Controlling Opportunistic Pathogens in the Oral Cavity of Preschool Children by the Use of 3DS

Dental cariesand periodontal diseaseare two major diseases that affect the oral cavity.StylePtOCOCCuS mutanS and Lactobacillus areknown as major pathogens for dental caries, while PoTPhwomonow gingivalisand A ctinobacillw actinomycetemcomitans have been shom to be involved with periodontal disease Other types of bacterial infectioT also have clinical significance in aged groups ( 1 ) predisposlng them to serious systemic infection (2).Staphylococcus aweus may cause pneumonia in older veterans (3) Thoughdata on the prevalence of oral bacteria inthe elderly (4-6) are available, such data regarding young people are few In the present study, We focused on opportunlStic pathogens in the oral cavities of preschool children.