Editorial Type:
Article Category: Research Article
 | 
Online Publication Date: 01 Oct 2005

The Use of Prefabricated Titanium Tissue Abutments for the Construction of a Maxillary Subperiosteal Implant

DDS, PhD,
DDS, PhD,
DDS, PhD,
DDS, PhD, and
DDS, PhD
Page Range: 255 – 258
DOI: 10.1563/1548-1336(2005)31[255:TUOPTT]2.0.CO;2
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Abstract

This article presents a bimodal procedure for a patient with an implant-supported fixed partial denture (FP2 class of Misch) where endosteal implants (EOIs) and a subperiosteal implant (SPI) were indicated in different sections of the same arch. In edentulous patients, heterogeneous bone volume and density may be encountered in different regions of the same arch. When the available bone is favorable, the use of EOIs is simpler and less time consuming. An SPI is indicated when the available bone is severely resorbed, as in the type I division C, type II divisions C and D, and type III divisions C and D. The main advantage of the described combined technique is that it offers an alternative to invasive surgeries such as iliac crest bone grafts or various surgical augmentation procedures. The second advantage is the very brief healing period after insertion of the SPI before prosthetic loading. Planning, design, laboratory construction, surgical application, and prosthetic rehabilitation for bimodal implant treatment are described. Prefabricated titanium tissue abutments are used in the fabrication of the posts of the anterior titanium SPI. Titanium tissue abutments are placed in the waxup stage of the SPI before the casting of the titanium SPI. Posterior fixtures are EOIs. An anterior SPI with 4 posts and 4 posterior EOIs provides a combination of support for the screw-retained fixed maxillary denture of Misch's FP2.

Copyright: American Academy of Implant Dentistry
<sc>Figure</sc>
1.
Figure 1.

Fully edentulous upper and lower arches



Contributor Notes

Engin Aras, DDS, PhD, is a professor with the Department of Prosthodontics and Maxillofacial Prosthetics, Faculty of Dental Medicine, Ege University, 35100 Bornova, Izmir, Turkey. Address correspondence to Dr Aras (aras@dent.ege.edu.tr).

Mehmet Sönmez, DDS, PhD, and Muammer Zora, DDS, PhD, are with the Department of Prosthodontics and Oral Implantology, State Dental Hospital, Izmir, Turkey.

Meral Basarir, DDS, PhD, is a maxillofacial prosthetics and oral implantologist with the Dental Department, Izmir Free Zone (ISB) Health Service Dental–Oral Health Department, Prosthodontics, Izmir, Turkey.

Hüseyin Kurtulmus, DDS, PhD, is a research assistant with the Department of Prosthodontics and Maxillofacial Prosthetics, Faculty of Dental Medicine, Ege University, Bornova, Izmir, Turkey.

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