Department of Endodontics, Sebha Dental College, University of Sebha, Sebha, Libya, North Africa. Department of OMFS, Narsinbhai Patel Dental College and Hospital, Sankalchand Patel University, Visnagar, Gujarat, India. BDS, Government Dental College, Hyderabad, Telangana, India. Department of Conservative Dental Science, College of Dentistry, Prince Sattam bin Abdulaziz University, Al Kharj, Saudi Arabia. Department of Orthodontics, Rayat Bahra Dental College, SAS Nagar, Punjab, India. Department of Conservative Dentistry and Endodontics, VYWS Dental College and Hospital, Amravati, Maharashtra, India.