Saransh Srivastava, and PriyankaTandon. “Comparative Effect of Topical Local Anaesthetic Spray & Gel in the Reduction of Pain on Periodontal Probing in Individuals With Untreated Chronic Periodontitis”. International Healthcare Research Journal, Vol. 3, no. 11, Feb. 2020, pp. 363-7, doi:10.26440/IHRJ/0311.02320.