Abstract
The authors attempted to isolate Streptococcus mutans from oral samples taken from 69 dogs kept indoors. Of them, 37 (53.6%) cases had S. mutans.
Among the 37 strains of S. mutans isolated, 15 strains were identified as serovar c (40.5%) and 4 serovar d (10.8%). The serovar of the remaining 18 strains was not able to be specified.