- Model surgery technique for Le Fort I osteotomy--alteration in occlusal plane associated with upward transposition of posterior maxilla. Yosano, A., Yamamoto, M., Shouno, T., Shiiki, S., Hamase, M., Kasahara, K., Takaki, T., Takano, N., Uchiyama, T., Shibahara, T. Bull. Tokyo Dent. Coll. (2005)