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Comparative Histologic Study of 3-Root Canal Filling Materials for Dog’s Teeth

Other Titles
 성견 치아의 치수절제술 후 3가지 근관충전재에 따른 조직학적 반응의 비교 
Authors
 Byurira Kim  ;  Ik-Hwan Kim  ;  Yooseok Shin  ;  Je Seon Song 
Citation
 Journal of the Korean Academy of Pediatric Dentistry (대한소아치과학회지), Vol.46(3) : 255-264, 2019 
Journal Title
 Journal of the Korean Academy of Pediatric Dentistry (대한소아치과학회지) 
ISSN
 1226-8496 
Issue Date
2019
Keywords
Pulpectomy ; Root canal filling material ; Calcium hydroxide ; Tissue response ; Histologic analysis
Abstract
Endodontic treatment of primary molars is a great challenge to the dentists because of their complex morphology. However, there have been limited controlled in vivo studies about filling materials for primary teeth. Hence, the aim of this study is to evaluate and compare histologic responses of different calcium hydroxide canal filling materials that are used in daily clinical practice. Pulpectomies were performed in 132 teeth of the dogs. The root canals were randomly filled with either Vitapex® (n = 44), Metapex® (n = 44), or Metapaste® (n = 44). After 4 or 13 weeks, respectively after operation, the dogs were sacrificed, and teeth were processed for histologic examinations. Inflammatory reaction was evaluated and scored in a blind manner. The Fisher’s exact test and Kruskal-Wallis test were used to compare the tested groups. In 4-week-group, all inflammatory responses were in normal range except for fibrosis. In 13-week-group, increased response to various inflammation reaction was shown compared to the 4-week-group. However, there were no statically significant differences between the tested groups in all inflammatory reaction. Overall, there were no significant differences among three materials in responses of apical tissues and all of them showed favorable tissue responses.
Files in This Item:
T201903473.pdf Download
DOI
10.5933/JKAPD.2019.46.3.255
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Pediatric Dentistry (소아치과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Conservative Dentistry (보존과학교실) > 1. Journal Papers
Yonsei Authors
Song, Je Seon(송제선) ORCID logo https://orcid.org/0000-0001-8620-5629
Shin, Yoo Seok(신유석) ORCID logo https://orcid.org/0000-0003-1121-2570
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/171403
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