The frenulum is a thin strip of tissue between the tongue and the floor of the mouth. The clinical manifestation is that the tongue cannot protrude normally and freely. When the tongue is protruding forward, the tip of the tongue is sunken due to the pulling of the tongue tendons, which not only affects the appearance, but also may affect the daily diet or rub against the lower front teeth, resulting in ulcers.
Read MoreMouth ulcers is a common oral infection disease. While small in size, a canker sore can be painful and make eating and speaking uncomfortable. Mouth ulcers are typically round in shape, gray or white in color, and usually have a red border. Mouth ulcers usually appear inside the cheeks, lips, on the bottom of the mouth, on the gums or tongue.
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