Oral Surgery and Implant Dentistry Department, School of Dentistry, University of Granada, Granada, Spain.
Clin Oral Implants Res. 2012 May;23(5):609-16. doi: 10.1111/j.1600-0501.2011.02254.x. Epub 2011 Sep 28.
To evaluate the clinical performance of Astra Tech OsseoSpeed TX 3.0S implants using one-stage surgical procedure and early loading in the anterior region.
This is a prospective, single arm, multi-centre study. Patients missing teeth at positions 12, 22 and 32-42 were eligible to enter the study. The implants (OsseoSpeed TX 3.0S) used in the study were of 3 mm diameter and of different lengths. One-stage surgery was performed, and healing abutments were used during the 6-10 weeks healing period. Clinical and radiographic examinations were assessed at implant installation, loading and at the 6- and 12-month follow-up visits.
Ninety-seven implants were placed in 69 patients at six different study centres in Denmark, Germany, Italy, Spain, Sweden and the United Kingdom. The survival rate was 95.9%. No implants have been lost after loading (100% survival rate after loading). Mean marginal bone loss 1 year after installation was 0.065 mm (SD = 1.018). The frequency of bone loss ≥ 1 mm was 6.6% and 51.3% of the implants demonstrated no bone loss or even bone gain from the surgical visit to the first year follow-up visit. Mean probing pocket depth and gingival zenith score were stable from crown placement to the 6- and 1-year follow-up visits.
Treatment with OsseoSpeed TX 3.0S implants is a safe and predictable option in the anterior region where physical space is limited. Minimal marginal bone loss was observed during the first year follow-up.
评估 AstraTech OsseoSpeed TX 3.0S 种植体在前牙区一期手术和早期负重的临床效果。
这是一项前瞻性、单臂、多中心研究。在研究中，缺失牙位于 12、22 和 32-42 位置的患者符合入组条件。研究中使用的种植体（OsseoSpeed TX 3.0S）直径为 3 毫米，长度不同。采用一期手术，在 6-10 周的愈合期使用愈合基台。在种植体植入、负重和 6-12 个月随访时进行临床和影像学检查。
在丹麦、德国、意大利、西班牙、瑞典和英国的六个不同研究中心，97 个种植体共植入 69 名患者。种植体的存活率为 95.9%。在负重后没有种植体丢失（负重后存活率为 100%）。安装后 1 年的平均边缘骨吸收量为 0.065 毫米（SD=1.018）。骨吸收≥1 毫米的频率为 6.6%，51.3%的种植体从手术就诊到第 1 年随访期间无骨吸收甚至出现骨量增加。从牙冠放置到 6 个月和 1 年随访时，探测袋深度和牙龈顶点评分保持稳定。
在前牙区，由于空间有限，OsseoSpeed TX 3.0S 种植体的治疗是一种安全且可预测的选择。在第 1 年随访期间观察到最小的边缘骨吸收。
