Mandibular implant-supported fixed complete dental prostheses on implants with ultrashort and standard length: a pilot case based on a new concept

Martin Schimmel, Simone Janner, Tim Joda, Julia Wittneben Matter, Gerry McKenna, Urs Bragger

Research output: Contribution to journalArticlepeer-review

Abstract

Edentulous patients may be restored with complete-arch implant-supported fixed complete dental prostheses (IFCDPs) on angled distal implants or on parallel implants distributed equally across the mandible to increase the area of support. A treatment is presented to introduce the clinical concept of providing edentulous patients with an IFCDP on parallel tissue-level implants in the mandible with standard length implants interforaminally and ultrashort implants distally. A structured prosthetic approach was used for the tooth arrangement with a modified workflow according to the Biofunctional Prosthetic System (BPS) adapted for static computer-aided implant surgery (s-CAIS) and computer-aided design and computer-aided manufacturing (CAD-CAM) of the screw-retained IFCDP. The concept offered advantages in challenging anatomical, surgical, and prosthetic conditions; providing distal nonangled abutments and implant platforms, which were straightforward to clean. If necessary, the prosthesis could have been easily converted into a removable overdenture using the existing digital prosthetic arrangement. Should implant removal be required, the extra short implants can be removed with minimal surgical risk or morbidity.
Original languageEnglish
JournalJournal of Prosthetic Dentistry
Early online date29 Jul 2020
DOIs
Publication statusEarly online date - 29 Jul 2020

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