J Adv Periodontol Implant Dent. 2024;16(1): 64-71.
doi: 10.34172/japid.2024.010
  Abstract View: 96
  PDF Download: 59

Case Report

Immediate full-arch fixed rehabilitation of a narrow mandible with newly conceived connection system implants: A case report

Gerardo Pellegrino 1 ORCID logo, Zoran Zaccheroni 2, Giuseppe Lizio 3* ORCID logo

1 Department of Biomedical and Neuromotor Sciences (DIBINEM), University of Bologna, Bologna, Italy
2 Private Practice, ZEA Dental Clinic, Imola (BO), Italy
3 Private Practice, Messina (ME), Italy
*Corresponding Author: Giuseppe Lizio, Email: giuseppelizio@libero.it


Rehabilitating thin jaws without reconstructive surgery entails using narrow implants. The proposed treatment adopted an innovative implant system, allowing the mini-screws to be parallel and immediately loaded. A mandible, wearing an overdenture, was functionalized contextually to the residual dental extraction and the placement of six 2.4-mm thick one-piece implants. Low-profile intermediate abutments, the LEMs, able to rotate over the spherical heads of the fixtures, were connected after suturing, oriented, and blocked in a mutual parallel position. The copings, engaging with a tapered juncture of the LEMs, resulted in their alignment to be intraorally wedged together. The provisional superstructure enclosed the copings and was immediately connected to the implants, and the definitive prosthesis was delivered after three months. No clinical signs of peri-implantitis or radiographically evident bone loss were recorded after a two-year follow-up without any prosthetic complication. No cases have been published regarding mini-implants bearing fixed prosthesis rehabilitation.
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Submitted: 04 Nov 2023
Accepted: 27 Apr 2024
ePublished: 28 Apr 2024
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