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Authors
Kim, Su-Jung https://orcid.org/0000-0001-8500-5246
Alnakhli, Waleed Maqbul
Alfaraj, Ali Saeed
Kim, Kyung-A
Kim, Sung-Wan
Liu, Stanley Yung-Chuan
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Article History
Received: 10 September 2019
Revised: 18 February 2020
Accepted: 13 March 2020
First Online: 27 March 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the Institutional Review Board of Kyung Hee University Dental Hospital (KHD IRB 1811-2) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: This was a retrospective study based on records, and formal consent was not required.
