[Electromyographic observation of before and after treatment of unilateral cross-bit in child].
D002648:Child; D004576:Electromyography; D006801:Humans; D008297:Male; D008310:Malocclusion / Q000628:therapy*; D008410:Masticatory Muscles / Q000502:physiology*; D013027:Space Maintenance, Orthodontic