国际口腔医学杂志 ›› 2021, Vol. 48 ›› Issue (4): 426-432.doi: 10.7518/gjkq.2021063
Wu Chunlan(),Tang Hua,Chen Jun(
)
摘要:
目的 运用锥形束计算机断层扫描(CBCT)对成人骨性Ⅱ类高角开牙合患者上下切牙区的牙槽骨形态进行研究分析。方法 筛选成人骨性Ⅱ类高角正畸治疗前患者58例(前牙开牙合29例、正常覆牙合29例),利用Dolphin软件测量上下切牙区牙槽骨高度和牙槽骨厚度,并进行统计分析。结果 开牙合组与对照组在切牙区牙槽骨形态的差异主要体现在舌/腭侧的牙槽骨厚度及牙槽骨高度上,开牙合患者多个切牙位点处的舌/腭侧及根尖处的牙槽骨厚度较薄、牙槽骨高度较低;Pearson检验显示覆牙合与舌/腭侧牙槽骨高度呈负相关,与牙槽骨厚度呈正相关。结论 成人骨性Ⅱ类高角开牙合患者切牙区的舌/腭侧牙槽骨厚度较薄、高度较低,矫治该类患者时应谨慎切牙过度的舌向移动,并注意转矩的控制,以避免牙周组织及牙根的损伤。
中图分类号:
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