3D Analysis of Dental Prosthesis Connector Designs
Author Information
Author(s): Alberto Laura H. J., Kalluri Lohitha, Esquivel-Upshaw Josephine F., Duan Yuanyuan
Primary Institution: University of Mississippi Medical Center
Hypothesis
The distal connector with the broader curvature of gingival embrasure would present the lowest Maximum Principal Stresses on the gingival aspect of veneer and framework layers.
Conclusion
The radius of curvature of the gingival embrasure significantly influences the stress distribution in all-ceramic implant-supported fixed dental prostheses.
Supporting Evidence
- The study found that the 0.25 mm radius model had the highest peak stress.
- Models with broader radii (0.50 mm and 0.75 mm) showed more uniform stress distribution.
- Previous studies support that sharper connectors lead to higher stress concentrations.
Takeaway
This study looked at how the shape of a dental connector affects stress in dental prostheses, finding that sharper shapes create more stress and potential for fractures.
Methodology
Finite element analysis was used to evaluate stress distribution in three 3D models of dental prostheses with varying connector designs.
Limitations
The study assumed all materials were homogeneous, isotropic, and linear elastic, and did not account for in vivo conditions.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website