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PURPOSE The knowledge of what levels of primary stability can be obtained in different jawbone regions and of what factors influence primary stability is limited. The objective of this study was to evaluate primary stability by resonance frequency analysis (RFA) measurements of implants placed according to a surgical protocol that aimed for high primary(More)
BACKGROUND Clinical studies reporting immediate loading of endosseous implants for edentulous cases and for fixed partial restorations have been well documented with satisfactory survival rates. Implants with a recently developed, nanometer-scale surface topography (NanoTite, BIOMET 3i, Palm Beach Gardens, FL, USA), created by discrete crystalline(More)
OBJECTIVES The aim of this prospective study was to evaluate the Nobel Direct and Nobel Perfect one-piece implants (OPIs) when used for immediate function. MATERIAL AND METHODS Forty-eight patients were provided with 115 OPIs for loading with a provisional crown or a bridge within 24 h and followed for at least 12 months with clinical and radiographic(More)
OBJECTIVE AND STUDY DESIGN Forty-nine consecutive patients with clinically diagnosed oral lichenoid reactions in contact with amalgam fillings were studied clinically and histologically. The long-term effect of replacement of these fillings was also examined. RESULTS Seventeen (35%) patients showed positive reactions to mercury at the epicutaneous patch(More)
Stratum corneum chymotryptic enzyme (SCCE) may function in the degradation of intercellular cohesive structures in the stratum corneum preceding desquamation. Previous results have suggested that SCCE may be specifically expressed in squamous epithelia undergoing terminal differentiation and keratinization. The aim of the present work was to further(More)
PURPOSE The purpose of the present prospective clinical study was to evaluate the radiographic and clinical outcome of immediately loaded implants in the partial edentulous mandible over a 4-year follow-up period using a modified surgical protocol, primary implant stability criteria, and splinting for inclusion. MATERIALS AND METHODS Patients in need of(More)
BACKGROUND Long healing periods and submerged implant placement are commonly used in the maxilla. This extends the time of oral handicap and makes the use of immediate loading protocols an attractive option. The current clinical literature on direct loading of dental implants in the maxilla is limited. PURPOSE The purpose of this prospective clinical(More)
BACKGROUND A moderately rough surface implant (TiUnite, Nobel Biocare AB, Göteborg, Sweden) was introduced in 2000. Laboratory studies and some clinical studies have demonstrated excellent bone response in the early healing phase. PURPOSE The aim of this prospective multicenter study was to follow a large number of consecutively treated patients using(More)
BACKGROUND A recently introduced implant, the NobelDirect (Nobel Biocare AB, Göteborg, Sweden), has previously been documented with substantial bone resorption in a large number of operated cases. PURPOSE The aim of this study was to evaluate the failure rate of NobelDirect implants in a retrospective multicenter survey. MATERIALS AND METHODS A total of(More)
BACKGROUND Recently, a new implant surface texture, featuring application of nanometer-scale calcium phosphate has been shown to enhance early bone fixation and formation in preclinical studies and in human histomorphometric studies, which may be beneficial in immediate loading situations. AIM The purpose of the present prospective clinical study was to,(More)