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Comparative Study Clarifying the Most Suitable Material to Be Used as Partial Denture Clasps
Sherif Aly Sadek1, Wessam Mohamed Dehis2, Hala Hassan3
1Department of Prosthodontics, Faculty of Oral and Dental Medicine, Cairo University, Cairo, Egypt.
Open Access Macedonian Journal of Medical Sciences
|July 10, 2018
Summary
Non-metal Acetal resin clasps for removable partial dentures (RPDs) demonstrate superior mechanical properties compared to traditional materials. This finding supports Acetal resin as a more suitable material for RPD clasps, enhancing denture longevity and function.
Area of Science:
- Dental Materials Science
- Prosthodontics
- Biomaterials Engineering
Background:
- Removable partial denture (RPD) clasps are crucial for denture longevity and function.
- Proper clasp selection ensures control of forces on abutment teeth, provides retention, and meets patient aesthetic demands.
- Mechanical properties of clasp materials significantly influence their performance.
Purpose of the Study:
- To mechanically compare the most usable esthetic clasps for removable partial dentures.
- To identify the most suitable material for fabricating partial denture clasps.
Main Methods:
- In-vitro evaluation of surface roughness, retention, and deformation of different clasp materials.
- Mechanical property assessment provides valuable data on material performance.
Main Results:
- Traditional RPD clasps are often made from unaesthetic cobalt-chromium (CoCr) alloy.
- Aesthetic alternatives include tooth-colored resin coatings, Thermoplastic Acetal, Versacryl, and Thermopress materials.
- Non-metal Acetal resin retainers exhibited superior mechanical properties.
Conclusions:
- Acetal resin clasps offer superior mechanical properties compared to other tested materials.
- This suggests Acetal resin is a highly suitable material for removable partial denture clasps.
Keywords:
ClaspsCobalt Chromium (CoCr)DeformationDirect RetainerMechanical propertiesRemovable Partial Denture (RPD)RetentionRoughnessThermoplastic AcetalThermopressVersacrylMore Related Videos
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