: In addition to the various dental diseases inside the mouth, the problem that always occurs is the mouth sores. Injuries to the lips , throat , tongue or palate for any reason can be termed as mouth sores. Although these lesions are temporary and common in most cases, they can become chronic and lead to serious cancer. Ulcers can occur in the mouth for a variety of reasons , such as bacterial ulcers, ulcerative gingivitis, which causes sores and inflammation of the gums. Two types of germs cause this disease. This rapage causes pain and bad smell in the gums. There is fever in the body. The lymph glands under the jaw may become swollen. A fungal infection is a type of fungus that forms a white coating on various parts of the mouth such as the tongue and cheeks. When this covering is removed, the wound can be seen. If the mouth is unclean , if there is an old unclean denture in the mouth and after taking antibiotics for a long time, fungus can also accumulate in the mouth. Children and adults are more prone to this injury. Viral wounds are caused by a virus attack on the face and lips. With pain and fever. Another type of virus causes blisters to form and rupture. Traumatic wounds When brushing for any reason , cut the lip , throat or tongue from a bone or fish thorn and cause a wound. It heals easily. Injuries caused by germs or broken teeth , continuous bites of dislocated teeth, and continuous sharp dentures can lead to chronic cancer. Chemical or medicated wounds can be caused by acid, alkali or any toxic substance in the mouth. If you play with white lime and use rose in your teeth, if you use antibiotics for a long time , if you take aspirin tablets in any part of the mouth for toothache, you may get sores in your mouth. Drinking too much hot food or food can also cause sores on the face. Wounds caused by vitamin deficiency Lack of vitamin B can cause various types of sores on the face. In some cases the skin of the tongue becomes smooth. Lack of vitamin C causes scurvy and bleeding gums. Wounds for unknown reasons Atherosclerosis can be one or more painful sores on the lips , tongue , gums and palate. Although the exact cause is not known, some factors aggravate it, such as constipation , smoking , anxiety , insomnia, etc. The surface of the wound is white and red all around. The wound usually heals in a week. Many times the wound grows rapidly causing large wounds and delay in healing. Cancer sores Cancers of the mouth and tongue first appear as mouth sores. Some common wounds can develop into cancer by persistent physical and chemical stimulation or injury. Although the exact cause of oral cancer is unknown , certain factors such as excessive consumption of lime , white mixed drink , use of toothpaste , excessive smoking especially smoking cigars, excessive alcohol consumption , syphilis , malnutrition and general weakness directly or indirectly contribute to this cancer. In addition, the suction of the rubber used in broken and upper party dentures can cause cancerous lesions in the palate.