Table 2. Definitive diagnosis by secondary referral centre.

Clinical/histological	Number of patients (of those who attended oral medicine clinic)
diagnosis	Phase I	Phase II	Total
Potentially malignant disorders
Dysplasia	3	6	9
Oral sub-mucous fibrosis	1	4	5
Lichen planus	0	3	3
Total potentially malignant disorders	4	13	17
Benign lesions
Keratosis	9	22	31
Candidiasis	0	1	1
Fibro-epithelial polyp	0	1	1
Physiological pigmentation	1	2	3
Haemangioma	0	2	2
Total benign lesions	10	28	38
Total	14	41	55