北京大学学报(医学版) ›› 2019, Vol. 51 ›› Issue (5): 925-930. doi: 10.19723/j.issn.1671-167X.2019.05.022
Qian WANG1,Dan LI2,Zhi-hui TANG2,△()
摘要:
目的:回顾性评价上颌窦底内提升术在植骨与不植骨的情况下同期植入种植体后上颌窦内成骨的效果。方法:共纳入上颌后牙区缺牙的患者26例,根据术式不同分为上颌窦底内提升+植骨组(A组)和上颌窦底内提升+不植骨组(B组), 同期进行种植,术后30~50个月常规复查随访,观察上颌窦内成骨情况。结果:共植入了27枚种植体(其中A组13枚,B组14枚), 随访时间为40.23(36.20,48.07)个月。A组上颌窦底剩余骨高度(residual bone height, RBH)为(6.64±1.21) mm,B组RBH为(6.96±1.36) mm,二者差异没有统计学意义(P = 0.459)。A组随访时上颌窦内成骨高度(sinus bone gain, SBG)为(2.20±1.71) mm,B组随访时SBG为1.77(0.94, 2.05) mm,二者差异没有统计学意义(P = 0.583)。根据随访时种植体尖端附近成骨情况将种植体尖端成骨分为3类,分别为优、良和中。随访时A组有9枚种植体尖端成骨质量为优和良,B组有8枚种植体尖端成骨质量为优和良,二者差异没有统计学意义((Fisher精确检验,P = 0.695)。A组种植体尖端位于新上颌窦底下方(0.09±1.32) mm,B组种植体尖端位于新上颌窦底下方(0.03±0.91) mm,二者差异没有统计学意义(P = 0.898)。随访时两组总体的SBG为1.85(1.10, 2.20) mm,将两组随访时的SBG分别与多个因素进行相关分析,发现其仅与种植体尖端突出于上颌窦底的高度显著相关(r=0.383, P = 0.049)。结论:上颌窦底内提升术在植骨与不植骨的情况下都能取得较好的效果,SBG主要与种植体尖端提升的高度显著相关。
中图分类号:
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