NL-OMON23463已完成不适用
Short implants in the posterior region; an evaluation after 10 years
niversity Medical Centre Groningen (Netherlands)0 个研究点目标入组 70 人开始时间: 待定最近更新:
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 发起方
- 入组人数
- 70
研究概览
简要总结
Guljé FL, Raghoebar GM, Vissink A, Meijer HJA. Single crowns in the resorbed posterior maxilla supported by either 6-mm implants or by 11-mm implants combined with sinus floor elevation surgery: a 1-year randomized controlled trial. Eur J Oral Implantol 2014;7:247-255. Guljé FL, Raghoebar GM, Vissink A, Meijer HJA. Single crowns in the resorbed posterior maxilla supported by either 11-mm long implants combined with sinus floor elevation or by 6-mm long implants: a 5-year randomised controlled trial. Int J Oral Implantol 2019; 12: 315-326.
研究设计
- 研究类型
- Interventional
入排标准
入选标准
- •Patients referred to the department of Oral and Maxillofacial Surgery 10 years ago and treated with a short dental implant and an implant-supported restoration because of having a missing tooth in the posterior region. At the time of treatment:
- •The patient was 18 years or older;
- •The missing tooth was a premolar or molar in maxilla or mandible;
- •Sufficient healthy and vital bone to insert a dental implant with a minimum length of 6 mm and at least 4.0 mm in diameter with initial stability > 45 Ncm
- •The implant site was free from infection;
- •Adequate oral hygiene (modified plaque index and modified sulcus bleeding index = 1);
- •Sufficient mesio-distal, bucco-lingual, and interocclusal space for placement of an anatomic restoration;
- •The patient was capable of understanding and giving informed consent.
排除标准
- •Exclusion criteria at the time of treatment:
- •Medical and general contraindications for the surgical procedures;
- •Presence of an active and uncontrolled periodontal disease;
- •A history of local radiotherapy to the head and neck region.
研究者
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