Acknowledgements
The authors would like to show grateful recognition to Dr Hossam Elsabagh and Dr Farida Reyad (Oral Medicine, Periodontology, Oral Diagnosis, and Oral Radiology Department, Alexandria University) for their contribution in the professional writing. The authors are indebted to Dr Mahmoud Khodir (Oral and Maxillofacial Surgery Department, Alexandria University) for their contribution in the patients’ dental care. The authors received no financial support.