Acknowledgement
The authors thank the researchers of the Advanced Dental Device Development Institute, Kyungpook National University, for their time and contributions to the study. This work was supported by the Industrial Strategic Technology Development Program (10062635, New hybrid milling machine with a resolution of less than 10 ㎛ development, using open CAD/CAM S/W integrated platforms for oneday prosthetic treatment of 3D smart medical care system) funded by the Ministry of Trade, Industry and Energy (MOTIE, Korea). This research was conducted under the industrial infrastructure program of laser industry support, which is funded by the Ministry of Trade, Industry & Energy (MOTIE, Korea, N0000598).
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