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Advances in Applied Ceramics
Structural, Functional and Bioceramics
Volume 119, 2020 - Issue 5-6: Advanced Ceramics for Dentistry
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Research Articles

A preliminary study on a tooth preparation robot

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Pages 332-337 | Received 14 May 2019, Accepted 07 Sep 2019, Published online: 17 Sep 2019
 

ABSTRACT

This is a study of a robot-controlled ultrashort pulse laser system used for tooth preparation to overcome drawbacks of traditional manual methods, thus improving its quality, precision, and clinical efficacy. Based on the international advanced digital technologies, automation technologies, and medical laser technologies, the entire tooth preparation process was completed autonomously using the robot-controlled ultrashort pulse laser. In the study, 15 extracted human first molars were prepared automatically by the robot system. And the result accuracy was evaluated using software. Compared with the CAD data of standard tooth preparation, the overall average error, preparation depth of the natural tooth preparation, and convergence angle were 0.05–0.17 mm, 2.097 ± 0.022 mm with an error of 0.097 ± 0.022 mm, and 6.98 ± 0.35° with an error of 0.98 ± 0.35°, respectively. The feasibility and accuracy of the robot-controlled femtosecond laser technique for tooth preparation were confirmed.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This study was supported by the National Natural Science Foundation of China (grant number 81571023), the Clinical Medicine Plus X - Young Scholars Project of Peking University (grant number PKU2019LCXQ024), and the University of Science & Technology Beijing (grant number 2018-Z04).

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