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Rinse toothbrushes and let them air-dry upright, not sealed while wet

The American Dental Association advises rinsing a toothbrush thoroughly, storing it upright to air-dry and avoiding closed storage while damp. Never share toothbrushes.

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Good toothbrush care starts with rinsing, drying and timely replacement—not extreme disinfection. ADA notes that a damp brush kept in a sealed container can promote microbial growth compared with open-air drying. Microwaving or dishwashing the brush is not recommended.

Your try-it-at-home checklist

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After brushing, rinse the bristles thoroughly with running water to remove toothpaste and debris.
Keep the brush head upright and allow it to air-dry in a ventilated place.
Use a separate toothbrush for every person and avoid letting brush heads touch when stored together.
Empty water from the holder, clean it according to its material and let it dry. Do not keep a wet brush sealed for long periods.
Replace your toothbrush about every 3–4 months, or sooner if the bristles are visibly frayed or matted.
Do not try to sanitize brushes in a microwave or dishwasher. When a travel cover is used, remove it and air-dry the brush when possible.

Your try-it-at-home checklist

Further reading

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