It's hard to say whether you feel a little bent chin is caused by abnormal bones. You can consider participating in plastic surgery or oral and maxillofacial surgery in a superior hospital, and explain your purpose to the attending doctor first. When you ask the attending doctor to see the overall situation of your face and jaw, you can consider craniofacial ct plus three-dimensional imaging if necessary. The purpose is to see if there is the possibility of bone injury causing the above symptoms through the above imaging examination, and then decide whether plastic surgery is needed according to the examination results.