The most common cause
malodour The mouth is the accumulation of food debris
and bacterial plaque on teeth and tongue
caused by poor oral hygiene and resultant gingival
(gum inflammation) and gum disease (gingivitis / periodontal)
disease. Although most types of gingivitis. And
periodontitis can give rise to malodour, necrotising acute
gingivitis ulcerative (Vincent's disease trench
mouth), the most prominent cause halitosis.