What is dentine hypersensitivity?
Dentine hypersensitivity (DH) is a brief, sharp, painful sensation that strikes you when you consume hot/cold, sweet/sour food or beverages. The pain can also occur when you brush your teeth or when breathing in cold air into your mouth.
Dentine hypersensitivity is a widespread problem
- Around 40% of the adults suffer from dentine hypersensitivity.
- Up to 98% of patients who undergo dental procedures are affected.
- DH occurs more often between 30 and 40 years of age and affects women more often than men.
- Patients who undergo dental procedures are 4 times more likely to develop DH.
What causes it ?
Dentine hypersensitivity is caused by a combination of enamel erosion and receding gums.
Factors leading to enamel erosion include:
- Brushing too hard with too much pressure
- Brusing immediately after meals (when your teeth is softened by acidic food or beverage)
- Eating and drinking acidic food or beverages, such as soft drink.
- Grinding your teeth during sleep
Factors leading to receding gum include:
- Poor oral hygiene which can cause gingivitis, whereby the gum is inflamed and may bleed
- Excessive brushing and flossing of teeth
- Use of hard-bristled toothbrush.
** Acidic food or beverages can “soften” or even “dissolve” the enamel of your teeth, making it susceptible to erosion caused by tooth-brushing.**

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