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Xerostomia, more commonly known as dry mouth, is a condition caused by a lack of production of saliva. This can cause problems because saliva is integral in the mouth for eating, talking and the regulation of bacteria. There are hundreds of millions of bacteria that live in the warm and moist oral cavity controlled by saliva, so any interruption in this process can cause the numbers of bacteria to rise sharply. This can cause unpleasant oral hygiene conditions such as halitosis.
This lack of saliva can also lead to a dramatic rise in the number and seriousness of dental cavities. Saliva also removes bacteria that form part of the filmy substance called plaque, which causes enamel erosion. Plaque releases acid when the bacteria and food debris in it break down gradually destroying the protective layer of enamel and causing cavities. Saliva is the mouths natural defence against plaque so a drop in production can be dangerous for your teeth. Saliva also has the effect of re-mineralising the enamel, making it stronger and more resistant to attack from plaque acids.
Xerostomia is caused by a number of factors ranging from alcohol consumption in excess, diabetes and even physical trauma. It is also a common side-effects of many medications such as anti-depressants. Treatment usually involves eliminating the cause of the problem and paying extra attention to oral hygiene. This will certainly help to reduce the impact of bad breath and dental cavities. Central London dentists can examine your mouth for the signs and symptoms of xerostomia and can offer advice and improved hygiene methods to help you deal with this unpleasant condition.