1. Surgery of the Upper Respiratory System;Montgomery,1996
2. Maxillofacial rehabilitation: Prosthodontic and Surgical Considerations;Beumer,1996
3. Obturators for cleft palate and other speech appliances;Walter;Dent Updates,2005
4. Essentials of Complete Denture Prosthodontics;Winkler,1988
5. Boucher's Prosthodontic Treatment for Edentulous Patients;Zarb,1980