Evaluation of Comfort Levels of Patient and Ergonomics of the Dental Surgeon during Manual Scaling under Both Proprioceptive Derivative Concept and Conventional Approach: A Cross-sectional Study. - PENMETSA, GAUTAMI S.; KARUTURI, LAHARI; PASUPULETI, MOHAN KUMAR; INTI, SRIVIDYA; GANGOLU, MEGHANA; MIKKILI, RAJYA LAKSHMI (Journal of Clinical & Diagnostic Research, 2023)