We took X-ray of jaw every 3 months,observed and analysed the size of the cyst,ossification around cyst and eruption of the dental germ in it.

• 结果:青少年颌骨大型囊肿经开窗减压术后囊肿明显缩小、颌骨生长发育及其牙和牙胚的萌出未受影响,病理检查无恶变倾向。