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PURPOSE Since 1997, the use of highly active antiretroviral therapy (HAART) has significantly improved systemic health and life expectancy of patients who test positive for the human immunodeficiency virus (HIV) in industrialized countries. Therefore, although implant-supported prosthetic rehabilitation has been restricted to immunocompetent individuals, it(More)
Successful bone augmentation requires predictable space maintenance and adequate exclusion of those cells that lack osteogenetic potential from the defect area. Natural bone mineral is considered to be osteoconductive and is used as space maker in combination with membrane barrier techniques. The aim of this study was to compare qualitative histological(More)
AIM This systematic literature review was performed to investigate if smoking interferes with the prognosis of implants with and without accompanying augmentation procedures compared with non-smokers. METHODS A systematic electronic and handsearch (articles published between 1989 and 2005; English and German language; search terms "dental or oral implants(More)
OBJECTIVE To address the focused question, is there an impact of platform switching (PS) on marginal bone level (MBL) changes around endosseous implants compared to implants with platform matching (PM) implant-abutment configurations? MATERIAL AND METHODS A systematic literature search was conducted using electronic databases PubMed, Web of Science,(More)
BACKGROUND Space-maintaining capacity, cell disclusive potential, and stability over time are crucial factors to achieving sufficient bone augmentation with membrane barriers. The case series presented here assessed a new collagen barrier used in bone augmentation. Clinically, the healing pattern, especially in cases of secondary healing, was studied. (More)
PURPOSE The purpose of this retrospective analysis of expert opinions was to optimize the level of patient information prior to implant-prosthetic treatment. MATERIALS AND METHODS Twenty-eight expert opinion reports on implant treatment cases compiled between 1996 and August 2001 were analyzed. RESULTS Seventy-five percent of all cases subjected to(More)
Few investigations on guided bone regeneration (GBR) focus on the behaviour of tissues adjacent to barrier membranes. This study was conducted to (1) evaluate the barrier function potential of different resorbable and nonresorbable membranes for GBR, (2) investigate their structural changes after different intervals, and (3) characterize tissue composition(More)
OBJECTIVES The aim of this consensus meeting was to assess the impact of implant-abutment connection, positioning of the machined collar/microgap, and platform switching on crestal bone level changes. MATERIALS AND METHODS Two comprehensive systematic reviews were prepared in advance of the meeting. Consensus statements, practical recommendations, and(More)
OBJECTIVES The purpose of this preliminary two-center clinical prospective study was to evaluate the tissue composition of augmented sites after the use of a nano-crystalline hydroxyapatite (ncHA) bone substitution material by clinical and histological examinations. MATERIAL AND METHODS A synthetic ncHA augmentation material was used without any additives(More)
OBJECTIVES The purpose of the present clinical study was to report on the clinical performance of screw-cylinder implants with special consideration of the survival rate of short implants. MATERIAL AND METHODS In this prospective study with consecutive patient recruitment, Camlog screw-cylinder implants with a particle-blasted and acid-etched(More)