Zunaira saleh2 days ago

Submucosal vestibuloplasty

. (A) Mouth mirror placed in the maxillary vestibule under the upper lip and elevated against the anterior wall of the maxilla to the desired postoperative vestibular depth. If no abnormal lip shortening occurs, then adequate mucosa exists to perform submucosal vestibuloplasty. (B) An anterior vertical incision is used to create a submucosal tunnel and then a supraperiosteal tunnel along the lateral aspects of the maxilla. (C) Cross-sectional view showing the submucosal tissue layer. (D) Excision of submucosal soft tissue layer. (E) Splint in place holding mucosa against the periosteum at the depth of the vestibule until healing occurs. Submucosal vestibuloplasty.