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目的观察含牙囊肿致替牙期恒牙萌出异常的正畸治疗方法及效果。方法收集15个替牙期含牙囊肿,采取开窗减压手术治疗囊肿,同时结合正畸手段对囊肿累及的恒牙进行导萌治疗。随访2年以上,观察囊肿内骨组织愈合及恒牙萌出情况。结果所有病例影像学检查显示囊肿低密度影消失,腔内骨组织再生,囊肿累及的恒牙全部牵引出龈且牙根、牙周组织基本正常。2年以上均未见囊肿复发。结论对于替牙期含牙囊肿,采取外科开窗减压手术结合正畸治疗能消除囊腔,促进正常牙槽骨再生,有助于囊内恒牙的正常萌出排齐。
Objective To observe the method and effect of orthodontic treatment of eruption of permanent teeth with tooth cyst. Methods Fifteen periodontal ligament-containing cysts were collected, the fenestration was treated by fenestration decompression, and the permanent teeth involved in the cyst were treated by orthodontic treatment. Follow up for more than 2 years, observation of cyst tissue healing and eruption of permanent teeth. Results All cases showed low-density cyst disappeared image, the regeneration of intracavitary bone tissue, all of the permanent teeth involved in the cyst traction gum roots and periodontal tissue was normal. 2 years have seen no recurrence of cysts. Conclusion For periodontal containing dental cysts, surgical decompression combined with orthodontic treatment can eliminate the cyst and promote normal alveolar bone regeneration, which is helpful for the normal eruption of the sac in the sac.