To investigate the effects of nitric oxide (NO), endothelin (ET), substance P (SP) and calcitonin gene-related peptide (CGRP) immunocompetence substances and their relationship to chronic periodontitis Methods Immu...
The gingivs samples were obtained from 40 patients with chronic periodontitis after flap operation and 20 cases having healthy gingiva after ectopic wisdom tooth extraction.We investigated the oxytalan fibers by light...