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单冠修复的边缘和内部适合精度:数字和传统打印技术的影响

Basak Topdagi¹, Ceren Cakar Guler², Elifnur Guzelce Sultanoglu³

¹Department of Prosthodontics, School of Dentistry, Hamidiye Campus, University of Health Sciences, Istanbul, 34668, Turkey. basak.topdagi@sbu.edu.tr.

BMC oral health

|December 8, 2025

概括

与传统方法相比,数字印记为单冠修复提供了优越的边缘和内部适合性. 数字印记的精度提高导致了更好的修复结果.

科学领域:

牙科材料科学牙科材料科学
牙修复牙修复牙修复牙修复牙修复
数字牙科数字牙科

背景情况:

评估单冠修复的合适性对于长期成功至关重要.
传统的聚乙烯西洛干印记被广泛使用,但在准确性方面可能存在局限性.
数字打印技术在精度和效率方面提供了潜在的优势.

研究的目的:

为了比较使用数字与传统打印技术制造的单冠修复的边缘和内部适合.
评估数字印记在传统的聚乙烯氧化方法上的优势.

主要方法:

120个提取的上第一个牙被分为常规 (聚乙烯基) 和数字 (TRIOS 3口内扫描仪) 印记组.
进行了标准化的准备和CAD/CAM制造.
用复制技术和微型计算机断层扫描 (micro-CT) 评估边缘和内部适应.

主要成果:

通过微型CT,数字印记显示的边际间隙 (43.2 ± 5.9 μm) 比传统的 (59.8 ± 6.4 μm) 显著更小.
与传统 (98.4 ± 11.3 μm) 相比,数字印记 (81.3 ± 9.6 μm) 的内部差距也显着更小.
复制品和微型CT分析都证实了数字印记的优越适应性 (p < 0.001).

结论:

数字打印技术为单冠修复提供了明显更好的边缘和内部调整.
提高准确性,效率和患者舒适性支持数字印象系统的临床使用.
数字牙科的创新正在改善恢复性治疗的结果.

关键词:

传统的印象是传统的印象.数字印象数字印象数字印象内部适合内部适合边际适应性是指边际适应性.微型计算机断层扫描 (micro-computed tomography) 是一种微型计算机断层扫描.一个单一的皇冠恢复恢复.

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