结果牙周病组与正常组相比，在年龄、口腔软组织损伤、脱落牙齿种类及个数、牙齿折断及牙槽突骨折存在显著性差异；
Results Comparing to the regular group , the periodontopathy group has outstanding differences on age , the injury of buccal parenchyma , the type and number of tooth dropped , tooth broken and fracture of den to-alveolar .
牙槽突骨折