.33 ± 27.9, respectively, p < 0.01; CPI = 0.63 ± 0.73 and 1.68 ± 0.78, respectively, p < 0.01). CONCLUSIONS: The use of the test solution as an adjunct to standard oral hygiene provided a significant beneficial effect in terms of oral hygiene in patients undergoing orthodontic treatment.
