CC BY 4.0 · European Dental Research and Biomaterials Journal 2022; 03(01/02): 026-029
DOI: 10.1055/s-0043-1768175
Original Article

The Comparison of Fracture Resistance between Low Translucent and Ultra-High Translucent Monolithic Zirconia Crown

Pratama Kesuma Tanudjaja
1   Department of Prosthodontics, Faculty of Dentistry, Universitas Padjadjaran, Bandung, Indonesia
,
Setyawan Bonifacius
1   Department of Prosthodontics, Faculty of Dentistry, Universitas Padjadjaran, Bandung, Indonesia
,
Rasmi Rikmasari
1   Department of Prosthodontics, Faculty of Dentistry, Universitas Padjadjaran, Bandung, Indonesia
› Author Affiliations

Abstract

Objective From the beginning of its discovery, the monolithic zirconia crown was highlighted for its remarkable strength; therefore, only available in opaque color. During the past decade, the translucent monolithic zirconia crown was manufactured to meet the aesthetic and restoration demand but was thought to be the cause of decreasing its strength. This study aimed to compare the fracture resistance between two types of translucent monolithic zirconia crowns, that is, low translucent monolithic zirconia (LT) and ultra-high translucent monolithic zirconia (UHT).

Material and Methods The premolar crown model was prepared using a computer-aided design/computer-aided manufacturing system, producing 1 mm of thickness. Ten crown samples were divided into LT and UHT. Then, each sample was measured for its fracture resistance using Universal Testing Machine until a fracture occurred. The differences in fracture resistance were analyzed using an independent t-test with p < 0.05.

Result The LT showed a higher fracture resistance than UHT (p < 0.05).

Conclusion The LT monolithic zirconia crown has strength and can be used for posterior crown restoration.

Ethical Approval

Not required – the study did not involve human subjects.




Publication History

Article published online:
13 December 2023

© 2023. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/)

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