ORAL MALADOR Halitosis is a term used to describe noticeably unpleasant odor exhaled in breathing. Synonym- Breath malodor, foul breath, fetor oris Or simply bad breath. CLASSIFICATION OF HALITOSIS- 1) GENUINE HALITOSIS- A) Physiological halitosis B) Pathological halitosis a) Oral b) Extra oral 2) PSEUDO-HALITOSIS- Obvious malodor is not perceived by others, although the patient stubbornly complains of its existence. HALITOPHOBIA- After treatment for genuine halitosis or pseudo-halitosis the patient persist in believing that he or she has halitosis. ETIOLOGY- At least 90% of all malodor originates from the oral cavity. Whereas, the remaining 10% has systemic or normal causes. The most common physiological and pathological causes of halitosis are- CAUSES FOR PHYSIOLOGICAL HALITOSIS- 1) MOUTH BREATHING. 2) MEDICATION 3...