Abstract
ObjectivesThe aim of this randomised clinical trial was to evaluate the effects of a mobile application (app) on the oral hygiene (OH) of adolescents undergoing fixed orthodontic treatment. MethodsEight volunteers (14–19 years old) were randomly allocated to the experimental or control groups. Volunteers in the control group received standard OH (SOH) instructions, whilst volunteers in the experimental group received SHO + OH guidance and motivation through an app tailor-made for this study. Clinical assessments were made using the visible plaque index (VPI) and gingival bleeding index (GBI) at 5 different time points: before orthodontic device installation (T0); at baseline (T1); and 30 (T2), 60 (T3), and 90 (T4) days after randomisation. Significant differences were evaluated using Student t test and multilevel logistic regression analysis. ResultsAlthough no significant difference could be observed, VPI at T1 and T2 were lower for volunteers in the experimental group (33.20 ± 19.29; 32.10 ± 7.72) than for the volunteers in the control group (42.11 ± 8.56; 43.59 ± 34.71). The same was observed for GBI, in which volunteers in the experimental group presented lower GBI at T1 and T2 (12.70 ± 8.10; 13.72 ± 7.39) than volunteers in the control group (27.53 ± 17.89; 20.38 ± 9.95). Good acceptance for using the app was shown by volunteers. ConclusionsThis study shows the potential utility of the mobile app for improving the OH of adolescents.
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