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Maxillary advancement and setback are done with which procedure?
LeFort I
Sagittal split osteotomy
Corticotomy
Genioplasty
The correct answer is: LeFort I
Maxillary advancement and setback are commonly achieved through a procedure known as a LeFort I osteotomy. This surgical technique involves cutting and repositioning the upper jaw (maxilla) to correct issues such as malocclusion, skeletal discrepancies, and facial aesthetics. By performing a LeFort I osteotomy, the maxilla can be moved forward (advancement) or backward (setback) to improve the overall function and appearance of the face and teeth. The other options provided are not typically associated with maxillary advancement and setback. Sagittal split osteotomy is often used for mandibular advancements or setbacks, corticotomy is a method used to facilitate tooth movement in orthodontics, and genioplasty is a procedure specifically for changing the position or shape of the chin (genial region).