KNOWLEDGE BASE FOR DENTAL LABS
Practical guides on material selection, workflow design, and better repeatability in dental lab processes.
Correct storage has a direct impact on repeatability in the dental laboratory. The same material can behave very differently when it has been exposed to humidity, light, temperature swings or poor stock rotation.
Material selection should start with the stage of work, not with the product name alone. A laboratory printing orthodontic models has different needs than a laboratory focused on working dies or print-to-cast.
The cost of an error in a dental laboratory is rarely limited to material waste. More often it means extra technician time, repeated work, delayed delivery and lower process predictability.
Accuracy in the dental laboratory is never created at only one stage. It is the result of the entire chain: model, working die, printed pattern, investment system and final casting.
Many laboratories no longer work in one technological model only. They combine printed models, classic dies, duplicating steps and casting in one hybrid process.
Different prosthetic jobs need different material priorities. Crowns and bridges, partial frameworks and full dentures do not place the same demands on models, dies, casting patterns or supporting materials.
Laboratories often optimize one parameter at the expense of another. Pushing only for speed can hurt fit and repeatability, while pursuing only maximum accuracy can slow down output and overload finishing stages.
This comparison matters because laboratories often use both digital and classic model workflows side by side. The real question is not which option is universally better, but which one is better for a specific task.
Print-to-cast becomes valuable when the laboratory wants to shorten the route from digital design to final casting without losing control over fit and repeatability.
Orthodontic models and thermoforming cases need their own selection logic. Here, surface quality, routine repeatability and production speed can be just as important as dimensional stability.
3D printer settings: Ransom & Randolph 3D model resins are compatible with DLP and LCD 3D printers. Because every 3D printer, resin, and model is different, achieving the best print quality may require adjusting parameters in the slicing software. This customization ensures optimal settings for R&R resins and the requirements of the specific print. For best results, use the settings in this guide and always follow the printer manufacturer’s instructions.
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