relationship of salivary rankl and opg with periodontal disease in type 1 diabetic patients dr. ghasemi m .,1 dr. sattari m., 2 dr. khamseh me., 3 dr. kavoli s. 4 1 associate professor, department of periodontics , school of dentistry, islamic azad university. tehran, iran . 2 associate professor, department of immunology , school of medicine, shahid beheshti university of medical sci...