EFFICACY OF SALIVARY TREFOIL FACTOR 3 AS BIOMARKER IN CHRONIC PERIODONTITIS PATIENTS., Dr. Dandu Siva Sai Prasad Reddy, Dr. Kotu Nagavenkata Sai Praveen, Dr. Sameeulla Shaik, Dr. Navya Teja Tungala, Dr. Poornima Parvathala, INTERNATIONAL JOURNAL OF PURE MEDICAL RESEARCH : Volume-8 | Issue-7 | July-2023