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Authors
ElSherifa, Mohamed Tarek
Shamaa, Marwa Sameh
Montasser, Mona A.
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Article History
Received: 19 August 2019
Accepted: 12 May 2020
First Online: 21 July 2020
Compliance with ethical guidelines
:
: M.T. ElSherifa, M.S. Shamaa and M.A. Montasser declare that they have no competing interests.
: The Research Ethics Committee of the Faculty of Dentistry, Mansoura University approved the study. All procedures performed in studies involving human participants or on human tissue were in accordance with the ethical standards of the institutional and/or national research committee and with the 1975 Helsinki declaration and its later amendments or comparable ethical standards.
