Laser-welded titanium frameworks supported by implants in the edentulous maxilla: a 2-year prospective multicenter...

Area of Science:

• Dental Implantology
• Prosthodontics
• Biomaterials Engineering

Background:

• Osseointegrated implants are a common treatment for edentulous patients.
• Titanium frameworks are used for fixed implant-supported prostheses.
• Laser welding offers a potential alternative to conventional casting for framework fabrication.

Purpose of the Study:

• To evaluate the clinical and radiographic performance of laser-welded titanium frameworks in implant-supported prostheses.
• To compare laser-welded frameworks with conventional cast frameworks in the edentulous maxilla.

Main Methods:

• Fifty-eight patients with edentulous maxillae received 349 Brånemark implants.
• Patients were randomized into two groups: laser-welded titanium frameworks (n=28) or conventional cast frameworks (n=30).
• Clinical and radiographic data were collected for two years post-insertion.

Main Results:

• Similar clinical and radiographic outcomes were observed between the two groups.
• Two-year cumulative implant survival rates were 93.7% (laser-welded) and 96.2% (cast).
• Cumulative prosthesis survival was 96.6%, with no framework or component fractures reported.

Conclusions:

• Implant-supported prostheses with laser-welded titanium frameworks demonstrate comparable outcomes to those with conventional cast frameworks.
• Laser welding is a viable technique for fabricating frameworks for the edentulous maxilla.
• Further research may explore the long-term effects and potential correlations with patient habits like smoking.