2005
DOI: 10.1016/j.ocl.2005.02.004
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Influence of the Clearance on In-Vitro Tribology of Large Diameter Metal-on-Metal Articulations Pertaining to Resurfacing Hip Implants

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Cited by 118 publications
(70 citation statements)
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“…In a tribologic study of MOM performance in a hip simulator, Dowson et al [3] recommended femoral heads be as large as possible with minimal diametral clearance to establish a scenario of mixed-film lubrication. Similarly, in an in vitro study, Rieker et al [13] showed maintaining a lower diametral clearance produced lower amounts of run-in wear compared with cups having relatively high diametral clearances. However, clearance that is too tight paired with large component deformation from press-fit implantation and gait loading could potentially increase frictional torsion, resulting in component loosening.…”
Section: Introductionmentioning
confidence: 92%
See 1 more Smart Citation
“…In a tribologic study of MOM performance in a hip simulator, Dowson et al [3] recommended femoral heads be as large as possible with minimal diametral clearance to establish a scenario of mixed-film lubrication. Similarly, in an in vitro study, Rieker et al [13] showed maintaining a lower diametral clearance produced lower amounts of run-in wear compared with cups having relatively high diametral clearances. However, clearance that is too tight paired with large component deformation from press-fit implantation and gait loading could potentially increase frictional torsion, resulting in component loosening.…”
Section: Introductionmentioning
confidence: 92%
“…The role of diametral clearance in THA lies in the establishment of elastohydrodynamic lubrication between the femoral head and acetabular bearing surface in metalon-metal (MOM) device designs [3,13,18]. In a tribologic study of MOM performance in a hip simulator, Dowson et al [3] recommended femoral heads be as large as possible with minimal diametral clearance to establish a scenario of mixed-film lubrication.…”
Section: Introductionmentioning
confidence: 99%
“…Actually, the model is based on Archard's law which imposes a linearity wear rate versus the number of cycles. But many works, such as [23] , [12], show that this relationship is not linear. The model could be enhanced by taking variations in the wear factor into account to estimate wear beyond 1 million cycles.…”
Section: Resultsmentioning
confidence: 99%
“…This parameter is analogous to the joint clearance parameter that is measured and discussed in reference to metal-on-metal total joint replacements. [21][22][23][24] Joint incongruity was defined as the 3D difference in the spatial location between the center of the sphere that best fit the femoral head and the center of the sphere that best fit the acetabular articulating surface.…”
Section: Hip Morphological Parametersmentioning
confidence: 99%