Dentistry / Female / Animals / Male / T lymphocytes / Rats / Actinomyces / Bone Loss / Periodontitis / B Lymphocytes / Periodontal / Bone Resorption / immunoglobulin G / Rats / Actinomyces / Bone Loss / Periodontitis / B Lymphocytes / Periodontal / Bone Resorption / immunoglobulin G