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The influence of soft lining materials on pressure distribution
1Department of Removable Prosthodontics, University of Tokushima, School of Dentistry, Japan.
The Journal of Prosthetic Dentistry
|April 1, 1991
Summary
This study evaluated soft lining materials as tissue conditioners. Hydro-cast and Softone showed increased pressure variation over time, while Coe-comfort demonstrated decreased pressure variation, impacting their cushioning effectiveness.
Area of Science:
- Materials Science
- Biomaterials Engineering
- Dental Materials
Background:
- Soft lining materials are crucial in dentistry for patient comfort and prosthesis fit.
- Understanding their mechanical properties is essential for effective clinical application as tissue conditioners.
Purpose of the Study:
- To investigate the physical and mechanical properties of soft lining materials.
- To assess the feasibility of using these materials as "tissue conditioners" through specific tests.
Main Methods:
- Static creep test and pressure distribution test were employed.
- Six common soft lining materials were subjected to uniform pressure.
- Material response to sustained external forces was analyzed over time.
Main Results:
- Soft lining materials function as cushions against external forces.
- Hydro-cast and Softone exhibited increasing pressure variations over time.
- Coe-comfort showed a decrease in pressure variation with time.
Conclusions:
- The time-dependent pressure variation differs among soft lining materials.
- These findings are critical for selecting appropriate soft lining materials for tissue conditioning applications.
- Material behavior under sustained load impacts long-term performance and patient outcomes.