Читать книгу Basic Guide to Oral Health Education and Promotion - Alison Chapman - Страница 61
Other additives within the mouth
ОглавлениеAlthough saliva entering the mouth is sterile, it soon loses this property as it collects organic materials that are already present, including:
Microorganisms: bacteria (mainly streptococci), viruses (e.g. herpes simplex), and fungi (e.g. Candida albicans).
Leucocytes (white blood cells), which fight infection. Not present in edentulous (toothless) babies or in saliva collected from the duct, so presumed to come from gingival crevice after teeth erupt.
Dietary substances (meal remains).