Related Experiment Video
Updated: Mar 30, 2026

11:19
Oral Biofilm Formation on Different Materials for Dental Implants
Published on: June 24, 2018
12.3K
Sealing maxillary titanium obturators with removable flexible caps.
Bernd Reitemeier1, Wolfgang Schaal2, Annette Wolf3
1Professor, Department of Prosthetic Dentistry, University Hospital, Dresden University of Technology, Dresden, Germany.
The Journal of Prosthetic Dentistry
|November 20, 2015
Summary
Titanium hollow obturators for maxillary prostheses are lighter. A replaceable soft copolymer cap prevents perforation during modifications, improving function.
Area of Science:
- Biomaterials Science
- Prosthodontics
- Materials Engineering
Background:
- Maxillary obturator prostheses are used to restore function after maxillectomy.
- Hollow metal obturators, often made of titanium, offer weight reduction benefits.
- Modifications to hollow obturators can risk perforation, compromising device integrity.
Purpose of the Study:
- To describe a method for preventing perforation of hollow titanium obturators during modifications.
- To introduce a replaceable cap system for enhanced prosthetic modification and function.
Main Methods:
- Designing hollow titanium obturators to be slightly undersized.
- Developing a replaceable cap made of a soft copolymer to cover the obturator.
- Implementing the cap for modifications in the resection area.
Main Results:
- The soft copolymer cap effectively prevents perforation of the hollow titanium obturator.
- The cap facilitates uncomplicated modifications, simplifying the adjustment process.
- Improved functional outcomes are anticipated due to easier and more effective modifications.
Conclusions:
- A replaceable soft copolymer cap is an effective solution for protecting hollow titanium obturators during modifications.
- This approach enhances the practicality and functional adaptability of maxillary obturator prostheses.

