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logo 39 • the CAMLOG Partner Magazine • November 2016 9 if the buccal connective tissue is less than 2 millimeters – analogous to the crestal jaw bone. Abutments with attachment Thick connective tissue closure in the region of abutment emergence could also contribute to regulating the bone decay. According to Prof. Myron Nevins (Harvard University, Boston, USA), a thick soft tissue cuff prevents apical migration of the sulcus epithelium. This was confirmed by a study presented by PD Dr. Gerhard Iglhaut (Memmingen, Germany) in which an implant system with laser-structured implant neck was investigated (Laser-Lok ® , BioHorizons). iSy – acquiring patients with a new concept According to a retrospective analysis of iSy by CAMLOG conducted in three practices, there is a very good survival rate for implants of 97.6 percent. Based on standardized protocols and the supplied components for preparation, impression- taking and temporary restoration, the system is not only very efficient to use, but also particularly cost-efficient. CAD/ CAM solutions, e.g. with DEDICAM, are consistently integrated. This allows new patient groups to be acquired for which cost also plays an important role: according to Dr. Stefan Ulrici (Leipzig, Germany) "iSy is an implant system, but above all a concept." Short implants versus augmentation In case of limited bone height in the lateral mandible, short implants are a successful solution, according to Prof. Bilal Al-Nawas (University Mainz, Germany). Al-Nawas views immediate implantation critically, especially in case of inflamed alveoli. In a retrospective study, 32 percent of the implants inserted at positions of endodontically failed teeth developed peri-implantitis. Prof. Dr. mult. Robert Sader (University of Frankfurt am Main, Germany) also made the case for using the shortest possible implants to avoid augmentation. A current systematic literature study shows that short implants (≤ 8 mm) in the posterior region are of equal standing to longer implants in terms of survival, marginal bone decay and prosthetic complications. On the basis of finite element and micro-CT studies, Sader formulated the thesis that the peri-implant bone around short implants develops a more dense trabecular structure than around longer implants on account of the higher force applied per unit area. In a specifically initiated clinical study, his team is currently testing the prospects for success of CONELOG ® SCREW-LINE 7-mm implants in the posterior region of the maxilla to avoid a sinus lift. Is peri-implantitis avoidable? To be in a position to diagnose the bone loss due to peri-implantitis, Prof. Mariano Sanz (University of Complutense / Madrid, Spain) proposed taking an informative X-ray image at the time of prosthetic restoration. Additional probing is indicated in all recall sessions to detect inflammatory processes. Early treatment of mucositis symptoms is the SCIENCE / CLINICAL RESEARCH Ass. Prof. Tomas Linkevicius Dr. Stefan Ulrici Dr. Monika Puzio Prof. Bilal Al-Nawas Prof. Dr. mult. Robert Sader PD Dr. Gerhard Iglhaut, Prof. Myron Nevins, Ass. Prof. Tomas Linkevicius, Prof. Mariano Sanz, Prof. Frank Schwarz