Hsiao C K, Liu J K
Department of Dentistry, Chang Gung Memorial Hospital, Taipei, Taiwan, R.O.C.
Changgeng Yi Xue Za Zhi. 1996 Dec;19(4):377-81.
Although anesthetic and functional problems created by fused primary teeth are relatively transient, occlusal development should be monitored to prevent abnormal delays in the eruption of the permanent successors. This report describes an unusual case in which horizontal impaction of the permanent mandibular left lateral incisor was associated with fusion of the primary mandibular left lateral incisor and canine. After the fused primary tooth was extracted, the impacted lateral incisor was able to erupt without the aid of orthodontic forces. Early detection eliminated the need for surgical intervention at a later stage.
虽然乳牙融合所产生的麻醉和功能问题相对是暂时的，但仍应监测咬合发育，以防止恒牙继承牙萌出出现异常延迟。本报告描述了一例罕见病例，其中下颌左侧恒侧切牙水平阻生与下颌左侧乳侧切牙和乳尖牙融合有关。拔除融合乳牙后，阻生的侧切牙能够在无需正畸力的情况下萌出。早期发现避免了后期手术干预的必要。
