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Volume 32 , Issue 5
October 2012
Pages 553 (e154-e161)

Immediate Loading of Zygomatic Implants Using the Intraoral Welding Technique: A 12-Month Case Series

Marco Degidi, MD, DDS/Diego Nardi, DDS/Adriano Piattelli, MD, DDS/Chantal Malevez, MD, DDS

PMID: 22754908
DOI: 10.11607/prd.00.1095

The aim of this prospective study was to evaluate the concept of intraoral welding as a suitable technique for fabricating a fixed restoration for the edentulous maxilla the day of surgery using standard and zygomatic implants. Ten consecutive patients (four men, six women; mean age, 62.3 ± 11.6 years) were involved in this study, each of whom had an edentulous atrophic maxilla and received two standard and two zygomatic implants. All implants were loaded immediately with a fixed prosthesis supported by an intraorally welded titanium framework. Definitive abutments were connected to the implants, and a titanium bar was welded to them using an intraoral welding unit. This framework was used to support the definitive prosthesis, which was fitted the day of implant placement. Patients were checked for swelling, pain, and framework stability at 1, 3, 6, and 12 months. A total of 20 immediately loaded standard and 20 zygomatic implants were used. The cases included in this study achieved a 100% prosthetic success rate at the 12-month follow-up. No fracture or radiographically detectable alteration of the welded frameworks was noticed. It is possible to successfully rehabilitate the edentulous atrophic maxilla with a permanently fixed prosthesis supported by an intraorally welded titanium framework attached to standard and zygomatic implants the day of surgery. (Int J Periodontics Restorative Dent 2012;32:e154–e161.)

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