用两个数字技术制造的定制柱子和核心在核心和空间后维度的评估
Yumin Wu1, Haowen Qi1, Danlei Wang1
1Department of Prosthodontics, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, China.
概括
使用扫描印记进行数字定制后核制造,与传统方法相比,提供更高的适应性和精度. 这种数字化方法提高了柱子和核心的适合性,改善了修复性牙科的结果.
科学领域:
- 恢复性牙科 恢复性牙科
- 数字牙科数字牙科
- 牙修复 牙修复 牙修复 牙修复 牙修复
背景情况:
- 定制后和核心修复对于支持内牙治疗牙上的冠状至关重要.
- 传统的制造方法在精度和适应性方面可能存在局限性.
- 数字技术在制造复杂的牙假肢方面提供了潜在的改进.
研究的目的:
- 评估使用两个数字工作流程制造的定制后核心修复的适合性和尺寸准确性.
- 将数字制造方法 (扫描印记和扫描图案) 与传统丢失技术进行比较.
主要方法:
- 使用数字扫描印记和数字扫描纹技术制造了柱和芯.
- 传统的迷失造型作为对照组.
- 微型计算机断层扫描 (Micro-CT) 和实验室扫描仪评估了尺寸精度,包括通道后壁间隔,牙后间隔,核心直径和肩膀宽度.
主要成果:
- 在所有三种制造方法的尺寸精度中都观察到显著的差异.
- 数字扫描印记显示出卓越的适应性和精度,特别是在切肢和前肢.
- 与其他方法相比,数字扫描纹技术在前和牙中显示出较差的结果.
结论:
- 通过扫描印记进行数字定制后芯制造,可显著提高配件的精度和合理性.
- 这种数字化工作流提供了一个更准确的替代传统方法和扫描图案技术的后核心制造.
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