Pre-prosthetic Surgery

Question 1

Definition of pre-prosthetic surgery

Answer 1

Surgical procedures done on edentulous or partially dentate oral tissues before the construction of prosthetic replacements

Question 2

Describe the aims of pre-prosthetic surgery

Answer 2

• to provide an ideal denture bearing area for the prosthesis -> improving its satisfactory stability and retention
• help in the insertion, retention, stability and function of a removable prosthesis

Question 3

List the types of pre-prosthetic surgery

Answer 3

• exodontia (impacted tooth, retained roots, mal positioned/non functional teeth)
• applies to patients who wants to go for radiotherapy
• removal of pathologies (cysts)
• bone contouring (ridge correction procedures -> too much undercut/ridge too high)
• jaw/orthognathic procedures
• soft tissue procedures (frenectomy, excision of hyperplastic tissue, vestibuloplasty - sulcus deepening)
• implant procedures

Question 4

What are the types of bone contouring procedures?

Answer 4

• alveoplasty (bony spicules, undercut)
• mylohyoid reduction
• tuberosity reduction
• genoid tubercle reduction
• removal of tori and exotosis
• augmentation of atrophic alveolar ridge