Elevated serum IgG titer and avidity to <i>Actinobacillus actinomycetemcomitans</i> serotype c in Japanese periodontitis patients

Abstract

A. actinomycetemcomitans serotype c may play a significant role in chronic and generalized aggressive periodontitis, while A. actinomycetemcomitans serotype b may be associated with localized aggressive periodontitis in a Japanese population.