通过传统和3D打印技术制造的临时皇冠材料的压缩和曲强度:一个体外研究
Nandini R D1, Nirupama R1, Chetan Hegde1
1Department of Prosthodontics, NITTE Deemed to be University, A B Shetty Memorial Institute of Dental Sciences, Mangalore, Karnataka, India, 575018.
Journal of oral biology and craniofacial research
|February 9, 2026
概括
新的3D Accuprint C&B树脂显示,与传统材料相比,临时皇冠具有更高的机械强度. 它的性能与其他3D打印树脂相提并论,提高了要求高的牙科应用的耐用性.
科学领域:
- 材料科学 材料科学 材料科学
- 生物材料工程 生物材料工程
- 牙科材料 牙科材料
背景情况:
- 临时皇冠制造需要具有足够机械性能的材料来承受阻塞力.
- 传统树脂通常在强度和耐久性方面表现出局限性.
- 3D打印的进步为改善临时修复材料提供了潜力.
研究的目的:
- 为了评估3D Accuprint C&B树脂的机械性能.
- 为了将3D Accuprint C&B与传统和其他3D打印树脂进行比较.
- 为了确定3D Accuprint C&B对于临时皇冠制造的适用性.
主要方法:
- 三种材料进行了测试:GC Tempron (传统),3D Accuprint C&B和Freeprint Temp (3D打印).
- 为压力强度测试 (n=15) 准备了圆柱形样本.
- 为曲强度测试 (n=15) 制造了矩形样本.
- 测试使用了通用测试机器,通过单向ANOVA和Tukey的HSD测试 (p <0.05) 分析数据.
主要成果:
- 两组之间观察到压力和屈曲强度的显著差异 (p < 0.001).
- 而GC Tempron的强度明显低于这两种3D打印树脂的强度 (p < 0.001).
- 3D Accuprint C&B和Freeprint Temp显示了可比的压力 (p = 0.84) 和屈曲强度 (p = 0.15).
结论:
- 3D Accuprint C&B的机械强度比传统的GC Tempron更强.
- 它的机械性能与Freeprint Temp相似,验证了它在临时修复中的使用.
- 这种树脂是一种可行的,高性能替代品,用于持久的临时修复,特别是在高压力下或用于植入式假肢.
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