This could be because of difference in your cheek and tongue forces, or could be because of high frenal attachment, but once visit a dentist for clinical evaluation, can be treated and nothing to worry.
Hi. Kindly visit a dentist who will examine the teeth and suggest you appropriate treatment as your question is very vague and so difficult to suggest you any treatment based on that.
Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.