User Manual Q&AAnswer
Feb 26, 2025 - 10:05 AM
After completing the printing process, it is important to perform post-processing steps to ensure the final quality of the printed splint. Here are the recommended steps for cleaning and post-processing:
1. Allow the design to drip off: Leave the printed design in the printer for 10 minutes after printing to allow excess print material to drip off the surface. This helps save material and prolong the service life of the cleaning fluid.
2. Remove construction platform and supports: Carefully remove the construction platform and then remove the design from it. Use a pair of tweezers to carefully cut off the supports.
3. Clean the design: Place the design in a closed container with propan-2-ol (isopropanol cleaning fluid) for 5 minutes in an ultrasonic bath. Do not heat the design in the cleaning solution or leave it in the solution for a long period.
4. Dry the design: Use a pair of tweezers to remove the design from the cleaning fluid. If necessary, blow it off with compressed air and then let it dry. It is recommended to dry the design in an oven at 40 °C. Note that residues of the cleaning fluid on the surface may result in a softer and sometimes scratch-sensitive surface after post-curing.
5. Post-cure the design: Place the design in an Otoflash G171 light curing device and perform post-curing with 2 x 2400 flashes. Turn the design between the two cycles. It is recommended to use the nitrogen (protective gas) function to minimize oxygen inhibition and improve surface and material properties. Follow the manufacturer's specifications for the device.
6. Manual post-processing: After post-curing, manually clean the supports and polish the design using commercially available rotating instruments for plastic processing. Take care to avoid excessive heat development during finishing and polishing to prevent inaccurate fitting after polymerization. It is recommended to place the splint on a suitable model during the finishing process due to its high flexibility.
Please note that these instructions are based on the MERZ DENTAL CreaPRINT Splint Flex Dental Resin Instruction Manual. Always refer to the manual for the most accurate and up-to-date instructions.
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