Investigate the spread of Streptococcus mutans for patients with tooth decay in Samarra city

Abstract

The study included the collection of 150 samples, by using of a cotton swab from the caries area of ​​patients with dental caries for the age group between 20-40 years for both sexes, and they were collected from Samarra hospital and outpatient clinics for the period between 1-11-2021 to 1-4 -2022 for the purpose of isolation and diagnosis tooth decay-causing by bacteria Streptococcus mutans, all the traditional methods of implantation, microscopic and biochemical diagnosis were taken, and they were grown on Mitis Salivarius Bacitracin (MSB), the results of culture and diagnosis showed that Strep.mutans constituted about 33% of the rest of the bacterial species that cause dental caries, the prevalence of dental caries cases by gender was studied, which showed a discrepancy between females and males, the number of infected females was 83, which constitutes about 55%, while the number of males was 67, which constituted 45%, and this indicates that the prevalence of dental caries among females is more than males, and it was also studied according to age, and it was found that the age group between 20-30 was the most.