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논문 기본 정보

자료유형
학술저널
저자정보
Kim Dohyun (Department of Conservative Dentistry Oral Science Research Center College of Dentistry Yonsei University Seoul Korea.) Ko Hyoung-Seok (Department of Conservative Dentistry Oral Science Research Center College of Dentistry Yonsei University Seoul Korea.) Park Soo-Yeon (Department of Conservative Dentistry Oral Science Research Center College of Dentistry Yonsei University Seoul Korea.) Ryu Seung-Yeon (독립연구자) Park Sung-ho (Department of Conservative Dentistry Oral Science Research Center College of Dentistry Yonsei University Seoul Korea.)
저널정보
대한치과보존학회 Restorative Dentistry and Endodontics Restorative Dentistry and Endodontics 제48권 제1호
발행연도
2023.2
수록면
1 - 11 (11page)
DOI
10.5395/rde.2023.48.e9

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초록· 키워드

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Objectives This study evaluated the effect of adjacent gingival blood flow on detection of pulpal blood flow (PBF) using ultrasound Doppler flowmetry (UDF) through animal study. Materials and Methods The study included 36 right and left maxillary the third incisors and canines in 9 experimental dogs. The study included 2 main steps: In the first step, the pulse sound level (PSL) was recorded on the cervical part of each tooth without flap elevation (Group 1), with flap elevation (Group 2), and after it was repositioned in place (Group 3). In the second step, the PSL was recorded on the cervical part of each tooth (Group 4), after pulpotomy (Group 5), after partial pulp extirpation (Group 6), after complete extirpation (Group 7), and after canal filling (Group 8). In Groups 5–8, the study was performed with and without flap elevation in the left and right teeth, respectively. The PSL was graded as follows: 0, inaudible; 1, heard faintly; and 2, heard well. The difference between each group was analyzed using Friedman’s test with Wilcoxon signed-rank tests (α = 0.05). Results In step 1, the PSL results were Group 1 > 2 and 3. In step 2, there was no significant difference between the groups when the flap was not elevated, while PSL results were Group 4 > 5 ≥ 6 and 7 ≥ 8 when the flap was elevated. Conclusions PBF is affected by gingival blood flow when measured with UDF. UDF measurements require isolation of gingiva from the tooth.

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