453. Short communication
McGill

455. Dog model for study of supracrestal bone apposition around partially inserted implants
Ann-Marie Roos-Jansåker, Victoria Franke-Stenport, Stefan Renvert, Tomas Albrektsson, Noel Claffey

460. Organization of the connective tissue barrier around long-term loaded implant abutments in man
Gianmario Schierano, Guglielmo Ramieri, MariaGrazia Cortese, Mario Aimetti, Giulio Preti

465. Bone response to alteration of surface topography and surface composition of sandblasted and acid etched (SLA) implants
Daniel Perrin, Serge Szmukler-Moncler, Casimir Echikou, Philippe Pointaire, Jean-Pierre Bernard

470. Interleukin-1β, tumor necrosis factor-α levels and neutrophil elastase activity in peri-implant crevicular fluid. Correlation with clinical parameters and effect of smoking
Hanife Ataoglu, Nilgun Ozlem Alptekin, Seyfullah Haliloglu, Mihtikar Gursel, Tamer Ataoglu, Behic Serpek, Ercan Durmus

477. Randomized multicenter comparison of two coatings of intramobile cylinder implants in 313 partially edentulous mandibles followed up for 5 years
Jochen Mau, Alexandra Behneke, Nikolaus Behneke, Claus Udo Fritzemeier, German Gomez-Roman, Bernd d'Hoedt, Hubertus Spiekermann, Volker Strunz, Mei Yong

488. Outcome of implant therapy in relation to experienced loss of periodontal bone support. A retrospective 5-year study
Christoph R. E. Hardt, Kerstin Gröndahl, Ulf Lekholm, Jan L. Wennström

495. Implant-retained mandibular overdentures with ITI implants. A comparison of 2-year results between delayed and immediate loading
Eugenio Romeo, Matteo Chiapasco, Andrea Lazza, Paolo Casentini, Marco Ghisolfi, Marco Iorio, Giorgio Vogel

502. A prospective study evaluating a protocol for 6 weeks' loading of SLA implants in the posterior maxilla. One-year results
Mario Roccuzzo, Thomas G Wilson Jr

508. Peri-implant alveolar bone loss with respect to bone quality after use of the osteotome technique. Results of a retrospective study
Frank Peter Strietzel, Marcus Nowak, Ingeborg Küchler, Anton Friedmann

514. Morbidity of harvesting of retromolar bone grafts: a prospective study
Emeka Nkenke, Martin Radespiel-Tröger, Jörg Wiltfang, Stefan Schultze-Mosgau, Gerhard Winkler, Friedrich Wilhelm Neukam

522. Comparison of three different preparations of platelet concentrates for growth factor enrichment
Thorsten R. Appel, Bernd Pötzsch, Jens Müller, Jens-Jörg von Lindern, Stefaan J. Bergé, Rudolf H. Reich

529. Platelets stimulate proliferation of bone cells: involvement of platelet-derived growth factor, microparticles and membranes
Reinhard Gruber, Franz Varga, Michael B. Fischer, Georg Watzek

536. Restoration of occlusal function using osseointegrated implants in the canine mandible reconstructed by rhBMP-2
Ichiro Seto, Noriko Tachikawa, Masaji Mori, Satoru Hoshino, Eriko Marukawa, Izumi Asahina, Shoji Enomoto

542. Fatigue resistance of ITI implant-abutment connectors − a comparison of the standard cone with a novel internally keyed design
Jean Perriard, W. Anselm Wiskott, Aissa Mellal, Susanne S. Scherrer, John Botsis, Urs C. Belser

550. Morphofunctional and clinical study on mandibular alveolar distraction osteogenesis
Davide Zaffe, Carlo Bertoldi, Carla Palumbo, Ugo Consolo

558. Vertical distraction of the severely resorbed edentulous mandible. A clinical, histological and electron microscopic study of 10 treated cases
Gerry M. Raghoebar, Robert S. B. Liem, Arjan Vissink

566. E.A.O. Guidelines for the use of Diagnostic Imaging in Implant Dentistry. A consensus workshop organized by the European Association for Osseointegration in Trinity College Dublin.
David Harris, Daniel Buser, Karl Dula, Kerstin Gröndahl, David Harris, Reinhilde Jacobs, Ulf Lekholm, Richard Nakielny, Daniel van Steenberghe, Paul van der Stelt