1. Self-assessments test which include Cupped Breath Test where the person is instructed to smell the odour emanating from the entire month by cupping their hands over their mouth and breathing through the nose.
2. In wrist lick test subjects are asked to extend their tongue and lick the wrist in a perpendicular fashion. The presence of odor is judged by smelling the wrist after 5 seconds at a distance of about 3cm.
3. Saliva odor test involves having the subject spit out approximately 1-2ml of saliva into a Petri dish. The dish is covered immediately and incubated at 37°c for five minutes and then presented for odour evaluation at a distance of 4cm from the nose.
4. Objective tests include Organoleptic Measurement, Gas Chromatography (GC) and Sulphide Monitoring.
How to get rid of bad breadth
1. Mechanical reduction of intra oral nutrients and micro-organism can be done through,
- Tongue cleaning
- Professional cleaning
- Inter dental cleaning.
2.Chemical reduction of microbial load in the oral cavity can also be done through the uses of the following rinses,
- Essential Oils
- Chlorine Dioxide
- Hydrogen Peroxide
- Oxidizing Lozenges
3. Masking the bad odour by using flavoured rinses, mouth sprays, and lozenges containing volatiles can be done but are only temporary measures.