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  • Title: Antibody responses to mutans streptococci in children.
    Author: Tenovuo J, Aaltonen AS.
    Journal: Proc Finn Dent Soc; 1991; 87(4):449-61. PubMed ID: 1775474.
    Abstract:
    Because mutans streptococci (Streptococcus mutans, S. sobrinus) are considered the main causative bacteria in human dental caries, immune responses to these bacteria have aroused much research interest over the last two decades. Studies in man have focused mainly on salivary and serum antibodies developing naturally in response to oral colonization by mutans streptococci, or in relation to the development of dental caries. Although both salivary (IgA) and serum-derived (IgG) antibodies have been shown in many studies to protect against the adherence of and to interfere with the metabolism of mutans streptococci, no conclusive evidence relating to their clinical significance is available. In young children, serum IgG antibodies to S. mutans seem more important than salivary IgA antibodies in relation to protection against dental caries. In studies in animals and, recently, in man, monoclonal IgG antibodies to S. mutans protein antigen I/II ("adhesin") have provided effective protection against mutans streptococci. Whether they could also prevent dental caries in man is not yet known.
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