对全陶自玻璃与传统石植入物支柱的适应性评估
Rong Li1, Yushu Liu2, Jinxing Sun3
1Department of Prosthodontics, Stomatology Center, Peking University Shenzhen Hospital, Shenzhen, China.
BMC oral health
|July 14, 2025
概括
自玻璃化 (SGZ) 支柱显示出优越的边缘适应性,而不是磨的. 这种新的3D打印材料为单件和两件植入物支柱提供了更好的适合性.
科学领域:
- 牙科材料科学 牙科材料科学
- 生物材料工程 生物材料工程
- 添加剂制造 添加剂制造 添加剂制造
背景情况:
- 通过3D凝沉积技术制造的新型自玻璃化 (SGZ) 正在为牙科支柱出现.
- 评估SGZ支柱的合适性对于植入牙科的临床成功至关重要.
研究的目的:
- 为了比较一块和两块SGZ植入物支柱与传统磨石支柱的边缘适应.
- 评估支柱-Ti底座和支柱-植入物接口的合适性.
主要方法:
- 四个组的制造:SGZ单件 (SGZ-A),SGZ两件与Ti基 (SGZ-Ti),制的常规单件 (Lava-A) 和制的两件 (Lava-Ti).
- 边际差距分析使用微CT用于支柱-Ti基和立体显微镜用于支柱-植入物模拟接口.
- 使用曼-惠特尼U和克鲁斯卡尔-瓦利斯测试 (α=0.05) 的统计比较.
主要成果:
- 与Lava-Ti相比,SGZ-Ti的边际差距 (外部和内部) 显著较小 (P<0.001).
- SGZ-A显示出比Lava-A (P=0.044) 显著更小的支柱体-植入物模拟差距.
- 在SGZ-A,SGZ-Ti和Lava-Ti组之间没有发现适应的显著差异.
结论:
- 自行玻璃化柱体显示出优越的边缘适应性比传统的制柱体.
- SGZ支柱的适应性与传统的磨支柱相比或更好,这表明改善临床性能的潜力.
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