Introduction: The abutment screw loosening has been a common clinical mishap affecting
the success of the implant in the long run. With repeated insertion and removal of the implant …

Osseointegrated implants have been widely used for decades with high survival and
success rates. However, mechanical complications continue to be reported in the literature …

ABSTRACT Background and Objective Understanding fatigue failure and microgap
formation in dental implants, abutments, and screws under various clinical circumstances is …

Statement of problem Loosening or fracture of the abutment screw are frequent
complications in implant dentistry and are detrimental to the long-term success of the …

Statement of problem Short implants have been increasingly used in the aging society.
However, studies which explain the difference of stress distribution according to different …

The high-performance polymer PEEK (poly-ether-ether-ketone) is more and more being
used in the field of dentistry, mainly for removable and fixed prostheses. In cases of screw …

Screw loosening is one of the most common clinical problems of dental implants. Research
on the influencing factors of screw loosening is very important to prevent screw loosening …

Statement of problem Various kinds of implants of different diameters and connection types
are used for patients with a range of bone densities and tooth sizes. However …

Statement of problem The effects of the internal contact surfaces of dental implants on screw
loosening have yet to be investigated. Purpose The purpose of this 3-dimensional finite …

Statement of problem Screws can loosen through mechanisms that have not been clearly
established. Purpose The purpose of this study was to evaluate the influence of the …