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M A Lopez, M Andreasi Bassi, L Confalone, R M Gaudio, L Lombardo, D Lauritano
Implant oral rehabilitation has become one of the most successful dentistry techniques over the last 30 years. However, peri-implantitis is the most important complication in implant dentistry. Peri-implantits can be caused by inadequate implant-abutment connections (IAC). The aim of our study is to evaluate the influence of “conical plus octagonal” (i.e. I-Fix connection) on implant survival and success rate. All the implants included in this study were of a completely new type (I-Fix implants and abutments by FMD Falappa Medical Devices S...
April 2016: Journal of Biological Regulators and Homeostatic Agents
Enrico Felice Gherlone, Paolo Capparé, Renée Pasciuta, Maria Gabriella Grusovin, Nicasio Mancini, Roberto Burioni
The aim of the present in vitro study was to evaluate bacterial microleakage from inside to outside the implant-abutment assembly in a new design of internal conical connection compared to eight different internal connections. The design of this connection should prevent or limit microbiologic leakage into the surrounding implant tissue, that could contribute to infections without bone loss (mucositis) or with bone loss (peri-implantits). In order to investigate bacterial microleakage, the inner part of each system was inoculated with an Escherichia coli suspension...
January 2016: New Microbiologica
Stefan Renvert, Ioannis N Polyzois
Therapies proposed for the treatment of peri-implant diseases are primarily based on the evidence available from treating periodontitis. The primary objective is elimination of the biofilm from the implant surface, and nonsurgical therapy is a commonly used treatment. A number of adjunctive therapies have been introduced to overcome accessibility problems or difficulties with decontamination of implant surfaces as a result of specific surface characteristics. It is now accepted that following successful decontamination, clinicians can attempt to regenerate the bone that was lost as a result of infection...
June 2015: Periodontology 2000
Yanling Cai, Maria Strømme, Asa Melhus, Håkan Engqvist, Ken Welch
Biofilms are the most prevalent mode of microbial life in nature and are 10-1000 times more resistant to antibiotics than planktonic bacteria. Persistent biofilm growth associated at the margin of a dental restoration often leads to secondary caries, which remains a challenge in restorative dentistry. In this work, we present the first in vitro evaluation of on-demand photocatalytic inactivation of biofilm on a novel dental adhesive containing TiO2 nanoparticles. Streptococcus mutans biofilm was cultured on this photocatalytic surface for 16 h before photocatalytic treatment with ultraviolet-A (UV-A) light...
January 2014: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
Stefan Stübinger, Frank Homann, Christof Etter, Miroslaw Miskiewicz, Marco Wieland, Robert Sader
BACKGROUND AND OBJECTIVES: Zirconia implants (ZI) are becoming more popular in implant dentistry, as a result of their favorable esthetic outcome. However, little is known about the impact laser application has on this material in the course of peri-implantitis treatment. The objective of this investigation was to analyze the influence of Er:YAG, CO(2) and diode laser irradiation on polished ZI. MATERIAL AND METHODS: Yttria-stabilized tetragonal zirconia polycrystal (Y-TZP) ceramic disks were irradiated at different power settings with either an Er:YAG, CO(2) or diode laser...
March 2008: Lasers in Surgery and Medicine
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