In our study, among various types of lesions 35 cases (51%) were acute ulcers (less than 3 weeks), among them 20 were (29.4%) aphthous ulcers (sporadic), 3 were (4.4%) oral submucous fibrosis, 4 were (5.8%) oral candidiasis, 2 were (2.9%) leukoplakia and traumatic ulcers respectively, 1 was (1.4%) dental ulcer, pemphigus vulgaris, lichen planus and follicular tonsillitis respectively.
Among the study group various benign lesions were aphthous ulcers 25 cases (36.7%), oral submucous fibrosis 12 cases (17.6%), oral candidiasis 6 cases (8.8%), dental ulcers 2 cases (2.9%), pemphigus vulgaris 2 cases (2.9%), traumatic ulcers 2 cases (2.9%), lichen planus 2 cases (2.9%) and follicular tonsillitis 3 cases (4.4%).
The present study shows various lesions presented as ulcers and membranous lesions, among them patients came with ulcers were 23 cases of aphthous ulcers, 8 cases of oral submucous fibrosis, 10 cases of malignant lesions, 2 cases of dental ulcers, pemphigus vulgaris, traumatic ulcers, leukoplakia and lichen planus respectively.
Next commonest benign ulcers were Dental ulcers 4.4% (n = 3), Pemphigus vulgaris 4.4% (n = 3), Traumatic ulcers 2.9% (n= 2) and Lichen planus 2.9% (n = 2).
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Types of oral premalignant Lesions: In Table 1, out of the total 75 cases in the study, 48 (64%) cases were of oral submucous fibrosis (Figure 1), 13 (17.3%) cases were of leukoplakia, 6 (8%) cases of erythroplakia (Figure 2), 5 (6.6%) cases of traumatic dental ulcer (Figure 3) and 3 (4%) cases of lichen planus.
In traumatic dental ulcer patients, higher incidence was found in the age group of 41-50 years (2 cases).
Out of 5 cases of traumatic dental ulcer in the study, 3 had ulcer over the buccal mucosa (60%) and 2 cases over the tongue (40%).
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