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치수혈류 측정을 위한 광 프로브 개발

Other Titles
 Development of an Optical Probe for Measuring Blood Flow in Dental Pulp 
 장경환  ;  최준열  ;  구정모  ;  권민경  ;  김덕원 
 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) 
Issue Date
Dental pulp ; Vitality ; Blood flow ; Photoplethysmography ; Probe
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.
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1. College of Medicine (의과대학) > Dept. of Medical Engineering (의학공학교실) > 1. Journal Papers
Yonsei Authors
Koo, Jeong Mo(구정모)
Kwon, Min Kyung(권민경)
Kim, Deok Won(김덕원)
Jang, Kyung Hwan(장경환)
Choi, Joon Yul(최준열)
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