IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-11-44913 Original Research Paper Parental Thought About Children's Oral Health Behaviour Using Rank Range Frequency Theory (Rft): Relative Or Absolute? Nivedita C B Dr. Dr. Anand M Hiremath Dr. Dr. Lingaraj S Harihar Dr. November 2022 11 11 01 02