A Comparative Study of Additive and Subtractive Manufacturing Techniques for a Zirconia Dental Product: An Analysis of the Manufacturing Accuracy and the Bond Strength of Porcelain to Zirconia

Joon Mo Moon; Chang Sub Jeong; Hee Jeong Lee; Ji Myung Bae; Eun Joo Choi; Sung Tae Kim; Young Bum Park; Seung Han Oh

doi:10.3390/ma15155398

A Comparative Study of Additive and Subtractive Manufacturing Techniques for a Zirconia Dental Product: An Analysis of the Manufacturing Accuracy and the Bond Strength of Porcelain to Zirconia

Joon Mo Moon, Chang Sub Jeong, Hee Jeong Lee, Ji Myung Bae, Eun Joo Choi, Sung Tae Kim, Young Bum Park, Seung Han Oh

Department of Prosthodontics

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

This study was aimed at preparing zirconia samples via additive manufacturing (AM) and subtractive manufacturing (SM) and testing the following aspects: (1) the manufacturing accuracy of the zirconia samples and (2) the bond strength of porcelain to zirconia to evaluate the applicability of the zirconia fabricated by AM in dental clinics. We used three milling machines for SM (AR, K5, and UP) and a 3D printer for AM (AO). The manufacturing accuracy of the zirconia specimen in the internal and marginal areas was evaluated by superimposing techniques to calculate the root mean square (RMS) values. The bond strengths of porcelain to zirconia prepared via SM and AM were measured using a universal testing machine. The internal and marginal RMS values of the zirconia prepared by AM (AO) were within the range of those of the zirconia prepared by SM (AR, K5, and UP). Moreover, the bond strength value of the zirconia prepared by AM (35.12 ± 4.09 MPa) was significantly higher than that of the zirconia prepared by SM (30.26 ± 5.20 MPa). Therefore, AM technology has significant potential for applications in dentistry.

Original language	English
Article number	5398
Journal	Materials
Volume	15
Issue number	15
DOIs	https://doi.org/10.3390/ma15155398
Publication status	Published - 2022 Aug

Bibliographical note

Funding Information:
This paper was supported by Wonkwang University in 2021.

Publisher Copyright:
© 2022 by the authors.

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics

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Moon, J. M., Jeong, C. S., Lee, H. J., Bae, J. M., Choi, E. J., Kim, S. T., Park, Y. B., & Oh, S. H. (2022). A Comparative Study of Additive and Subtractive Manufacturing Techniques for a Zirconia Dental Product: An Analysis of the Manufacturing Accuracy and the Bond Strength of Porcelain to Zirconia. Materials, 15(15), Article 5398. https://doi.org/10.3390/ma15155398

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abstract = "This study was aimed at preparing zirconia samples via additive manufacturing (AM) and subtractive manufacturing (SM) and testing the following aspects: (1) the manufacturing accuracy of the zirconia samples and (2) the bond strength of porcelain to zirconia to evaluate the applicability of the zirconia fabricated by AM in dental clinics. We used three milling machines for SM (AR, K5, and UP) and a 3D printer for AM (AO). The manufacturing accuracy of the zirconia specimen in the internal and marginal areas was evaluated by superimposing techniques to calculate the root mean square (RMS) values. The bond strengths of porcelain to zirconia prepared via SM and AM were measured using a universal testing machine. The internal and marginal RMS values of the zirconia prepared by AM (AO) were within the range of those of the zirconia prepared by SM (AR, K5, and UP). Moreover, the bond strength value of the zirconia prepared by AM (35.12 ± 4.09 MPa) was significantly higher than that of the zirconia prepared by SM (30.26 ± 5.20 MPa). Therefore, AM technology has significant potential for applications in dentistry.",

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A Comparative Study of Additive and Subtractive Manufacturing Techniques for a Zirconia Dental Product: An Analysis of the Manufacturing Accuracy and the Bond Strength of Porcelain to Zirconia

Abstract

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