| immunoglobulin a reaction to oral streptococci in saliva of subjects with different combinations of caries and levels of mutans streptococci. | the aim of this study, performed in bangkok, was to study whether a particular salivary immunoglobulin a (iga) antibody profile against mutans streptococci could be related to the absence or presence of caries. a group of 12-year-old individuals representing various combinations of mutans streptococci levels and caries experience was selected. whole saliva stimulated by paraffin-chewing was collected, and the children were investigated for decayed, missing and filled surfaces (dmfs) and teeth (d ... | 1997 | 9467389 |