Article History
Received: 11 August 2018
Accepted: 21 December 2018
First Online: 10 January 2019
Compliance with ethical standards
:
: Dr. Amr Temraz declares that he has no conflict of interest. Dr. Noha Ghallab declares that she has no conflict of interest. Dr. Reham Hamdy declares that she has no conflict of interest. Dr. Omnia Abu El-Dahab declares that she has no conflict of interest.
: This article was approved by the Faculty of Oral and Dental Medicine Research Ethics committee, Cairo University in April 2015.
: Following an explanation of the study as well as information about the surgical procedures, each subject signed a written informed consent form approved by the Faculty Research Ethics committee.