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자료유형
학술저널
저자정보
Yun, Yung Sang (Department of Plastic and Reconstructive Surgery, Konkuk University Medical Center, Konkuk University School of Medicine) Uhm, Ki Il (Department of Plastic and Reconstructive Surgery, Konkuk University Medical Center, Konkuk University School of Medicine) Kim, Jee Nam (Department of Plastic and Reconstructive Surgery, Konkuk University Medical Center, Konkuk University School of Medicine) Shin, Dong Hyeok (Department of Plastic and Reconstructive Surgery, Konkuk University Medical Center, Konkuk University School of Medicine) Choi, Hyun Gon (Department of Plastic and Reconstructive Surgery, Konkuk University Medical Center, Konkuk University School of Medicine) Kim, Soon Heum (Department of Plastic and Reconstructive Surgery, Konkuk University School of Medicine) Kim, Cheol Keun (Department of Plastic and Reconstructive Surgery, Konkuk University School of Medicine) Jo, Dong In (Department of Plastic and Reconstructive Surgery, Konkuk University School of Medicine)
저널정보
대한성형외과학회 Archives of plastic surgery : APS Archives of plastic surgery : APS 제42권 제4호
발행연도
2015.1
수록면
419 - 423 (5page)

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Background Orthognathic surgery is required in 25% to 35% of patients with a cleft lip and palate, for whom functional recovery and aesthetic improvement after surgery are important. The aim of this study was to examine maxillary and mandibular changes, along with concomitant soft tissue changes, in cleft patients who underwent LeFort I osteotomy and sagittal split ramus osteotomy (two-jaw surgery). Methods Twenty-eight cleft patients who underwent two-jaw surgery between August 2008 and November 2013 were included. Cephalometric analysis was conducted before and after surgery. Preoperative and postoperative measurements of the bone and soft tissue were compared. Results The mean horizontal advancement of the maxilla (point A) was 6.12 mm, while that of the mandible (point B) was -5.19 mm. The mean point A-nasion-point B angle was $-4.1^{\circ}$ before surgery, and increased to $2.5^{\circ}$ after surgery. The mean nasolabial angle was $72.7^{\circ}$ before surgery, and increased to $88.7^{\circ}$ after surgery. The mean minimal distance between Rickett's E-line and the upper lip was 6.52 mm before surgery and 1.81 mm after surgery. The ratio of soft tissue change to bone change was 0.55 between point A and point A' and 0.93 between point B and point B'. Conclusions Patients with cleft lip and palate who underwent two-jaw surgery showed optimal soft tissue changes. The position of the soft tissue (point A') was shifted by a distance equal to 55% of the change in the maxillary bone. Therefore, bone surgery without soft tissue correction can achieve good aesthetic results.

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