1. Department of Prosthodontics, Kalka Dental College, Meerut 250006, India
2. Department of Oral Medicine and Radiology, Sudha Rustagi College of Dental Sciences and Research, Faridabad, Haryana 121002, India
3. Department of Endodontics, Kalka Dental College, Meerut 250006, India
4. Department of Oral Medicine and Radiology, Saraswati Dhanwantari Dental College and Hospital and Postgraduate Research Institute, Parbhani, Maharashtra 431407, India
5. Department of Prosthodontics and Crown and Bridge, Saraswati Dhanwantari Dental College and Hospital and Postgraduate Research Institute, Parbhani, Maharashtra 431407, India
6. Department of Oral Medicine and Radiology, P.D.M. Dental College and Research Institute, Bahadurgarh, Haryana 124507, India