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The Effect of Microwave Disinfection on Denture Base Polymers, Liners and Teeth: A Basic Overview
Theodoros Klironomos1, Aspasia Katsimpali1, Gregory Polyzois2
1Dentist, Private practice, Athens, Greece.
Microwave disinfection offers a safe, chemical-free alternative for dentures, particularly denture bases and liners in dry conditions. However, wet conditions may cause dimensional changes, and effects on denture teeth remain uncertain.
Area of Science:
- Dental Materials Science
- Infection Control
- Biomaterials
Background:
- Cross-infection control in dentistry is critical due to rising infectious diseases.
- Chemical disinfectants can negatively impact denture material properties and encourage bacterial growth.
- Microwaves present a low-cost, chemical-free disinfection alternative.
Purpose of the Study:
- To review scientific knowledge on microwave disinfection's effects on denture materials.
- To compare microwave disinfection with traditional chemical methods.
- To assess the impact on denture bases, liners, and teeth.
Main Methods:
- Literature review of studies on microwave disinfection of dental materials.
- Analysis of effects on physical and mechanical properties (e.g., strength, hardness, dimensions).
- Evaluation of impact on material-bacteria interactions.
Main Results:
- Microwave disinfection is safe for denture bases/liners in dry conditions; wet conditions may cause dimensional changes.
- No significant detrimental effects observed on flexural properties, impact strength, or hardness of denture resins and liners.
- Effects on denture teeth hardness and bond strength are inconclusive.
Conclusions:
- Microwave disinfection is a viable, chemical-free option for denture bases and liners under dry conditions.
- Further research is needed to clarify the impact of microwave disinfection on denture teeth and bond strength.
- Careful consideration of environmental conditions (dry vs. wet) is necessary for effective microwave denture disinfection.
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