Absence of surface roughness changes after insertion of one type of matte cemented femoral component during 2 to 15 years

Knoch, Marius von; Bluhm, Andrea; Morlock, Michael M.; Foerstér, G. von

doi:10.1016/s0883-5403(03)00062-7

Cited by 8 publications

(1 citation statement)

References 16 publications

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“…This parameter is defined as the arithmetic average of all deviations from the mean center line of the roughness profile. This is the most often used surface roughness parameter and has been reported in studies of bone implant materials [26,27]. Root mean square roughness "R q " and the average depth of the defects were also calculated.…”

Section: Discussionmentioning

confidence: 99%

Raman spectroscopy of bone composition during healing of subcritical calvarial defects

Ahmed

Law

Cheung

et al. 2018

Biomed. Opt. Express

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Subcritical calvarial defects heal spontaneously and optical methods can study the healing without mechanically perturbing the bone. In this study, 1mm defects were created on the skulls (in vivo) of Sprague-Dawley rats (n = 14). After 7 (n = 7) and 14 days (n = 7) of healing, the subjects were sacrificed and additional defects were similarly created (control). Raman spectroscopy (785nm) was performed at the two time points and defect types. Spectra were quantified by the mineral/matrix ratio, carbonate/phosphate ratio and crystallinity. Mineral/matrix of in vivo defects is lower than that of controls by ~34% after 7 days and ~21% after 14 days. Carbonate/phosphate is 8% and 5% higher while crystallinity is 7% and 3% lower, respectively. Optical profiling shows that the surface roughness increases 1.2% from controls to in vivo after 7 days, then decreases 13% after 14 days. Overall, the results show maturation of mineral crystals during healing and agree with microscopic assessment. therapy by near-infrared raman spectroscopy," J.

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Section: Discussionmentioning

confidence: 99%