THE SMELLS OF BAD BREATH
"Bad Breath is due to a bacterial imbalance of the biofilms of the mouth and throat".
Bad Breath Smells are the waste products from thousands of anaerobic (non-oxygen) bacteria living in our mouths. Anaerobic bacteria aid in digestion and help to break down proteins to amino acids (building blocks of life). However proteins that contain Cysteine or Methionine can break down directly to smelly sulphur compounds. Some of these proteins are dairy products, nasal mucous, gingival fluid, and egg yolks.
Anaerobic bacteria that thrive on Nitrogen will break down to nitrogen based compounds such as Skatole (the smell from Skunks) and Putrescine. These bad breath compounds are far more rare and only account for under 10% of all bad breath smells.
But anaerobic bacteria are not the bad guys. They are a very hardy type of bacteria and thus can dominate the mouth if given the correct mouth environment. But this hardiness the bacteria exhibit also is used by the body to keep Candida infections at bay. So removal of all anaerobic bacteria can easily lead to a Candida overgrowth. The correct aim is to have mouth harmony. By that I mean the correct amount of aerobic and anaerobic bacteria living together. This is achieved by using a dominant probiotic bacteria such as KForce K12 to police the mouth environment.
Dr Speiser from Australian Breath Clinic (an Australian Dental and Bad Breath Clinic) is at the forefront of bad breath treatment. His relationships with BLIS Technologies (a public New Zealand Company), Otago University (a New Zealand University) and Professor John Tagg (a microbiologist at Otago University), have led to the discovery of BLIS producing Streptococcus salivarius K12, to treat bad breath and halitosis. This discovery is marketed worldwide as KForce K12 probiotics. This bacteria has been shown to be able to fight the bacteria that cause bad breath, halitosis and sour tastes. It is a natural bacteria that lives in 2% of the world's population. It typically is present in those people that are fit healthy and never become sick. The results have been published in many respected microbiology journals, and ratified by other specialists at Harvard University.
BreezeCare has formed a very close association with these entities and is proud to be the first company in the world to offer KForce K12 probiotic bacteria in the form of a mouthwash, lozenge and chewing gums to help fight the bad breath bacteria in your mouth.
Bad Breath Smells...What are They?
To be specific, bad breath smells are mainly caused by the the bacteria Treponema denticola, Porphyromonas gingivalis, Prevotella intermedia, Tannerella forsythensis, Porphyromonas endodontalis and Eubacterium Species. These particular bacteria digest proteins and make amino acids. the amino acids are then broken down to many compounds, however two of the main compounds are Hydrogen Sulphide and Methyl Mercaptan. These are the two main compounds that cause the smells and tastes of bad breath. Below is a table that shows the different smells made by bacteria in your mouth. These bacteria can not be eliminated as they serve an important purpose in our body. Rather we aim to control their excessive growth and achieve good bacterial balance, so that these bacteria can function normally.
Mouth Compound |
The Smell Made |
| Methyl Mercaptan (CH3SH) |
faeces |
| Hydrogen Sulphide (H2S) |
rotten eggs |
| Dimethyl Sulphide (CH3SCH3) |
cabbage, sulphur, gasoline |
| Skatole(3-methyl-1H-indole) |
mothball, faeces |
| Cadaverine C5H14N2 |
corpses, urine |
| Putrescine(NH2(CHH2)4NH2) |
decaying flesh |
| Isovaleric acid |
sweat, rancid-cheese, off-milk |
Can these smells come from other parts of the body?
A lot of bacteria are not unique to the mouth alone. Therefore similar bacteria in other parts of the body can make similar smells. Please do not confuse this by thinking that smells such as faeces odour mean the bad breath is coming from the bowel etc. Bad breath is a problem of the mouth, throat and nasal areas. It is not a problem of the liver, bowel or other organs.
The Dr Speiser's Australian Breath Clinic has treated thousands of patients either directly at our clinic or with our Internet Breath Quizzes. We have had good success in focusing treatment of bad breath specifically on the bacteria that cause this embarrassing problem.
Symptoms of Bad Breath 
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