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1.
Incidence rates of oral cancer and natural history of oral precancerous lesions in a 10-year follow-up study of Indian villagers.
Gupta, P C; Mehta, F S; Daftary, D K; Pindborg, J J; Bhonsle, R B; Jalnawalla, P N; Sinor, P N; Pitkar, V K; Murti, P R; Irani, R R; Shah, H T; Kadam, P M; Iyer, K S; Iyer, H M; Hegde, A K; Chandrashekar, G K; Shiroff, B C; Sahiar, B E; Mehta, M N.
Community Dent Oral Epidemiol ; 8(6): 283-333, 1980.
Article in English | MEDLINE | ID: mdl-6937277

Subject(s)
Mouth Neoplasms/epidemiology , Precancerous Conditions/epidemiology , Adolescent , Adult , Epithelium/pathology , Female , Follow-Up Studies , Humans , India , Leukoedema, Oral/epidemiology , Leukoplakia, Oral/epidemiology , Leukoplakia, Oral/pathology , Lichen Planus/epidemiology , Male , Middle Aged , Mouth Neoplasms/pathology , Oral Submucous Fibrosis/epidemiology , Palate/pathology , Precancerous Conditions/pathology , Smoking
2.
A study of the natural history of oral preleukoplakia.
Daftary, D K; Pitkar, V K; Gupta, P C; Pindborg, J J; Metha, F S.
Acta Odontol Scand ; 36(6): 327-31, 1978.
Article in English | MEDLINE | ID: mdl-281856

ABSTRACT

A preleukoplakia, conceived as a precursor stage of leukoplakia, is grey or greyish-white area with indistinct borders. The paper describes 659 preleukoplakias detected among 20,358 individuals in two districts in India. In Bhavnagar district 99.5% of the preleukoplakias were among men. 23.5% of the hookli (clay pipe) smokers had preleukoplakias. In Ernakulam district 79.6% of the preleukoplakias were found among men and the mixed habit group of bidi smoking and tobacco chewing had the highest prevalence (6.1%). The preleukoplakias showed a marked tendency to regress; among the bidi smokers in Bhavnagar, 75% regressed. In two patients preleukoplakia turned into carcinoma.


Subject(s)
Leukoplakia, Oral/epidemiology , Mouth Neoplasms/epidemiology , Precancerous Conditions , Adolescent , Adult , Age Factors , Aged , Female , Follow-Up Studies , Humans , India , Leukoplakia, Oral/etiology , Leukoplakia, Oral/pathology , Male , Middle Aged , Mouth Mucosa/pathology , Plants, Toxic , Precancerous Conditions/epidemiology , Precancerous Conditions/etiology , Sex Factors , Smoking/complications , Tobacco, Smokeless
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