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http://dx.doi.org/10.5933/JKAPD.2016.43.2.158

Analysis of Photoplethysmographic Waveform for Assessment of Pulpal Blood Flow in Children  

Kim, Hyo-Eun (Department of Pediatric Dentistry, School of Dentistry, Seoul National University)
Shin, Teo Jeon (Department of Pediatric Dentistry, School of Dentistry, Seoul National University)
Kong, Hyoun-Joong (Department of Biomedical Engineering, Chungnam National University College of Medicine and Chungnam National University Hospital)
Kim, Pil-Jong (Biomedical Knowledge Engineering Laboratory, School of Dentistry, Seoul National University)
Hyun, Hong-Keun (Department of Pediatric Dentistry, School of Dentistry, Seoul National University)
Kim, Young-Jae (Department of Pediatric Dentistry, School of Dentistry, Seoul National University)
Kim, Jung-Wook (Department of Pediatric Dentistry, School of Dentistry, Seoul National University)
Jang, Ki-Taeg (Department of Pediatric Dentistry, School of Dentistry, Seoul National University)
Kim, Chong-Chul (Department of Pediatric Dentistry, School of Dentistry, Seoul National University)
Lee, Sang-Hoon (Department of Pediatric Dentistry, School of Dentistry, Seoul National University)
Publication Information
Journal of the korean academy of Pediatric Dentistry / v.43, no.2, 2016 , pp. 158-165 More about this Journal
Abstract
The purpose of this study was to analyze photoplethysmographic waveforms from pulse oximeter using raw data of red and infrared light and investigate the reference values of parameters (Height, Width50, Maximum slope, Minimum slope, Area) for evaluating pulpal blood flow in maxillary central incisors with normal pulp vitality in children. The study was performed in 30 pediatric patients, aged 7-16 years old, using pulse oximeter (MEKICS Co., Ltd, Korea) combined with a custom-made sensor. The raw data was obtained and recorded by custom-made software and analyzed by LabChart (v.7.3, ADInstruments, Germany) offline. In this study, we analyzed photoplethysmographic waveforms from pulse oximeter applied to maxillary central incisor for assessment of pulpal blood flow and suggested several reference values of young permanent maxillary central incisor with normal pulp. On average, the waveform of red light was higher, stiffer and wider than that of infrared light. Future studies about reference values for other normal teeth and the teeth with impaired pulp vitality are needed.
Keywords
Pulse oximeter; Pulpal blood flow; Photoplethysmographic waveform analysis;
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