The heads should be changed every three months because after this period of use, the filaments become frayed, plaque is less easily removed and bacteria accumulates on them.
Why should the heads be changed every 3 months? Print
Modified on: Wed, 16 Nov, 2022 at 4:25 PM
Did you find it helpful? Yes NoSend feedback
Sorry we couldn't be helpful. Help us improve this article with your feedback.