Effect of milling and sintering process on integrity of zirconia prosthesis:a literature review
10.14368/jdras.2022.38.3.127
- Author:
Kiun LEE
1
;
Kyung-Ho KO
;
Yoon-Hyuk HUH
;
Chan-Jin PARK
;
Lee-Ra CHO
Author Information
1. Department of Prosthodontics and Research Institute of Oral Science, College of Dentistry, Gangneung-Wonju National University, Gangneung, Republic of Korea
- Publication Type:Review Article
- From:Journal of Dental Rehabilitation and Applied Science
2022;38(3):127-137
- CountryRepublic of Korea
- Language:English
-
Abstract:
Zirconia is fabricated through various processes. Each element in fabricating process can affect the physical properties of the definitive prosthesis. In particular, both the milling process and the sintering process can affect the final integrity of the zirconia prosthesis. Most of the milling machines adopt the ultra-precision 5-axis machining method, and the results vary depending on which milling method was used and how the milling equipment was managed. Milling blocks are selected according to cutting efficiency and aesthetic reproducibility. The sintering method can affect the grain growth and optical properties, and an accurate evaluation can be made only with additional research on the recent speed sintering procedure. Not only the sintering temperature but also the temperature holding time can affect the quality of definitive prosthesis.
