There are very few people who have never experienced that sudden jarring pain following a bite of ice cream or taking a sip from an ice-cold or hot drink.
This article will consider the causes, the dos and dont’s, and the prevention and maintenance of tooth sensitivity (fancy name: dentine hypersensitivity – DHS).
There is a wide variety of dental pains (aren’t we lucky!). If you’re suffering from sensitivity this will be a sharp, instantaneous, short-lived pain, which almost always will have a triggering cause.
DHS can have a detrimental effect on the quality of life. It causes a lot of discomfort, which can lead to a person avoiding particular foods, avoiding toothbrushing (which could lead to other dental conditions such as tooth decay and/or gum disease) and becoming fairly anxious (i.e. being constantly apprehensive about when the next episode will happen).
what triggers sensitivity
Cold or hot drinks/food
Acidic foods and drinks
Eating something sweet
Breathing cold air
Bleaching of the teeth
Metal (e.g. biting on a spoon)
Chipped or broken tooth
What are the symptoms of sensitive teeth?
Sensitivity to hot or cold temperature
Unpleasant reactions to hot foods and drinks
Pain or discomfort with hot foods and drinks
Pain while flossing or brushing your teeth
Sensitivity to acidic and sweet foods and drinks
What causes sensitive teeth?
Sensitivity develops due to tooth surface loss, whereby the outside protective layer of the tooth (enamel) is lost and the dentine becomes exposed (which is a very sensitive tooth tissue).
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Different types of sensitive toothpaste work differently. If you find that the one you use isn’t effective after using it for a while, try to switch to a different make.
If you have an area of sensitivity you can use sensitive toothpaste as a varnish. Before you go to bed (after toothbrushing) rub a layer of sensitive toothpaste on the affected area and leave it on for the night.
Use fluoride mouthwash for additional fluoride protection. Make sure you are using it at a different time than toothbrushing.
Make sure you visit the dentist regularly. Tooth surface loss needs to be monitored carefully, and if necessary (depending on the progress of the damage to the tooth/teeth) the treatment for it will have to be altered.
How can you prevent tooth surface loss?
Use fluoride toothpaste. Fluoride strengthens the teeth; therefore making the teeth more resistant to any damaging effects. The ideal concentration is between 1350 and 1500 ppm (this information is displayed on the tube of the toothpaste).
Try to avoid using abrasive kinds of toothpaste. These include whitening or smokers toothpaste. Try not to fall into the trap of what they promise you. They only lighten the teeth slightly and often it is not worth these minor results if you consider the damage they can cause, due to their abrasive nature.
Don’t brush too vigorously. If you are thinking of purchasing an electric toothbrush it is worth making sure that it has a pressure sensor (some light up or stop if you are pressing too hard). If you are using a manual toothbrush make sure you are not too overzealous with it. Ideally, choose a manual toothbrush which has soft bristles.
Don’t brush your teeth straight after eating or drinking (unless it is water). The by-product (acid) produced by the bacteria when we eat weakens the teeth //read my article‘Is chocolate really bad for your teeth?’for more explanation//, and if you brush straight after you can scrub away the weakened tooth tissue.
Don’t eat straight after tooth brushing. Let the fluoride do its magic. In both instances (this and the one above) wait at least 30 minutes to 1 hour in between.
Spit the toothpaste out. Don’t rinse with anything. The toothpaste residue contains very important fluoride and if you wash that away it was all in vain.
Try to avoid eating or drinking anything acidic (e.g. citrus fruits, fruit juices, fizzy drinks, white wine, cider, pickles etc). Preferably have those with meal times. If you want to drink fizzy drinks/fruit juices, use a straw (this way you won’t bathe your teeth in them).
If you have an episode of emesis (vomiting), try to withstand the urge to brush your teeth straight away (the contents of your stomach are very acidic). Rinse your mouth with water or mouthwash. Alternatively, you can chew sugar-free chewing gum. Wait at least 30 minutes for your mouth to recover from the acid attack before you brush your teeth.
What can you do if you have sensitive teeth?
There are a few ways you can manage DHS at home.
However, sometimes intervention by the dentist or dental therapist deems necessary.
Some methods are (but are not limited to): the application of desensitising agents or fluoride varnish, prescription of toothpaste with high fluoride content, and placing a filling on the affected area to protect the tooth from further damage and reduce the sensitivity. Here’s a list of things you can do at home:
Adhere to all of the above advice to make sure you are not causing further damage to your teeth.
Use sensitive toothpaste (with the right amount of fluoride content). There are many different types of toothpaste with desensitising properties (possibly the most popular make is Sensodyne). You need to keep in mind, that none of these kinds of toothpaste will work immediately (you have to give it about 1 to 2 weeks of consistent use).
Even if you are certain that you are suffering from tooth sensitivity it is advisable to consult your dentist (the latest at your routine check-up or sooner if your symptoms are getting worse).
DHS can be a real burden. Some people think that this is something they need to tolerate and live with. However, there are methods/treatments to reduce and sometimes even to eliminate it.
At the end of the day, you don’t want to be the person who has to say no to a lovely ice-cold drink (non-alcoholic, obviously) on a hot, sunny day.