[Problems posed by fixation after Lefort III osteotomy].
Marchac D.
Rev Stomatol Chir Maxillofac. 1977;78(3):193-8.
PMID:329402
[Harmonisation of the middle level of the face by Lefort type I osteotomy (author's transl)].
Härle F.
Rev Stomatol Chir Maxillofac. 1979;80(4):231-5.
PMID:290025
Maxillary stability following downgraft and/or advancement procedures with stabilization using rigid fixation and porous block hydroxyapatite implants.