subject: Sensitive teeth [print this page] What causes sensitive teeth?
Many adults suffer from sensitive teeth and are most common when the root surfaces of the teeth become exposed. The root surfaces of the teeth can become exposed due to gum disease or excessive brushing.
Tooth sensitivityis more noticeable when drinking or eating something cold, from cold air and sometimes with hot foods or drinks.
One other cause of tooth sensitivityis the loss of tooth enamel which is generally due to very acidic foods and drinks.
Your tooth is made up of substances called enamel anddentine.
Once the enamel has wornawaythe dentine becomes exposed.
Dentine is made up of microscopic tubules.
The microscopic tubules run from the outer edge of the dentine to the inner centre which contains the tooth's nerves.
The microscopic tubules contain fluid, this fluid moves when it is exposed to cold, heat, touch or high sugar concentrations.
The interference stimulates the nerves and causes pain and discomfort.
How can I stop my teeth being sensitive?
There are many types of toothpaste on the market today which can help relieve the pain and discomfort you may be experiencing.
Toothpaste can help by:Numbing the tooth nervesBlocking the open dentine tubulesThere is a wide range on desensitising toothpastes sold in supermarkets, they contain potassium salt. Potassium salts is the main ingredient which blocks the dentine tubules.Colgate sensitive pro relief and Sensodyne are recommended by thousands in the UK.Brushing with the sensitive toothpaste morning and night is an effective way to help reduce sensitivity. By rubbing the toothpaste on the sensitive area can also help reduce sensitivity.For best results you are advised to use the toothpaste daily for 4-8 weeks.If you find that your still experiencing problems after the advised 8 weeks you may need to pay your dentist a visit.Your dentist will be able to discuss your symptoms and devise a treatment plan to suit your needs. Treatments can include fluoride gels, mouth rinses or de-sensitising varnishes.Sensitive teethBy: Rachael Schofield
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