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치수혈류 측정을 위한 광 프로브 개발

Other Titles
 Development of an Optical Probe for Measuring Blood Flow in Dental Pulp 
Authors
 장경환  ;  최준열  ;  구정모  ;  권민경  ;  김덕원 
Citation
 Transactions of the Korean Institute of Electrical Engineers (전기학회논문지), Vol.61(8) : 1204-1209, 2012 
Journal Title
 Transactions of the Korean Institute of Electrical Engineers  (전기학회논문지) 
ISSN
 1975-8359 
Issue Date
2012
Abstract
To diagnose dental pulp vitality, electric pulp tester has been widely used, which is a method to test condition of nerve. However, especially in the case of patients with trauma, nerve desensitization could temporarily occur even though nerve might be recovered by blood flow within the pulp later, which implies that blood flow in dental pulp is also an important factor for diagnosing vitality. This paper described the development of a probe that relatively measured blood flow in dental pulp using photoplethysmography (PPG). The probe emits four different wavelength light sources including three visible and an infrared light. We tested which light source detect sensitively the blood flow in dental pulp. As a result, green light had the largest peak to peak voltage and the power spectrum among different wavelengths.
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/92465
DOI
10.5370/KIEE.2012.61.8.1204
Appears in Collections:
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Medical Engineering (의학공학교실)
Yonsei Authors
구정모(Koo, Jeong Mo) ; 권민경(Kwon, Min Kyung) ; 김덕원(Kim, Deok Won) ; 장경환(Jang, Kyung Hwan) ; 최준열(Choi, Joon Yul)
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