1 Year Before & After SARPE surgery. Nose breathing improved dramatically and the smile is much wider. Surgically assisted rapid palatal expansion, also known as surgically assisted rapid maxillary expansion, is a technique in the field of orthodontics which is used to expand the maxillary arch. This technique is a combination of both Oral and Maxillofacial Surgery and Orthodontics. https://en.m.wikipedia.org/wiki/Surgically_assisted_rapid_palatal_expansion @dentaltown Orthodontics: Simple 4 bic