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Automatic stimulus breaker for electric dental pulp tester using pain response

Authors
 K C Nam  ;  S J Lee  ;  C G Song  ;  D W Kim 
Citation
 MEDICAL & BIOLOGICAL ENGINEERING & COMPUTING, Vol.43(3) : 375-378, 2005-06 
Journal Title
 MEDICAL & BIOLOGICAL ENGINEERING & COMPUTING 
ISSN
 0140-0118 
Issue Date
2005-06
MeSH
Adult ; Dental Pulp Test / adverse effects ; Dental Pulp Test / methods* ; Electric Stimulation / methods ; Electromyography ; Female ; Fingers / physiology ; Humans ; Male ; Movement ; Pain Measurement / methods* ; Voice
Abstract
The pulp test provides a means of examining the vitality of dental pulp using physical or chemical stimulation. During electrical pulp testing, an electrical current stimulates the intradental nerve, which may be painful and stressful to patients. The study involved measurement of the electromyogram (EMG) from the anterior belly of the digastric muscle, finger movement and voice response during electrical pulp testing. The excessive stimulus time from the onset time of response (EMG, voice and finger movement) to the end of the stimulation was obtained. The results indicated that the responses occurred in the order: EMG, finger and voice. Based on these results, an automatic stimulus shut-off circuit was developed using the above-mentioned responses to stimulus during electric pulp testing. Excessive stimulus time was reduced by prompt switching-off of the pulp tester output, 64 ms on average after the first detected response (EMG). Consequently, excessive stimulus times were reduced by 284 and 152 ms on average for the subject and examiner disconnection, respectively, using the developed automatic shut-off circuit. Therefore it was possible to minimise pain and stress by reducing excessive pulp stimulation.
Full Text
https://link.springer.com/article/10.1007/BF02345815
DOI
10.1007/BF02345815
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Conservative Dentistry (보존과학교실) > 1. Journal Papers
Yonsei Authors
Lee, Seung Jong(이승종)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/178887
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