Abutment screw loosening of endosseous dental implant body/abutment joint by cyclic torsional loading test at the initial stage.


Cyclic torsional loading tests were carried out in the laboratory using various implant systems, in order to clarify differences between the systems in loosening of abutment screws. Six samples from six commercially available abutment systems were used, giving a total of 36 samples. Four of the systems used internal connections, and two used external… (More)
DOI: 10.4012/dmj.2015-023


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