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It depends on your brushing habit and frequency. I change mine at about 3-4 month similar to normal toothbrush.
Sorry, there was a problem. Please try again later.Every 3 months.
Sorry, there was a problem. Please try again later.
It depends on your brushing habit and frequency. I change mine at about 3-4 month similar to normal toothbrush.
Every 3 months.