Small mouth deformity, that is, the mouth fissure is smaller than normal people, also known as microphthalmia. The reasons can be divided into congenital and acquired. Congenital is caused by fetal developmental disorder, and in severe cases, there is no mouth, that is, complete oral atresia; Acquired microphthalmia is most common in scar contracture after burns around the mouth, and can also be caused by trauma or tumor surgery. This deformity is generally confined to the corners of the mouth, or accompanied by the loss of lip tissue. In severe cases, the mouth fissure is fish-shaped, the size of which is only one fingertip, which mainly affects the diet and language function, but the mucosal tissue in the mouth is generally not damaged. There are many ways to repair the deformity of small mouth, mainly depending on the cause and degree of oral fissure and the scar around it. The surgical effect was satisfactory.
2. The clinical manifestation is 1. Shrinkage of oral fissure;
2. One or two corners of the mouth are located in the vertical line of the inner edge of the pupil;
3. mouth opening is limited.
The diagnosis is based on 1. Have a history of burns or infections;
2. the mouth crack is narrowed;
3. One or two corners of the mouth are located in the vertical line of the inner edge of the pupil;
4. Limited mouth opening.
4. Treatment principle 1. Scar excision of corners of mouth and correction of mucosal Y-shaped incision;
2. Web scar can be repaired according to z-plasty principle;
3. Repair the red adhesion of one oral lip with lip red sliding flap;
4. If the labial red tissue is lost, buccal mucosa metastasis is feasible.
5 medication principle 1. Generally speaking, during the operation, drugs are mainly "A" and "B";
2. When necessary, drugs may include the limits of drugs "A", "B" and "C".
6. Auxiliary inspection 1. In general, the inspection items are mainly check box "A";
2. When there are postoperative complications, the examination items may include "A" and "B".
7 efficacy evaluation 1. Cure: the corners of the mouth are close to the normal position, and the function is improved.
2. Improvement: Broaden the quarrel and improve the function.