it could be apthous ulcer. it occurs due to increase in body heat, increase in working stress, lack of good sleep, loss of vitamins and so on. take more fruits, curd, water sleep welll

Ulcers are of various kinds and etiology. The ulcers present in the mouth cannot be easily diagnosed it requires an expert and experienced specialist who will examine and give the proper diagnosis and remedies. The specialist u need to consult is an Oral Medicine expert who is a specialist in Mouth diseases and cancers. U may alternatively practo consult ( paid consultation) for an elaborate opinion

Hai....if the ulcers appearing in the same area of mouth do a dental checkup to find out if its because of any sharp tooth...Tooth ulcers could have many underlying reasons...Regarding treatment of ulcers you could apply topical anaesthetic gel and ulcers found to be effective when using curd.Hope this answer is helpful to you.Thank you.

Attach some pictures of that region.