The predominant form of periodontal disease in children and adolescents is gingivitis which is a nonspecific inflammatory reaction of the marginal gingiva the inflammatory reaction in the tissue initiated by dental plaque accumulation starts early during infancy and reflects the bacterial challenge to the host. The predominant form of periodontal disease in children and adolescents is gingivitis which is a nonspecific inflammatory reaction of the marginal gingiva the inflammatory reaction in the tissue initiated by dental plaque accumulation starts early during infancy and reflects the bacterial challenge to the host. Periodontal diseases in children and adolescents abstract unlike in adults currently there are no nationally agreed guidelines for the assessment of periodontal main a variety of periodontal diseases can present in children and adolescents some of which are rapidly destructive references . The predominant form of periodontal disease in children and adolescents is gingivitis which is a nonspecific inflammatory reaction of the marginal gingiva the inflammatory reaction in the tissue initiated by dental plaque accumulation starts early during infancy and reflects the bacterial challenge to the host in most children the process of gingival inflammation remains superficial