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치수혈류 측정을 위한 광 프로브 개발

Title
치수혈류 측정을 위한 광 프로브 개발
Other Titles
Development of an Optical Probe for Measuring Blood Flow in Dental Pulp
Authors
장경환;최준열;김덕원;권민경;구정모
Issue Date
2012
Journal Title
전기학회논문지
ISSN
1975-8359
Citation
전기학회논문지, Vol.61(8) : 1204~1209, 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

http://ir.ymlib.yonsei.ac.kr/handle/22282913/92465
DOI
10.5370/KIEE.2012.61.8.1204
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Medical Engineering
Yonsei Authors
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