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Technical Brief

Assessment of Dental Implantation Osseointegration Through Electromagnetic Actuation and Detection1

[+] Author and Article Information
Tai Shin Chia

Graduate Institute of Biomedical Engineering,
National Central University,
Taiwan

Chin-Sung Chen

Department of Dentistry,
Sijhih Cathy General Hospital,
Taiwan

Min-Chun Pan

Graduate Institute of Biomedical Engineering,
National Central University,
Taiwan;
Department of Mechanical Engineering,
National Central University,
Taiwan
e-mail: pan_minc@cc.ncu.edu.tw

Accepted and presented at the Design of Medical Devices Conference (DMD2014), Minneapolis, MN, April 7–10, 2014.

Manuscript received February 21, 2014; final manuscript received March 3, 2014; published online July 21, 2014. Editor: Arthur G. Erdman.

J. Med. Devices 8(3), 030940 (Jul 21, 2014) (3 pages) Paper No: MED-14-1114; doi: 10.1115/1.4027108 History: Received February 21, 2014; Revised March 03, 2014

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Figures

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Fig. 1

Illustration of EM device for measuring dental-implantation structure resonance; (a) schematic of EM excitation and Hall-effect sensing and (b) transfer function of Y(s) to X(s) characterizing structure resonance

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Fig. 2

Block diagram of EM actuating and sensing device

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Fig. 3

Labview user/machine interface designed for EM measuring device

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Fig. 4

Measurement of a cantilever structure using the proposed EM device with a trial of (a) head-on, (b) upper side-by, and (c) lower side-by measurement. At the left-hand side of each photo a capacity displacement sensor is used to acquire vibration response for comparison.

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Fig. 5

Frequency response through head-on measurement using (a) capacity displacement sensor and (b) Hall-effect sensor

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Fig. 6

Frequency response through upper side-by measurement using (a) capacity displacement sensor and (b) Hall-effect sensor

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Fig. 7

Frequency response through lower side-by measurement using (a) capacity displacement sensor and (b) Hall-effect sensor

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Fig. 8

Photo of measurement setup using prototype EM device in the axial direction of rabbit tibia to monitor the osseointegration of implantation

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