Depending on the active ingredients they contain different types of mouth rinse can be used to prevent dental caries, periodontal disease or reduce tooth sensitivity.
Fluoride mouth rinse
Most of the fluoride mouthrinse on the market contains 0.05% Sodium Fluoride (NaF), which provides extra fluoride to the people who need it. Using it once daily will give additional protection against dental caries.
Anti-plaque mouth rinse
It inhibits plaque accumulation, thus reducing the chance of gingivitis (inflammation of the gums). The active ingredients include Triclosan, Thymol, Cetylpyridinium Chloride (CPC), etc. However, none of them have been proven to be very effective in preventing periodontal disease.
Plaque-control mouth rinse
Chlorhexidine Gluconate has been proven to have an antimicrobial effect, hence the prevention of periodontal disease. However, long term use of Chlorhexidine will stain the teeth, alter the taste sensation and may cause recurrent ulceration of the oral mucosa.
Desensitizing mouth rinse
This kind of mouthrinse contains active ingredients such as Potassium Nitrate which seals the dentinal tubules at the sensitive site, thus reduces tooth sensitivity. However, desensitizing mouthrinse is not intended for long term use. You should always consult your dentist whether you need the desensitizing mouthrinse and follow his instruction on how to use it.