Does a Severely Resorbed Subantral Ridge Decrease Long-Term Implant Survival Rate with Sinus Floor Augmentation?
Does a Severely Resorbed Subantral Ridge Decrease Long-Term Implant Survival Rate with Sinus Floor Augmentation?
复制标题
窦底增高术中严重吸收的下嵴是否会降低种植体的长期存活率？
DOI：
10.11607/jomi.9453
复制
发表时间：
2022
期刊：
影响因子：
--
通讯作者：
L. Qiu
中科院分区：
文献类型：
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作者：
L. Niu;Huajie Yu;Juan Wang;Yiman Tang;L. Qiu
目的
确定残留骨高度对接受上颌窦移植的患者的5年种植体存活率和假体并发症发生率的影响。
材料和方法
共有87名连续患者接受了104例使用100%脱蛋白牛骨进行的侧入路上颌窦底提升手术，并接受了169个种植体。分析考虑了患者年龄、性别、种植体放置时间和残留骨高度。剩余骨高度< 3 mm的患者被分配到研究组;否则，他们被放置在对照组。
结果
平均随访68.2个月（0 - 103个月）。研究组的平均残余骨高度为1.8 mm，对照组为4.1 mm。研究组的5年种植体存活率和假体并发症发生率分别为97.4%和8.0%，对照组分别为100%和12.5%。剩余骨高度、性别、年龄和种植体放置时间不是5年种植体存活率或假体并发症发生率的显著因素。研究组的外侧骨壁明显变薄。两组术后6个月和2年的移植骨高度降低有显著差异，但两组间移植骨高度降低随时间的变化无差异。
结论
功能负荷5年后，残留骨高度< 3 mm不会影响植入移植上颌窦的种植体的存活率或修复体并发症发生率。
PURPOSE
To identify the impact of residual bone height on 5-year implant survival and prosthetic complication rates in patients who underwent maxillary sinus grafting.
MATERIALS AND METHODS
A total of 87 consecutive patients were treated with 104 lateral approach maxillary sinus floor augmentation procedures with 100% deproteinized bovine bone and received 169 implants. The analysis considered patient age, sex, time of implant placement, and residual bone height. Patients with < 3 mm residual bone height were assigned to the study group; otherwise, they were placed in the control group.
RESULTS
The mean follow-up was 68.2 months (0 to 103 months). The mean residual bone height was 1.8 mm in the study group and 4.1 mm in the control group. The 5-year implant survival and prosthetic complication rates were, respectively, 97.4% and 8.0% in the study group and 100% and 12.5% in the control group. Residual bone height, sex, age, and time of implant placement were not significant factors for the 5-year implant survival or prosthetic complication rate. The lateral bone wall was significantly thinner in the study group. The grafted bone height reduction was significantly different at 6 months and 2 years postoperation in both groups, but there was no difference in the change in grafted bone height reduction over time between the two groups.
CONCLUSION
A residual bone height < 3 mm did not impact the survival rates of implants placed in grafted maxillary sinuses or the prosthetic complication rate after 5 years of functional loading.