Measurements of Halitosis: Merits and demerits of various techniques

"Bad breath" (1550BC Ebers Papyrus) has been recorded in the literature for thousands of years and has only come to the force, as it can be a significant social handicap in sophisticated world. Modern literature on bad breath dates back to a monograph published in the 19th century itself. Prevalence is unclear, assessment is difficult and treatment strategies to control oral malodor are primarily directed at reduction of total bacterial counts in the oral cavity. In the present article, we would like to discuss the merits and demerits of different instruments used to measure halitosis.