LOGIN
 
Share Page:
Back

Volume 32 , Issue 3
May/June 2017

Pages 633–641


Placement of Zygomatic Implants into the Malar Prominence of the Maxillary Bone for Apical Fixation: A Clinical Report of 5 to 13 Years

Yvan Fortin, DMD


PMID: 28494044
DOI: 10.11607/jomi.5230

Purpose: This study was designed to evaluate long-term performance of zygomatic implants using an alternative apical fixation point to establish the posterior restorative foundation for fixed full-arch restoration. Materials and Methods: A retrospective study of all consecutively treated patients with advanced maxillary resorption who were treated with zygomatic implants to support fixed prostheses from August 14, 2001 through November 24, 2009 was conducted; the final follow-up was August 31, 2015. All zygomatic implants were placed using the malar prominence of the maxillary bone for apical fixation. Initial study casts were analyzed to compute the anterior/posterior implant distribution, distance between bilateral zygomatic implants, and variation from ideal zygomatic implant positioning relative to the soft tissue crest. Soft tissue, implant, and restorative complications also were recorded. Results: Fifty-eight consecutively treated patients with advanced maxillary resorption were included in the study— 18 men and 40 women, with a mean ± SD age of 65.3 ± 8.0 years and range of 49 to 85 years. Forty-nine patients received bilateral zygomatic implants placed apically into the malar process of the maxillary bone, and nine patients received similarly placed unilateral zygomatic implants with 107 zygomatic implants reported. All patients had supplemental anterior implants and were restored with a one-piece splint framework and fully implant-supported restoration. Follow-up of 5 to 13 years was conducted, with a mean follow-up time of 8.4 years per zygomatic implant. No losses of zygomatic implants occurred. No major surgical or restorative complications were observed. Conclusion: Utilizing the malar prominence of the maxilla for apical fixation of zygomatic implants predictably allows prosthetic placement of the implant platform in a favorable first molar position, eliminating prosthetic compromise.


Full Text PDF File | Order Article

 

 
Get Adobe Reader
Adobe Acrobat Reader is required to view PDF files. This is a free program available from the Adobe web site.
Follow the download directions on the Adobe web site to get your copy of Adobe Acrobat Reader.

 

© 2017 Quintessence Publishing Co, Inc JOMI Home
Current Issue
Ahead of Print
Archive
Author Guidelines
About
Accepted Manuscripts
Submission Form
Submit
Reprints
Permission
Advertising
Quintessence Home
Terms of Use
Privacy Policy
About Us
Contact Us
Help