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Assessment of a recently introduced fluoroelastomeric soft lining material
1Department of Prosthetic Dentistry, Dental School, University of Wales College of Medicine, Cardiff, United Kingdom.
The International Journal of Prosthodontics
|September 1, 1993
Summary
Novus, a new soft denture lining material, absorbed significant water and became softer after immersion. Molloplast-B showed no such changes, indicating Novus may have limited long-term clinical utility.
Area of Science:
- Dental Materials Science
- Biomaterials Engineering
- Prosthodontics
Background:
- Soft denture lining materials enhance patient comfort and function.
- Evaluating new materials like fluoroelastomers is crucial for improving denture technology.
Purpose of the Study:
- To compare the water absorption, softness changes, and denture cleanser compatibility of a fluoroelastomeric material (Novus) against a silicone material (Molloplast-B).
Main Methods:
- Laboratory-based comparative study.
- Assessment of water absorption over 4 months.
- Measurement of material softness at various thicknesses, dry and immersed.
- Evaluation of surface compatibility with standard denture cleansers.
Main Results:
- Novus exhibited significant water absorption (>5% by weight) after 4 months.
- Novus softness increased significantly with water immersion, unlike Molloplast-B.
- Novus showed surface degradation when exposed to denture cleansers, while Molloplast-B did not.
Conclusions:
- Novus demonstrates altered physical properties upon water immersion and reduced compatibility with denture cleansers compared to Molloplast-B.
- These findings suggest potential limitations for Novus in long-term clinical applications as a soft denture liner.
- Further research is needed to assess the clinical implications of Novus's water absorption and degradation.