1, the deformity itself is serious, and surgery can't completely solve it.
It is common in patients with congenital third-degree cleft lip, with the base of alar moving down, accompanied by too wide fissure, bridge of nose collapse and short nasal columella. It is difficult for such patients to achieve the repair effect at one time, and it takes four plastic surgery in the later stage to basically complete the correction of deformity, including plastic surgery of alveolar process and nasal columella plus autogenous bone transplantation.
2. Improper postoperative care of cleft lip, which leads to good local infection, is only a part of successful treatment. Careful postoperative care, such as wearing lip arch, accurate tension reduction and cleaning of wound surface, must not be ignored.
3, the shortcomings of the surgical method itself, insufficient preoperative preparation.