Evaluate subjective responses to questions that are asked about using the study product 5

There are several types of chewing tobacco (smokeless form of tobacco) habits in India featuring use of BQ (fresh betel leaf, fresh areca nut, slaked lime, catechu and tobacco), pan masala (areca nut, slaked lime, catechu, condiments and tobacco), mainpuri (tobacco, slaked lime, areca nut, camphor and cloves), mawa (areca nut, tobacco and slaked lime), khaini (tobacco and slaked lime), gutka (an industrially manufactured food item) and other smokeless tobaccos (mishri, gudhaku, bajjar, etc.).[13] Exclusion criteria Age over 40 years Alcohol consumption Combination of tobacco (smoke and smokeless form) History of any other habits (tongue thrusting, mouth breathing, bruxism) History of trauma to the head and neck Denture wearers Pregnant and postmenopausal women History of radiotherapy Patients with systemic or salivary gland diseases or under any drug therapy Patients with any lesion in the oral cavity.[19] After obtaining informed written consent, a thorough case history was taken followed by careful oral examination

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Pheromonal activity of single castoreum constituents in beaver, Castor canadensis., Mller-Schwarze, D and Houlihan, P.W., Journal of Chemical Ecology , April 1991, Volume 17, Number 4, Springer Netherlands, doi:10.1007/BF00994195 Neutral compounds from male castoreum of North American beaver, Castor canadensis