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Different Materials Used as Denture Retainers and Their Colour Stability.
Sherif A Sadek1, Wessam M Dehis2, Hala Hassan3
1Department of Prosthodontics, Faculty of Oral and Dental Medicine, Cairo University, Egypt.
Open Access Macedonian Journal of Medical Sciences
|December 19, 2018
Summary
Aesthetic concerns with removable partial denture retainers can be addressed by using non-metallic materials. Acetal resin clasps offer superior color stability compared to traditional metal alloys, improving patient satisfaction.
Area of Science:
- Dental Materials Science
- Prosthodontics
- Biomaterials
Background:
- Removable partial denture (RPD) retainers are crucial for denture longevity and function, particularly esthetics.
- Effective clasp selection requires controlling forces on abutment teeth, providing retention, and meeting patient esthetic desires.
Purpose of the Study:
- To compare different clasp materials for removable partial dentures based on esthetic properties.
- To guide the selection of clasps that enhance patient satisfaction through improved appearance.
Main Methods:
- Color evaluation of various clasp materials was performed using a computer-aided technique.
- A digital camera with 3-megapixel resolution was utilized for objective color assessment.
Main Results:
- Traditional Cobalt Chromium (CoCr) alloy clasps for RPDs are unaesthetic.
- Alternative materials like tooth-colored acrylic resin, Thermoplastic Acetal, Versacryl, and Thermopress were introduced to overcome esthetic limitations.
- Acetal resin clasps demonstrated superior physical properties, specifically in color stability.
Conclusions:
- Non-metallic Acetal resin clasps exhibit excellent color stability, making them a favorable esthetic option.
- Material choice for RPD clasps significantly impacts both functional longevity and patient-perceived esthetics.
Keywords:
ClaspsCobalt ChromiumColor stabilityDirect retainerPhysical propertiesRemovable Partial DentureThermoplastic AcetalThermopressVersacrylMore Related Videos
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