The bad breath oral origin or exogenous causes can be prevented with proper oral hygiene, resorting to the use of tongue scrapers and / or elixirs suitable.

Poor oral hygiene, tooth decay, gum disease, oral ulcers, oral infections, poorly cleaned dentures, hypoplasia (reduced salivary flow) and oral cancer are the main causes of oral halitosis.

The main causes of halitosis are: oral, external or exogenous (such as eating certain foods, garlic, onions, certain spices, eg..) And systemic diseases (gastric pathology, diabetes, eg).