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Perioral muscle activity changes after Lip Bumper treatment
Pubblication date: 30/2021
Authors: L. Nucci1, P. M. Marra1, L. Femiano1, G. Isola2, C. Flores-Mir3, L. Perillo1, V. Grassia1
Institution: 1Multidisciplinary Department of Medical-Surgical and Dental Specialties. University of Campania Luigi Vanvitelli, Naples, Italy.
2Department of General Surgery and Surgical-Medical Specialties, School of Dentistry. University of Catania, Italy.
3Department of Dentistry. University of Alberta, Edmonton, Canada.
Publication: European Journal of Paediatric Dentistry
Title: Perioral muscle activity changes after Lip Bumper treatment
Abstract: Aim This prospective non-randomised case-control study analysed lip muscle activity after Lip Bumper (LB) treatment thought surface electromyography.
Methods The study group was composed of 40 young patients with a mean age of 10 years and 1 month, treated with LB in the lower arch, while 40 children who did not undergo any treatment, matched for sex and age with the previous sample, constituted the control group. Measurements were performed at the beginning and after 1 year for both groups. Electromyographic recordings were obtained in rest position and during the swallowing of 50 ml of water.
Results In the study group, after 1 year of LB treatment, a statistically significant decrease in values was found; specifically, in upper lip muscle activities at rest position with the appliance in situ (p <0.002) and both with (p <0.001) and without (p <0.001) the appliance for the lower lip.
Conclusions One year of LB treatment significantly reduced lip muscle activities at both rest position and during swallowing compared with the untreated sample. These results indicated a potential short-term of upper and lower lip muscle adaptation to the new balance induced by LB treatment.