Funding for this research was provided by:
Institute of Manuscripts and Revival of Islamic Heritage, Umm Al-Qura University (43509026)
Text and Data Mining valid from 2019-07-02
Received: 24 September 2018
Accepted: 19 June 2019
First Online: 2 July 2019
Ethics approval and consent to participate
: This protocol was reviewed and approved by ethical committee of the Faculty of Dentistry, Umm Al-Qura University. The written informed consent to participate in the study was obtained from the participants.
: Not applicable.
: The authors declare that they have no competing interests.