Improving 3D-Printed Orthodontic Retainers
Author Information
Author(s): Neoh Siew Peng, Khantachawana Anak, Santiwong Peerapong, Chintavalakorn Rochaya, Srikhirin Toemsak
Primary Institution: Mahidol University
Hypothesis
Can post-processing methods enhance the surface, optical, and mechanical properties of 3D-printed orthodontic clear retainers?
Conclusion
Centrifugation post-processing significantly improves the surface and optical properties of 3D-printed orthodontic retainers.
Supporting Evidence
- Post-processing by centrifugation improved surface roughness and optical properties.
- Centrifuged samples showed better tensile strength and hardness.
- Coating in an oxygen-free environment enhanced mechanical properties.
- Design modifications may be necessary to ensure proper fit after post-processing.
Takeaway
This study shows that spinning 3D-printed retainers can make them smoother and clearer, which is better for wearing them in your mouth.
Methodology
Samples were made from two types of 3D-printing resins and one thermoplastic, tested under dry, wet, and aged conditions for surface, optical, and mechanical properties.
Limitations
The sample size was relatively small, which may affect the accuracy of the results.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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