Although bone grafting at the same time as the placement of dental implants is a common procedure in implantology, there are currently no data on the influence of different types of implant surfaces on bone healing, which is crucial for implant stability. The primary objective of this study is to assess if implant surface properties, i.e. hydrophilicity, affect the osseointegration of the implant in simultaneously augmented bone. The secondary objective is to assess if implant surface properties, i.e. surface hydrophilicity, may affect the quantity of newly formed bone in the implant in simultaneously augmented bone. Surface hydrophilicity modification is a well-adapted concept in dental implantology and is clinically well-established. In this prospective study, all participants will receive a bone graft after extraction. After randomization, one group will receive a provisional SLA surface implant and another group will receive a provisional SLActive surface implant. The same standard surgical procedure will be performed for both groups when the definitive implant will be placed. The study will run for a total of 3 year, and 35 patients per group will be included. The Straumann SLA and SLActive implants, Maxgraft allograft and collprotect collagen membranes used in this study are all approved products on the Swiss market.
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Bone-to-Implant Contact (BIC)
Timeframe: 3 weeks after implant placement