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Publication Type : Journal Article
Publisher : Medknow Publications
Source : Contemporary Clinical Dentistry, Medknow Publications, Volume 5, Number 4, p.489-494 (2015)
Campus : Kochi
School : School of Dentistry, School of Medicine
Department : Neurology, Orthodontics and Dentofacial Orthopedics
Year : 2015
Abstract : Introduction: Rapid maxillary expansion (RME) is an orthopedic treatment procedure routinely used to treat constricted maxillary arches and also a potential additional treatment in children presenting with sleep-disordered breathing (SDB). Aims and Objectives: The main objective of this study was to evaluate the effects of RME on sleep characteristics in children. Materials and Methods: Polysomnography was done on children of 8-13 years of age before expansion (TO), after expansion (T1) and after a period of 3 months after retention (T2). Bonded rapid maxillary expander was cemented in all children. Inter-molar distance was also measured at TO and T2. Statistical Analysis: Nonparametric Friedman test was used for comparing the averages of sleep parameters at different time period (TO, T1, T2). Wilcoxon signed ranks test was used for comparing the averages of inter-molar width (T0-T2). P lt; 0.05 were considered as significant. Results: All children showed an improvement in sleep parameters with an increase in sleep efficiency, decreased in arousal and desaturation index after expansion. Total sleep time showed a statistically significant increase after expansion. A statistically significant increase in inter-molar distance was obtained after expansion. Conclusions: Rapid maxillary expansion is a useful treatment option for improving quality of sleep even in normal children without SDB. It also induces widening of the maxilla, corrects posterior crossbites and improves maxillary and mandibular dental arch coordination.
Cite this Research Publication : Navya Ashok, Sapna Varma N. K., Ajith V. V., Siby Gopinath, "Effect of rapid maxillary expansion on sleep characteristics in children," Contemporary Clinical Dentistry 2014: Vol5/ issue 4: Pages 489-494.