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,

Chin-Sung Chen

Department of Dentistry,
Sijhih Cathy General Hospital,

Min-Chun Pan

Graduate Institute of Biomedical Engineering,
National Central University,
Department of Mechanical Engineering,
National Central University,
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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Brånemark, P.-I., Zarb, G. A., and Albrektsson, T., 1985, Tissue-Integrated Prostheses: Osseointegration in Clinical Dentistry, Quintessence Publishing Co., Chicago.
Gapski, R., Wang, H. L., Mascarenhas, P., and Lang, N. P., 2003, “Critical Review of Immediate Implant Loading,” Clin. Oral Implants Res., 14(5), pp. 515–527. [CrossRef] [PubMed]
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Zhuang, H.-B., Tu, W.-Sh., Pan, M.-Ch., Wu, J.-W., Chen, Ch.-S., Lee, Sh.-Y., and Yang, Y.-Ch., 2013, “Noncontact Vibro-Acoustic Detection Technique for Dental Osseointegration Examination,” J. Med. Biol. Eng., 33(1), pp. 35–43. [CrossRef]


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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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