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骨骼或肌肉变异的Ⅱ类畸形在错(牙合)中占有较大的百分率,可以在乳牙列或混合牙列早期进行治疗,大部分病例能够在用全牙带环的方法以前矫正或高度改善,早期治疗可以不发展为标准的Ⅱ类二分类畸形。
Class II deformities of skeletal or muscle variation account for a large percentage of misdiagnoses and can be treated early in the deciduous or mixed dentition, most of which can be previously corrected or highly improved with a full occlusion Early treatment may not develop as a standard Class II dichotomous deformity.