Tongue sores are commonly oral ulcers, lingual inflammation, oral herpes and so on. 1. Mouth ulcers are a common disease in stomatology, lip and cheek mucosa or tongue redness, swelling and concave pain, pain is more obvious, two weeks or so can be self-healing, if more than two weeks did not heal, you need to consult a doctor for examination in a timely manner. 2. Tongue inflammation will also appear tongue pain, erosion, etc., mostly seen in poor oral hygiene or bacterial fungal infection, as well as the abuse of antibiotics. 3. Oral herpes can also cause ulcers and erosions on the tongue, which is caused by herpes virus infection. In addition to this, sharp tooth stumps in the mouth can also stimulate ulcers on the tongue. So sores on the tongue are mostly seen in the above mentioned conditions and can be treated at the dentist’s office.