Obturators made of super soft liner thermosetting resin for 59 patients with fenestrated mandibular cyst were regulated according to cystic sizes.Cystic sizes and bone repair were detected by panoramic radiograph and CT 3,6 and 12 months after operation.In all patients,the cystic areas had higher bone mineral density than before,and cystic sizes dereased.32 patients had more than 50％ new bone formation in cystic areas,and cystic areas of 17 patients entirely disappeared without the need of secondary scale.%采用超级软衬热凝树脂制作塞治器,对59例颌骨囊性病变进行开窗减压治疗,术后佩戴塞治器.术后3、6、12个月行曲面体层片及锥形束CT检查;结果显示59例颌骨囊性病变内骨密度逐渐增高,囊腔体积变小;其中32例新成骨超过50％,17例患者囊腔消失,无需行二期刮切手术.
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