HOW OFTEN SHOULD I CHANGE MY TOOTHBRUSH, ROOTZ DENTAL CARE NAVLUR. Every 3 to 4 Months: Replace your toothbrush regularly to ensure effective cleaning. Worn Bristles: Change it sooner if the bristles become frayed or worn out. Illness: Replace your toothbrush after recovering from an illness to avoid reintroducing germs. Electric Toothbrushes: Follow the same guidelines of replacing the head every 3 to 4 months. Children’s Toothbrushes: Kids’ toothbrushes may need more frequent replacement due to wear and tear. Proper Storage: Keep your toothbrush in an upright position to allow it to dry completely between uses and prevent bacterial growth. Avoid Sharing: Never share your toothbrush with anyone to prevent the spread of bacteria and viruses.ROOTZ DENTAL CARE NAVALUR.