It is imperative to differentiate between the systemic and oral causes of bad breath.
Bad breath (halitosis) can be divided into systemic causes (which are by far the most common) and oral causes (so-called fetor oris – ‘smell from the mouth’) which are less common.
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The systemic conditions which cause halitosis are (in order of frequency):
Diet - especially dieting, unbalanced diet, high protein diets
Sinusitis and post-nasal drip
Tonsillitis
Inflamed adenoids
Stomach ulcers
Lung abscesses
The oral causes are:
Lack of good oral hygiene
Periodontal (gum) disease including acute ulcerative necrotising gingivitis (trench mouth)
Extremely decayed or broken down teeth
Tooth abscesses and ulcers
The build up of sulphur-producing bacteria at the very back of the teeth
You can determine whether you have a build-up of bacteria by taking a piece of clean gauze and pushing it to the back of your moth so that you start gagging. Remove the gauze, place it on a clean tissue, cover with a clean bowl and allow to dry out. If the dry gauze stinks you need to visit one of the many fresh breath clinics which will prescribe special mouth rinses and gargles to kill these bacteria. They will teach you how to clean the back of your tongue.
If the gauze does not smell, consult a medical doctor to rule out systemic causes.
Brought to you by the South African Dental Association (SADA) in the interests of healthy teeth, a healthy mouth and a healthy smile. Contact: SADA on 011 484 5288 or Share-Call 0860 110 725 or email : nstanley@sada.co.za.
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