替牙期前牙反是临床上常见的错畸形。由于下前牙的“锁结” ,使上颌发育受限 ,同时上颌向前生长的力量又促使下颌进一步向前生长 ,二者相互影响 ,使畸形越来越严重 ,因此必须尽早矫治。作者在使用多用唇弓矫治前牙反过程中 ,发现其虽能有效地矫治反 ,但对前牙垂直向调 Orthodontic anterior crossbite is a common clinical mistakes deformity. Due to the lower front teeth of the “lock”, so that the maxillary development is limited, while the maxillary forward force and promote the growth of the mandibular further forward, the two affect each other so that deformity more and more serious, it must be rectified as soon as possible. The author in the process of using the multi-purpose lip arch correction anterior patellar process, found that although it can effectively correct the , but the vertical pitch of the anterior teeth