Rammelsberg Peter, Mahabadi Jaleh, Eiffler Constantin, Koob Andreas, Kappel Stefanie, Gabbert Olaf
Department of Prosthodontics, Heidelberg University Hospital, Heidelberg, Germany.
Clin Implant Dent Relat Res. 2015 Jan;17 Suppl 1:e267-74. doi: 10.1111/cid.12138. Epub 2013 Aug 22.
The objective was to investigate changes in bone height after implant placement in combination with simultaneous internal sinus lift (ISL) without graft material.
For a retrospective clinical study, 101 implants placed in combination with ISL without graft were selected. The study included 66 patients (mean age 59.6 years) with radiographs from baseline (T0) and two follow-ups after mean times of 7 months (T1) and 17 months (T2). Apical changes in bone height were measured at the mesial and distal aspects of the implant. Correlation analysis was performed to identify factors affecting changes in bone height.
Mean apical bone gains of 1.0 mm (mesial) and 1.7 mm (distal) were observed at T1. At T2, mean apical bone gains were 1.5 mm and 2.1 mm (distal). The change in apical bone height was significant between T0 and T1, between T0 and T2, and between T1 and T2. Rank correlation analysis revealed a significant correlation (Spearman rho: -0.2 to -0.4) between small initial bone height and a greater amount of apical bone gain.
A gain in apical bone height can be expected if implants are placed in combination with ISL without graft material. Variability is high, however.
本研究旨在调查在不使用植骨材料的情况下，同期进行上颌窦内提升术（ISL）植入种植体后骨高度的变化。
本研究为回顾性临床研究，选取了101例同期进行ISL且未植骨的种植体植入病例。研究纳入66例患者（平均年龄59.6岁），收集了基线（T0）以及平均7个月（T1）和17个月（T2）后的两次随访的X光片。在种植体的近中和远中测量骨高度的根尖变化。进行相关性分析以确定影响骨高度变化的因素。
在T1时，近中根尖平均骨增量为1.0毫米，远中为1.7毫米。在T2时远中根尖平均骨增量为1.5毫米和2.1毫米。根尖骨高度在T0和T1之间、T0和T2之间以及T1和T2之间的变化具有统计学意义。等级相关性分析显示，初始骨高度较小与根尖骨增量较大之间存在显著相关性（Spearman相关系数：-0.2至-0.4）。
在不使用植骨材料的情况下，同期进行ISL植入种植体可预期根尖骨高度增加。然而，个体差异较大。
