✔ 最佳答案
Halitosis(bad breath) can be caused by mainly
1) local problems or
2) systemic problems
3) external causes
Local problems can be
1) bad smell from the gum diaeases which mainly caused by calculus(teeth stone) and plaque . many bateria traped in the teeth stone and plaque which produce bad smell gases.
2) bad smell from the decayed teeth . the holes on the teeth traped germs and food which causes the production of bad smell
systemic problems can be
1) digestive system diseases like constipation and stomach disease
2) liver disease which sometimes causes high blood level ammonia which will release from the breathing action
3) respiration system (breathing system) eg lung infection
external causes
1) food eg durian, onion, curry
2) drink eg alcohol, coffee
3) cigarette
For a healthy person, excluding external causes, the most common reason for 口好臭 is GUM DISEASE.
the method is
1) brush teeth 2 times a day in correct method
2) go to dentist for scaling( professional teeth cleaning) yearly to remove the teeth stone which cannot be removed by daily brushing
3) flossing
4) mouth rinse or chewing gum can mask the bad smell but cannot treat the original problems
5) brushing the tongue and palate as bacterias adhere the them