Maxillofacial Plastic and Reconstructive Surgery

Korean Association of Maxillofacial Plastic and Reconstructive Surgeons (대한악안면성형재건외과학회)
권호 표지

STABILITY AND SOFT TISSUE CHANGES FOLLOWING ADVANCEMENT LE FORT I OSTEOTOMY IN THE CLEFT LIP AND PALATE PATIENTS

구순구개열환자에서 상악전진술후 안정성과 연조직변화에 관한 연구

Song, In-Woo;Kim, Jong-Ryoul
송인우;김종렬

  • Published : 20020500
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Abstract

The purpose of this study was to assess the postoperative stability and soft tissue changes using the 18 cleft lip and palate patients who underwent advancement Le Fort I osteotomy for correction of maxillary hypoplasia. We have taken serial cephalometric radiographs before, immediately after and at least 1 year after surgery and statistical analysis of cephalometric radiographs was done. The results were as following. The mean maxillary advancement was 7.1mm, and the mean relapse was 1.4mm.(19.7%). The nasal tip followed approximately 1/4 the movement of the underlying hard tissue. The nasal base followed approximately 1/2 the hard tissue movement. The lip followed approximately 2/3 the incisor movement. A progressive increase in the horizontal soft tissue movement from tip of the nose to the upper lip was observed. In advancement maxillary osteotomy of cleft lip and palate patients, the profile changes in both lip and nose showed statistically significant correlation with hard tissue movement in the horizontal plane. In conclusion, advancement Le Fort I osteotomy through scar tissue relaxtion, rigid fixation and bone graft, will give predictable and stable postoperative result in patients with cleft lip and palate.

Keywords

References

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