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Figure 3. Undue emphasis on the midpalatal suture (11) rather obscures the fact that, for rapid maxillary expansion to be successful, several facial sutures, particularly the zygomatico-maxillary (9) and the zygomatico-frontal (4,5), will need to be extensively remodeled and then retained to eliminate any residual strain. (From McMinn et al. (1981), A Colour Atlas of Head and Neck Anatomy, Wolfe Medical Publishers Ltd. Reproduced with the kind permission of Mr. Ralph Hutchings.)