Halitosis: causes, diagnosis, and treatment.

Halitosis is a major concern to the general public and the source of a multimillion-dollar industry world wide. Although the aetiology may be localised to the oral cavity in up to 90 percent of instances, halitosis may indicate a serious underlying medical condition necessitating medical referral. In general, halitosis of an oral cause can be safely and easily diagnosed and treated by the general dental practitioner.