Single tooth replacement with dental implants in the aesthetic zone. A randomized clinical trial of different implant designs and different times of restoration.

niversity Medical Centre Groningen (UMCG) (Netherlands)0 个研究点目标入组 120 人开始时间: 2006年1月27日最近更新: 2015年1月13日

试验速览

暂无简介。

•1. The patient is 18 years or older
•2. The missing or lost tooth is an incisor (central or lateral), a canine or a first bicuspid in the maxilla. The adjacent teeth are natural teeth.
•3. Sufficient healthy and vital bone to insert a dental implant with a minimum length of 10 mm and at least 3.5 mm in diameter. In case of insufficient bone volume, a bone augmentation procedure will be performed with autologue bone. After three months of healing, the dental implant will then be inserted.
•4. The implant site must be free from infection
•5. Adequate oral hygiene (modified plaque index and modified sulcus bleeding index <1)
•6. Sufficient mesio-distal, bucco-lingual, and interocclusal space for placement of an anatomic restoration
•7. If necessary, the temporary restoration can be designed free from occlusal contact
•8. The patient is capable of understanding and giving informed consent

•1. Medical and general contraindications for the surgical procedures
•2. Presence of an active and uncontrolled periodontal disease
•3. Presence of pathologic microflora
•4. Bruxism
•5. Site of implant placement is an extraction wound younger than three months
•6. Smoking (patients who stop smoking six weeks before the operation can be included)
•7. A history of local radiotherapy to the head and neck region

发起方

niversity Medical Centre Groningen (UMCG) (Netherlands)