Have you ever felt like your mouth is as dry as the Sahara Desert itself? You can’t swallow properly, your lips are chapped and your tongue sticks to your palate. You become distracted and can’t rest until you had a sip of water (or ten).
Many of us suffer from dry mouth from time to time for various reasons, but there are people for whom this becomes a chronic condition.
This article considers the causes of a permanently dry mouth with some hints and tips on how to relieve its symptoms.
Having enough saliva in the mouth isn’t only significant for comfort and various health reasons.
As I have mentioned in one of my previous articles, saliva plays an integral part in the prevention of oral diseases. Saliva has an important role in the mouth’s defence mechanism.
It has a cleansing and neutralising effect against the bacteria which can cause decay and gum problems. It also helps the tooth in remineralisation after an acid attack (see article: Is chocolate really bad for your teeth?).
Furthermore, saliva contains an enzyme, which controls bacterial growth, therefore protecting the mouth. Various other functions: speech, mastication, taste, digestion.
The average amount produced daily is between 0.5 and 1 litre.
Certain medical conditions can cause overproduction of saliva, which results in dribbling or drooling (for example Parkinson’s disease).
On the other hand, there are factors which can cause a reduction in the saliva flow.
For instance, saliva is barely produced during sleep, which is important to know.
If after the last tooth brushing anything other than water is consumed the bacteria has the chance to cause damage throughout sleep, as the saliva isn’t there to protect the teeth.
There are other reasons and medical conditions that can cause a significant reduction in saliva flow.
Xerostomia is the term which is used for excessive dryness of the mouth.
Causes of dry mouth can be (but are not limited to):
Increased risk of tooth decay and gingivitis, fungal and yeast infections, ulcers, burning mouth sensation, tongue sticking to the roof of the mouth (especially at night), difficulty in eating and speaking and denture sticking to the mouth.
It can be advised to people who have chronic illnesses and taking medication causing dry mouth to consult with their doctor if there is a possibility to modify the medication to help to relieve the symptoms.
People who suffer from xerostomia will have to maintain excellent oral hygiene, by using fluoride toothpaste, thorough removal of plaque and use of mouthwash (use it at a different time than toothbrushing).
If necessary, a high concentration of fluoride toothpaste is available in the United Kingdom (by prescription only). It is also helpful to use a fluoride toothpaste which doesn’t contain the foaming agent called Sodium Lauryl Sulphate (SLS) as this tends to dry the mouth (a few examples of toothpaste not containing SLS: many Sensodyne products, Biotene or Kingfisher). There are moisturising gels and sprays also available to relieve dryness.
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Eating fresh fruit and vegetables can stimulate the saliva flow (however you need to be careful with the frequency of consuming those). Sipping water frequently or sucking on ice chips can also help. Chewing sugar-free gum stimulates the production of saliva, however, the downside is that people with dentures find that difficult and some people can find the habit of chewing gum ill-mannered. Using saliva substitutes and lubricating the mouth with non-virgin olive oil or sesame seed oil could help as well.
A permanently dry mouth can have serious implications on oral health and it can also harm overall well-being. The discomfort (sometimes even aches and pains due to e.g. burning mouth syndrome) can make a person socially withdrawn, interacting less with friends and family. Xerostomia can also alter one’s diet (it is likely that some foods will be avoided as they will be hard to chew and swallow), which can lead to inadequate nutrition.
It is important to consult your dentist/doctor if you notice that your mouth gets dry easily or stays dry permanently and this is something you haven’t had before (it is also worth mentioning it to your doctor if you suspect that the change is brought on by a medication you have been prescribed), furthermore if you can’t pinpoint why you are experiencing it. The dentist will give you advice; they might prescribe you a higher concentration of fluoride toothpaste and alter (most likely shorten) your recall interval if they find that you have a higher risk of developing oral diseases due to dry mouth.
To put it in a nutshell xerostomia is a very uncomfortable condition with potentially serious implications on your oral and general health.
If you have dry mouth you have to make sure you let a professional know about it to get the right advice, probable further investigation and treatment if needed.
You will have to look after your oral health by developing a strict routine and sticking to it.
Keep hydrated, keep happy and keep healthy (remember: water is a tooth-friendly liquid, which means that you can have plenty of it and as often as you like without damaging your teeth).