Summer in Kotdwar means cold drinks and ice — and for many people, a sudden sharp pain in one or more teeth. That short, sharp twinge is called dentine hypersensitivity, and it's one of the most common complaints we see.
What causes sensitive teeth
Under the enamel is a layer called dentine, full of tiny tubes that lead to the nerve. When the enamel wears thin or the gums recede, those tubes are exposed and hot, cold or sweet triggers reach the nerve.
- Brushing too hard or with a hard brush
- Receding gums from gum disease
- Acidic food and drinks wearing away enamel
- Grinding or clenching your teeth
- A cavity, cracked tooth or worn filling
- Temporary sensitivity after whitening or a cleaning
What helps
- Use a desensitising toothpaste twice daily — it can take a few weeks to work fully
- Switch to a soft-bristled brush and gentle strokes
- Wait at least 30 minutes after acidic food or drinks before brushing
- Ask about a night guard if you grind your teeth
If one tooth is sensitive, or the pain lingers for more than a few seconds after the trigger is gone, it may be decay or a nerve problem rather than simple sensitivity. That needs an examination.
This article is general information, not a diagnosis. Please visit a dentist for advice about your own teeth.