What is halitosis(bad breadth or mouth odour )?
Halitosis, also called bad breath/mouth odour, or fetor oris, is a symptom in which a noticeably unpleasant odor is present on the exhaled breath( what you breath out through the mouth ).

Bad breath, also known as halitosis or fetor oris, affects an estimated 25% of people, globally. There are a number of potential causes of halitosis but the vast majority come down to oral hygiene.

CAUSES OF BAD BREATH OR MOUTH ODOUR :
1.Tobacco
2.Dry Mouth
3.Food
4.Dental Hygiene
5.Crash diets
6.drugs
7.Mouth ,throat and nose conditions
8.Foreign body
9.Diseases

Always Remember this about Bad breath or mouth odour:

>>Here are some key points about bad breath.

#1 Bad breath is estimated to affect 1 in 4 people globally
#2 The most common cause of halitosis is bad oral hygiene
#3 If particles of food are left in the mouth, their breakdown by bacteria produces sulfur compounds
#4 There are a number of common causes of bad breath, including smoking, tooth decay and alcohol consumption
#5 Keeping the mouth hydrated can reduce mouth odor
#6 Bad breath in children is often due to a trapped item in the nasal cavity
#7 Rarer causes of bad breath include bowel obstruction, ketoacidosis and aspiration pneumonia
#8 The best treatment for bad breath is regular brushing, flossing and hydration
#9 Crash diets can cause bad breath because of the build-up of ketones.

NOTE! NOTE! NOTE!

NOTE ! Although bad breath is associated with certain diseases, poor oral hygiene is the most common cause of bad breadth.

NOTE ! 30 0ut of 100 cases of halitosis are halitophobia ( a condition when you think you have bad odour .

source:http://www.adorableskinandhair.com/why-all-beautiful-women-should-takes-mouth-odour-bad-breadth-serious-and10-ways-to-take-care-of-mouth-odour-bad-breadth/

Mouth odour is easy to get rid off since poor or bad oral hygiene is 80% causes off it......