Always get ulcers in the mouth may be recurrent aphthous ulcers, traumatic ulcers and so on.
1. Recurrent Aphthous ulcers: the specific etiology is not clear, it may be the result of a combination of factors, such as immune system dysfunction, nutritional deficiencies, hormonal changes, mental and psychological factors, systemic diseases, bacterial and viral infections, and so on.
2. Traumatic ulcers: such as cheek biting, tongue biting, lip biting and other bad habits, residual roots, residual crowns, long-term friction of bad restorations, tongue tie is too short, the edge of the mandibular incisors is too sharp caused by friction and so on.
There may be other reasons why ulcers always appear in the mouth, and it is recommended to go to a regular medical institution to receive professional treatment.