[Table/Fig-3]:

a) Photomicrograph of histologically normal buccal mucosa as negative control showing predominantly reddish-orange birefringence. (Picrosirius red stain, X100)

b) Photomicrograph of buccal mucosa irritation fibroma as positive control showing reddish-orange colour. (Picrosirius red stain, X100)

c) Photomicrograph of histologically normal buccal mucosa used as negative control (H&E stain, X100)

d) Photomicrograph of buccal mucosa irritation fibroma used as positive control (H&E stain, X100)