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SCIENCE / CLINICAL RESEARCH logo 39 • the CAMLOG Partner Magazine • November 2016 8 This year's 6 th International CAMLOG Congress took place from 9 - 11 June in Krakow under the motto "Tackling everyday challenges". Over 1,300 delegates from all over the world and 76 internationally renowned speakers and moderators had traveled to this exceptional event. Krakow and the ICE Congress Center proved to be the perfect location for this congress, which unified successful research and practice and addressed the key topics of tissue stability, treatment planning and Digital Dentistry. 6 TH INTERNATIONAL CAMLOG CONGRESS SCIENCE WITH PRACTICE RELEVANCE How are durable, esthetic implant restorations achieved with good predictability? What has to be considered in terms of hardware, and what for surgical and prosthetic methods? What role do diagnostics and planning play? How can peri-implant hard and soft tissue be kept stable? Experienced and also young clinicians provided convincing answers to these and other questions. Vertical position takes precedence over connection type A five-year randomized controlled study from the universities of Kiel, Mainz and Coimbra showed that with Platform Switching, the bone level in the mandibular posterior region increased by 0.2 mm on average, measured after prosthetic restoration. As Ass. Prof. Salomão Rocha (University Coimbra, Portugal) explained, for a given external flush closure, there is a minimal decline in the bone level averaging 0.1 mm. Measured at the time of implantation, the difference in level amounted to 0.5 mm in favor of Platform Switching – within an implant system with tube- in-tube connection (CAMLOG ® SCREW- LINE Promote ® Plus). An investigation with CONELOG ® SCREW-LINE – a system with conical connection and integrated Platform Switching – showed 0.2 mm growth from the prosthetic restoration, i.e. only a slightly higher bone gain (after three years). As explained by PD Dr. Maximilian Moergel (University Mainz, Germany), with CONELOG ® the bone level is kept more reliably at the height of the implant shoulder with sub- or epicrestal positioning than with supracrestal positioning. As emerged two years ago at the 5 th International CAMLOG Congress in Valencia, the vertical implant position could therefore be more important for bone stability than the type of connection. Soft tissue protects bone Ass. Prof. Tomas Linkevicius (University Vilnius, Lithuania) demonstrated that thick soft tissue protects the underlying bone against decay. According to his study, a peri-implant mucosal thickness of less than 2 mm above the alveolar ridge is critical for bone stability. Compression with autogenic or allogenic connective tissue is effective against bone decay – even with platform matching. In contrast, in case of thin tissue, increased bone decay also has to be expected if Platform Switching is used. In order to avoid bone decay, Dr. Monika Puzio (University of Wroclaw, Poland) recommends augmenting with connective tissue grafts Dr. Jan H. Koch