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Dual-tray impression technique for implant-retained overdentures
C S Zouras1, S Winkler, J J Thaler
1Department of Prosthodontics, School of Dentistry, Temple University, Philadelphia, Pennsylvania 19140-5096, USA.
Implant Dentistry
|January 1, 1995
Summary
Accurate implant positioning for implant-retained overdentures is challenging. A modified dual-tray technique uses two impression materials for precise fabrication on a single master cast.
Area of Science:
- Dental prosthetics
- Implant dentistry
Background:
- Fabricating implant-retained overdentures requires precise recording of implant positions and edentulous areas.
- Conventional impression techniques can present challenges in achieving this accuracy.
Purpose of the Study:
- To present a modified dual or split-tray impression technique for improved accuracy in implant-retained overdenture fabrication.
Main Methods:
- A modified dual or split-tray technique was employed.
- Two impression materials with distinct properties were utilized within a single impression.
- This approach facilitates prosthesis construction on a single master cast.
Main Results:
- The described technique allows for accurate recording of implant positions and edentulous areas.
- It accommodates the specific needs of diverse oral anatomic regions.
Conclusions:
- The modified dual-tray technique offers a viable solution for accurate implant-retained overdenture fabrication.
- This method enhances precision by utilizing differential material properties in a single impression.