Dr.Astha Durgvanshi & Dr.Dhruv Sharma are Masters in Dental Surgery,in Deptt. of Oral Medicine & Radiolgy and Deptt. of Prosthodontics & Implantology respectively,from Rohilkhand University,India. Both authors have done many presentations and publications and currently working as Senior Lecturer in Seema Dental College & Hospital at Rishikesh,India