Clinical photos of case #1 illustrating the healing progression of one MaRAS and seven clusters of herpetiform RAS at different timepoints. (a) T0 (pre-treatment): one MaRAS and seven herpetiform lesions occupying the keratinised and non-keratinised buccal mucosa of UR3 and UR4, extending to buccal vestibule; (b) shows >50% complete healing (Grade II) at T3, whereas the seven herpetiform lesions showed complete healing (Grade I), apart from one lesion which showed >50% complete healing (Grade II); (c) shows all the lesions healed completely at T4, (d) shows two-week follow-up (T5), where all the lesions healed completely without evidence of erythema or recurrence; (e) shows 3-month follow period (T6) where no evidence of recurrence.