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KMID : 1143520240120010015
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Journal of Korean Society of Oral Health Science
2024 Volume.12 No. 1 p.15 ~ p.23
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Mechanical Properties and Antibacterial Evaluation of Resin-Reinforced Glass Ionomer Cement (RMGIC) According to ZnO Content
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Choi Ye-Ji
Lee Mi-Ra
Kang Min-Kyung
Bae Sung-Suk
Jun Soo-Kyung
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Abstract
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Objectives: By mixing ZnO by concentration, the optimal concentration ratio of RMGIC with various concentration ratios is studied, mechanical properties of RMGIC are improved, and antibacterial evaluation is performed.
Methods: RMGIC was used. After calculating the generated ZnO by weight and adding 0%, 1%, 2%, and 4%, specimens for various mechanical and antibacterial evaluations were produced.
Results: As the mixing amount of ZnO increased, the curing time increased, and Vickers hardness and compressive
strength increased in LC@ZnO 2%. In addition, as the mixing amount of ZnO increased, the number of colonies decreased.
Conclusions: These results suggest that ZnO mixing of RMGIC increases and antimicrobial effects increase.
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KEYWORD
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Antibacterial, Dental luting cement, Mechanical properties, Resin modified glass ionomer, Zinc oxide
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