LOCALIZATION FREQUENCY DISEASES
MOUTH 90% Dental caries, periodontal diseases, tongue coating, exposed tooth pulps, healing wounds, interdental food impaction, dentures not cleaned properly, restorative crowns not well adapted, ulcerations, Dry mouth, fistula, and oral cancer.
ENT AND RESPIRATORY SYSTEM 8% Pharyngitis, tonsillitis, sinusitis, foreign body in nasal or sinusal cavity, bronchitis, bronchial carcinoma, bronchiectasis
DIGESTIVE SYSTEM 1% Regurgitation esophagitis, Hiatal hernia, Helicobacter pylori infection
OTHERS 1% Kidney insufficiency, Hepatic failure, Diabetes, Psychogenic factors, Halitophobia, Starvation, Trimethylaminuria, Some foods such as garlic, onions, meat, fish, and cheese, Habits: smoking, alcohol
Table 1: Main Causes of Halitosis.