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不同的三维打印模型的尺寸精度作为打印参数变化的函数

Christin Arnold¹, Lea Riß¹, Jeremias Hey¹

¹Department of Prosthodontics, Martin-Luther-University Halle-Wittenberg, Magdeburger Str. 16, 06112 Halle, Germany.

Materials (Basel, Switzerland)

|July 27, 2024

概括

选择3D打印机显著影响牙科模型的尺寸精度. 数字光处理 (DLP) 打印机,特别是CaraPrint 4.0打印机,显示出更高的准确性,而不是用于牙科假肢制造的立体石刻 (SLA) 打印机.

科学领域:

牙科材料科学牙科材料科学
添加剂制造添加剂制造添加剂制造
数字牙科数字牙科

背景情况:

准确的模型对于牙科假体制造至关重要,即使是数字工作流程.
像数字光处理 (DLP) 和立体石刻 (SLA) 这样的3D打印技术越来越多地用于模型生产.

研究的目的:

为了评估3D打印牙科模型的尺寸精度.
调查打印参数对模型准确性的影响.

主要方法:

使用DLP (SolFlex350,CaraPrint 4.0) 和SLA (Form2) 系统打印了126个模型.
研究的参数包括打印机类型,模型排列,固体/空洞结构和支结构.
通过将打印模型与使用数字标尺和扫描的数字模型进行比较来评估准确性.

主要成果:

测量方法之间的平均偏差为79微米.
在CaraPrint 4.0 (DLP) 中,平均偏差最小 (25.1微米),其次是Form2 (SLA) (141.8微米) 和SolFlex350 (DLP) (207.1微米).
打印机的选择对准确性产生了最重要的影响;对齐和支结构也影响了结果.

结论:

3D打印牙科模型的尺寸准确性在打印机之间有很大差异.
在这项研究中,DLP技术,特别是CaraPrint 4.0在牙模型制造方面表现出卓越的准确性.
优化打印参数对于在3D打印牙科模型中实现临床上可接受的尺寸精度至关重要.

关键词:

通过3D打印打印3D打印.牙科模型牙科模型维度准确度维度准确度维度准确度维度准确度支持结构结构的支持结构.

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