Studies, Public health, Health aspects, Research, Analysis, Usage, Children, Education, Microbiology, Microorganisms, Dentistry, Disinfection - methods, Equipment Contamination - prevention & control, Disinfection & disinfectants, Toothbrushing - instrumentation, Candida albicans - isolation & purification, Chlorhexidine - therapeutic use, Streptococcus muta...