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Health

How often should your toothbrush be replaced? Dental health expert’s take

hellohimachalse@gmail.com 22 Oct 2026 47 min ago

Published: October 22, 2026 04:57 PM IST

Good oral hygiene is directly linked to overall well-being, yet many people follow flawed daily routines without realising the damage they might be causing. From scrubbing teeth too hard to using an excessive amount of toothpaste, simple mistakes can compromise dental health over time. Dr Theertha Hemanth of Theerthas Tooth Affair Dental Clinic in Kottayam gives tips on when to replace toothbrushes, how much toothpaste to use, routine checks and more.

Ditch the old toothbrush regularly
Toothbrushes should be replaced every two to three months. Over time, worn-out bristles lose their effectiveness and fail to clean teeth properly. Maintaining a regular habit of brushing twice a day — once in the morning and once before going to bed — is essential for optimal oral health.

Less is more when it comes to toothpaste
There is a widespread misconception that brushing for longer or using large amounts of toothpaste yields whiter teeth. In reality, a pea-sized amount of toothpaste is more than enough for adults. Brushing should last no longer than two to three minutes using a soft-bristled brush, applying gentle strokes rather than aggressive scrubbing.

Professional guidance and routine checks
Over-the-counter whitening toothpastes should only be used on the advice of a dentist. Visiting a dental professional every six months for a routine check-up and thorough cleaning ensures potential issues are identified early.

Do not ignore baby teeth or warning signs
Parents often overlook the importance of children’s primary or milk teeth, assuming they do not matter since they will eventually fall out. However, the health of milk teeth directly impacts the development and health of permanent teeth. Additionally, symptoms like bleeding gums while brushing should never be ignored, as they indicate underlying gum disease. If you experience a toothache, avoid self-medication and seek prompt professional dental treatment.

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