Two minutes, twice a day — and technique matters more than pressure
Most people brush too hard and for too little time, and the first one does real damage. The forty-five degree angle, the surface everybody skips, and why rinsing after brushing undoes half the benefit.
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Gums that bleed when you brush are not normal
Bleeding is the first stage of gum disease and the stage where it is still completely reversible. Why it is painless the whole way through, what makes it worse, and the point at which the damage stops being undoable.
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Sensitivity to cold is information, not just an annoyance
A short, sharp twinge is usually harmless and manageable at home. Pain that lingers, wakes you at night, or comes from heat is a different signal entirely — and that one decides whether a tooth is saved.
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Bring children early, before anything hurts
The most useful thing you can do for a child's teeth has nothing to do with teeth: make sure their first visit is a boring one. When to start, why baby teeth matter, and the words that quietly make it worse.
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