How often does the toothbrush change? Replace and defend germs in time

How often does the toothbrush change? Replace and defend germs in time
With how often need replacing one toothbrush, this has already depended on how the quality of the toothbrush is, it depends on how users uses and protects the toothbrush.

Generally speaking, the domestic toothbrush sold on the market at present, use l-3 for a month, the tooth brush hair has been bent. The tooth brush hair bent not merely can't brush the food residue in the net slit between the teeth, still know the abrasion gingivae. So, while finding the tooth brush hair is crooked, should change a new toothbrush at once. In addition the duration overlong toothbrush is apt to retain bacteria in the head. So the general recommendation is minimum changes the toothbrush once every three months.
According to the actual conditions, the frequency that and brush teeth with situation out of shape of brush hair of the tooth per day is degree.
Find according to U.S.A.'s medical experiment, some long-term throat disease patients, if every few weeks change a new toothbrush, have obvious improvement as to the condition.
Use more than more than two months toothbrush continuously, there are germs such as white bead funguses, dissolving courageous and upright streptococcus, lung cancer bacillus and glucose coccus,etc.. Can cause diseases such as acute tonsil inflammation, angina,etc., the imperfect person as to immune system, it is apt to cause rheumatic fever, acute glomerulus nephritis. So after finishing brushing teeth each time, must rinse the toothbrush well first, locate in the dry place.
Brushing the head to put up of the toothbrush, and had better soak once with the vinegar every three to five days, at least three change a new toothbrush month, so as to ensure the clean hygiene of the toothbrush.

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