Intratubular Biomineralization in a Root Canal Filled with Calcium-Enriched Material over 8 Years
by
Yeon-Jee Yoo 1,†, Yoo Sang Lee 2,†, Jun Sang Yoo 2
, Hiran Perinpanayagam 3, Chang Seon Yoo 2, Hyen Sug Kang 2, Soram Oh 4, Seok Woo Chang 4 and Kee-Yeon Kum 1,*
Yeon-Jee Yoo 1,†, Yoo Sang Lee 2,†, Jun Sang Yoo 2, Hiran Perinpanayagam 3, Chang Seon Yoo 2, Hyen Sug Kang 2, Soram Oh 4, Seok Woo Chang 4 and Kee-Yeon Kum 1,*
1
Department of Conservative Dentistry, Dental Research Institute, Seoul National University School of Dentistry, Daehakro 101, Seoul 03080, Korea
2
Department of Dentistry, Seoul National University School of Dentistry, Seoul 03080, Korea
3
Department of Dentistry, Schulich School of Medicine & Dentistry, University of Western Ontario, London, ON N6A 3K7, Canada
4
Department of Conservative Dentistry, School of Dentistry, Kyung Hee University, Seoul 02447, Korea
*
Author to whom correspondence should be addressed.
†
Yeon-Jee Yoo and Yoo Sang Lee contributed equally
Materials 2017, 10(12), 1388; https://doi.org/10.3390/ma10121388
Received: 17 October 2017 / Revised: 21 November 2017 / Accepted: 29 November 2017 / Published: 5 December 2017
(This article belongs to the Special Issue Dental Biomaterials 2017)
This case report describes intratubular biomineralization in root canal, filled with calcium-enriched material after 8 years of clinical maintenance. The schematic findings of dentinal tubules were investigated with scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS). The root canal obturation material was closely adapted to root dentin surface, suggesting the possibility of chemical bonding between the two interfaces. SEM and EDS observation of dentinal tubules showed intratubular biomineralized crystal structures with Ca/P ratio in a range of 1.30–2.12, suggesting bioactive capacity of calcium-enriched material.
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Keywords:
biomineralization; calcium-enriched material; calcium-deficient hydroxyapatite; dentinal tubule; energy dispersive spectroscopy; scanning electron microscopy
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MDPI and ACS Style
Yoo, Y.-J.; Lee, Y.S.; Yoo, J.S.; Perinpanayagam, H.; Yoo, C.S.; Kang, H.S.; Oh, S.; Chang, S.W.; Kum, K.-Y. Intratubular Biomineralization in a Root Canal Filled with Calcium-Enriched Material over 8 Years. Materials 2017, 10, 1388.
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