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Estimated Time of Biomineralization in Developing Rat Incisors

Other Titles
 발생 중인 쥐 절치의 생물학적 광화 소요 시간 
Authors
 Min Kyoung Park  ;  Soo-Young Min  ;  Je Seon Song  ;  Jae-Ho Lee  ;  Han-Sung Jung  ;  Seong-Oh Kim 
Citation
 Journal of the Korean Academy of Pediatric Dentistry (대한소아치과학회지), Vol.44(2) : 138-146, 2017 
Journal Title
 Journal of the Korean Academy of Pediatric Dentistry (대한소아치과학회지) 
ISSN
 1226-8496 
Issue Date
2017
Keywords
Rat ; Lower incisor ; Eruption rate ; Biomineralization
Abstract
The aim of this study was to estimate time of biomineralization in developmental stages of rat lower incisors. Eruption length was measured. Four stages of incisor development were identified on histologic and microscopic computerized tomography (micro-CT) sections: (1) preodontoblast, (2) dentin matrix secretion, (3) enamel matrix secretion, and (4) enamel calcification. The overall eruption rate of the rat lower incisor was 600 ± 70 μm/day (mean ± SD; n = 12). The length of the enamel secretion was 4.59 ± 0.75 mm in histologic section, was 3.64 ± 0.63 mm in radiographic section, which converts to 180.4 ± 30.0 hours, 145 ± 25 hours respectively (n = 24). These findings suggested that the four biomineralizing developmental stages of the rat incisor took only several days. The significance of this animal study was to provide understanding for the rapid biomineralization process of developing rat tooth germ by analysis of tooth forming period.
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DOI
10.5933/JKAPD.2017.44.2.138
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Pediatric Dentistry (소아치과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
Yonsei Authors
Kim, Seong Oh(김성오) ORCID logo https://orcid.org/0000-0002-8620-1377
Song, Je Seon(송제선) ORCID logo https://orcid.org/0000-0001-8620-5629
Lee, Jae Ho(이제호) ORCID logo https://orcid.org/0000-0002-1556-3485
Jung, Han Sung(정한성) ORCID logo https://orcid.org/0000-0003-2795-531X
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/160688
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