Physical signs often indicate the need for replacement before the three-month mark. Splayed or frayed bristles provide the most visible indication of wear while discoloration suggests bacterial ...

Here are some signs to watch for: ・Frayed bristles: If the bristles are sticking out or curling, it's time for a new brush. Worn bristles can't clean as effectively. ・Discolouration ...

He added: “Frayed or bent bristles indicate you need to change the toothbrush, they also will not be cleaning the teeth as ...