1-9 of 9 Answers
When the blue area on the brush almost disappears.
Sorry, there was a problem. Please try again later.Depends on usage, but our family finds every 6 months is sufficient. You can tell it's time to replace if the bristles look frayed at the ends.
Sorry, there was a problem. Please try again later.It depends on how often one brushes their teeth. I use my up to 6 months.
Sorry, there was a problem. Please try again later.Hello! Sonicare recommends that you replace your toothbrush head once every 3 months.
Sorry, there was a problem. Please try again later.every 3 months
Sorry, there was a problem. Please try again later.AreAre most heads compatible with the HX8910? most heads compatible with HX8910
Sorry, there was a problem. Please try again later.Every 2-3 months, depending on how often the toothbrush is used everyday.
Sorry, there was a problem. Please try again later.You should change them every 6 months when you get your teeth cleaned.
Sorry, there was a problem. Please try again later.Just like your normal tooth brush every 3 months.
Sorry, there was a problem. Please try again later.