Exposure to second hand tobacco smoke (acute) (chronic)
Passive smoking (acute) (chronic)
Diseases of lips
Cheek and lip biting
Leukoplakia and other disturbances of oral epithelium, including tongue
Leukoplakia of oral mucosa, including tongue
Minimal keratinized residual ridge mucosa
Excessive keratinized residual ridge mucosa
Leukokeratosis nicotina palati
Other disturbances of oral epithelium, including tongue
Hairy leukoplakia
Granuloma and granuloma-like lesions of oral mucosa
Oral submucous fibrosis
Irritative hyperplasia of oral mucosa
Other and unspecified lesions of oral mucosa
Unspecified lesions of oral mucosa
Other lesions of oral mucosa