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Biophysics of the vibrational charac...

Laurentian University (Canada).

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Biophysics of the vibrational characteristics of the bone/dental implant interface during osseointegration.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Biophysics of the vibrational characteristics of the bone/dental implant interface during osseointegration./
作者:	Ulrichsen, Robert Francis.
面頁冊數:	150 p.
附註:	Source: Masters Abstracts International, Volume: 47-02, page: 0916.
Contained By:	Masters Abstracts International47-02.
標題:	Biophysics, General. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR41968
ISBN:	9780494419687

Biophysics of the vibrational characteristics of the bone/dental implant interface during osseointegration.
Ulrichsen, Robert Francis.

Biophysics of the vibrational characteristics of the bone/dental implant interface during osseointegration. - 150 p.

Source: Masters Abstracts International, Volume: 47-02, page: 0916.

Thesis (M.Sc.)--Laurentian University (Canada), 2008.

The purpose of this study was to measure the resonant frequency, damping constant and system transfer function of dental implants in vivo during the healing period of osseointegration.

ISBN: 9780494419687Subjects--Topical Terms:

1019105
Biophysics, General.

Biophysics of the vibrational characteristics of the bone/dental implant interface during osseointegration.
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245 1 0 $a Biophysics of the vibrational characteristics of the bone/dental implant interface during osseointegration.
300 $a 150 p.
500 $a Source: Masters Abstracts International, Volume: 47-02, page: 0916.
502 $a Thesis (M.Sc.)--Laurentian University (Canada), 2008.
520 $a The purpose of this study was to measure the resonant frequency, damping constant and system transfer function of dental implants in vivo during the healing period of osseointegration.
520 $a The method of obtaining data was to attach an accelerometer onto the implant being tested. A miniature instrumented hammer was used to provide an impulse to the implant/accelerometer system. The input impulse and output vibration that was measured by the accelerometer were recorded using two channels of a digital storage oscilloscope. The oscilloscope transferred the data to a computer for storage and analysis. The results of testing sixteen implants over a period of several months are reported in the thesis. It was found that most of the implants that were tested followed a similar pattern of resonant frequency changes over the healing time period. By 30 to 90 days, the resonant frequency measurement of most of the tested implants had dropped to approximately one half of their immediately post-implantation levels. By 90 to 120 days post-implantation, there was usually a rise in resonant frequency to levels higher than those of immediately post-implantation. One implant in the study failed to osseointegrate. The variation of its measurements from normal healing were noted.
520 $a The damping constant and system transfer function (implant maximum acceleration per unit impulse) were also monitored during the healing period. It was found that these measurements followed a similar pattern of change during healing to the changes that were observed for the resonant frequency measurements.
520 $a The changes in resonant frequency, damping constant and system transfer function during healing were interpreted and related to known biological and biomechanical properties of the bone/dental implant interface that occur during implant osseointegration.
520 $a It was concluded that the resonant frequency, damping constant and system transfer function were each capable of monitoring the progress of osseointegration. The behavior of these measurements over time is consistent with the accepted model of bone as a viscoelastic material.
590 $a School code: 1100.
650 4 $a Biophysics, General. $3 1019105
650 4 $a Engineering, Biomedical. $3 1017684
650 4 $a Health Sciences, Dentistry. $3 1019378
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710 2 $a Laurentian University (Canada). $3 1019463
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