669. Surface characteristics of implants influence their bone integration after simultaneous placement of implant and GBR membrane
Luiz A. Lima, Anita M. Fuchs-Wehrle, Niklaus P. Lang, Christoph H.F. Hämmerle, Edson Liberti, Eduardo Pompeu, José H. Todescan

680. Simultaneous or staged installation with guided bone augmentation of transmucosal titanium implants. A 3-year prospective cohort study
Dorte Kaarup Christensen, Ioannis K. Karoussis, Andreas Joss, Christoph H.F. Hämmerle, Niklaus P. Lang

687. Tissue response to titanium implantation in the rat maxilla, with special reference to the effects of surface conditions on bone formation
Masaki Shirakura, Noritaka Fujii, Hideo Ohnishi, Yuya Taguchi, Hayato Ohshima, Shuichi Nomura, Takeyasu Maeda

697. Early loading of endosseous implants in the augmented maxilla: a 1-year prospective study
Gerry M. Raghoebar, Pieter Schoen, Henny J. A. Meijer, Kees Stellingsma, Arjan Vissink

703. Osseotite® vs. machined surface in poor bone quality. A study in dogs
Dietmar Weng, Marianne Hoffmeyer, Markus B. Hürzeler, Ernst-Jürgen Richter

709. Gelatinase B is associated with peri-implant bone loss
Jian Ma, Uula Kitti, Roeland Hanemaaijer, Olli P. Teronen, Timo A. Sorsa, Sirajedin Natah, Eve-Kai Tensing, Yrjö T. Konttinen

714. Comparison of the diagnostic potential of direct digital and conventional intraoral radiography in the evaluation of peri-implant conditions
Ann-Catherine Mörner-Svalling, Gunilla Tronje, Lars G. Andersson, Ulf Welander

720. Retention and postinsertion maintenance of bar-clip, ball and magnet attachments in mandibular implant overdenture treatment: an in vivo comparison after 3 months of function
Frits van Kampen, Marco Cune, Andries van der Bilt, Frits Bosman

727. Effect of the additional installation of implants in the posterior region on the prognosis of treatment in the edentulous mandibular jaw
Youji Miyamoto, Kenji Fujisawa, Masaaki Takechi, Yukihiro Momota, Tetsuya Yuasa, Seiko Tatehara, Masaru Nagayama, Eiji Yamauchi

734. Effect of bioresorbable fibres (Polyfibre®) and a bioresorbable foam (Polyfoam®) on new bone formation. A short term experimental study on the rabbit skull
Beat Wallkamm, Jürg Schmid, Christoph H.F. Hämmerle, Sylwester Gogolewski, Niklaus P. Lang

743. The fluorohydroxyapatite (FHA) FRIOS® Algipore® is a suitable biomaterial for the reconstruction of severely atrophic human maxillae
Schopper Christian, Moser Doris, Sabbas Alexis, Lagogiannis Georgios, Spassova Else, König Franz, Donath Karl, Ewers Rolf

750. Healing of transplanted composite bone grafts–implants: a pilot animal study
Giampiero Cordioli, Fady Atiyeh, Adriano Piattelli, Zeina Majzoub

759. Fate of monocortical bone blocks grafted in the human maxilla: a histological and histomorphometric study
Ilara R. Zerbo, Gert L. De lange, Manon Joldersma, Antonius L.J.J. Bronckers, Elisabeth H. Burger

767. Effects of sinus lifting on voice quality. A prospective study and risk assessment
Gabor Tepper, Robert Haas, Berit Schneider, Georg Watzak, Georg Mailath, Sasha A. Jovanovic, Dieter Busenlechner, Werner Zechner, Georg Watzek

775. Efficacy of bovine bone mineral for alveolar augmentation: a human histologic study
Michael R. Norton, Edward W. Odell, Ian D. Thompson, Richard J. Cook

784. Effects of an Er : YAG laser and the Vector® ultrasonic system on the biocompatibility of titanium implants in cultures of human osteoblast-like cells
Frank Schwarz, Daniel Rothamel, Anton Sculean, Thomas Georg, Werner Scherbaum, Jürgen Becker

793. Long-term functional loading of dental implants in rhBMP-2 induced bone. A histologic study in the canine ridge augmentation model
Sascha A. Jovanovic, Dennis R. Hunt, George W. Bernard, Hubertus Spiekermann, Russell Nishimura, John M. Wozney, Ulf M. E. Wikesjö

804. Denaturation of demineralized bone matrix significantly reduces bone formation by guided tissue regeneration
N. Mardas, L. Kostopoulos, A. Stavropoulos, T. Karring

812. Evaluation of a cell-permeable barrier for guided tissue regeneration combined with demineralized bone matrix
N. Mardas, L. Kostopoulos, A. Stavropoulos, T. Karring