Tooth Sensitivity is experiencing pain or discomfort in one or more teeth that are induced by cold, hot, sweet, or sour foods and drinks, or even by breathing cold air. It is a very common problem that affects approximately half the population. This problem may come and go over time.
Why it occurs?
When the dentin becomes exposed (underlying layer of teeth) as a result of receding gum tissue, tooth sensitivity occurs. The roots contain small pores or tiny tubules which lead directly to the nerve of the tooth. Stimuli reach the nerve through these dentinal tubules. Another thing is that the root is not covered by enamel. So, when gum tissue is removed and root is exposed, stimuli (hot, cold, or sweet food) trigger the tooth nerve and results in pain or discomfort. Factors (Causes) that may lead to sensitive teeth may include:
- Brushing too hard or with too much pressure
- Using a hard-bristled toothbrush
- Aging
- Taking foods with a high acid content regularly
- Poor oral hygiene
- Presence of plaque on the root surfaces
- Broken, chipped, cracked or fractured teeth
- Nerve damage in the root
- Tooth whitening products
- Tooth Caries
- Teeth Grinding (Bruxism)
- Periodontal Disease
- Tooth Erosion
- Long-term use of mouthwashes
- Routine dental procedures- following teeth cleaning, filling, root planing, crown placement, and tooth restoration (temporarily, no need to worry)
- Decreased saliva flow
How to Prevent it?
Ways of Prevention are-
- See a dentist at regular intervals
- Use a soft-bristled toothbrush
- Maintain good Oral Hygiene
- Use desensitizing toothpaste
- Reduce taking highly acid foods
- Avoid teeth grinding
- Avoid brushing teeth for at least 1 hour after taking erosive food or drink e.g. fruits, salads and sports drinks (you may rinse with water/ fluoride solution instead of brushing)
- Treatment of other Dental Problems that may cause tooth sensitivity
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