5Duthie,Yemn. Muscles involved in voluntary mandibular retrusion in man[J]. J Oral Rehabil, 1982,9: 155.
6Shon BW,Miyawaki S,Noguchi H,et al. Changes in jaw moverment and jaw closing muscle activity after orthodontic correction of incisor crossbite [J].Am J Orthodon Dentofac Orthoped,1997, 10: 403.
7Miralles,Hevia R,Contreras L,et al. Pattern of electromyogram activity in subjects with different skeletal facial types[J]. Angle Orthod, 1991,61(4):277.
8Shon BW, Miyawaki S, Noguchi H, et al. Changes in jaw moverment and jaw closing muscle activity after orthodontic correction of incisor crossbite. Am J Orthod Dentofacial Orthop, 1997, 112(4):403
9Ingervall B, Thilander B. Activity of temporal and masseter muscles in children with a lateral forred bite [J]. Angle Orthod, 1975,45: 249-258.
10Ferrario VF, Sforza C, D'addona A,et al. Reproducibility of electromyograp-hic measures: a statistical analysis [.J], J Oral Rehabil, 1991,18: 513-521.
