**Author details**

Amer Shatta1 \* and Sukumaran Anil1,2

1 Department of Dentistry, Oral Health Institute, Hamad Medical Corporation, Doha, Qatar

2 College of Dental Medicine, Qatar University, Doha, Qatar

\*Address all correspondence to: ashatta@hamad.qa

© 2021 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
