The chapter outlines various objectives of pre-prosthetic surgery, various pre-prosthetic surgery procedures, such as alveolectomy, various alveoloplasties, excision of tori, maxillary tuberosity reduction, excision of soft tissue such as frenectomies, various vestibuloplasty procedures, alveolar ridge correction, ridge extension procedures and ridge augmentation procedures. The chapter also describes inter-positional bone grafting (sandwich grafting), onlay grafting, visor osteotomy, sinus lift procedures, and finally augmentation in combination with orthognathic surgeries.