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不同表面处理对三种商用钇稳定四方氧化锆多晶体低温降解的影响

Influence of Different Surface Treatments on the Low-Temperature Degradation of Three Commercial Yttria-Stabilized Tetragonal Zirconia Polycrystal.

作者信息

Tian Jumei, Liao Huei-Jyuan, Ho Wen-Fu, Hsu Hsueh-Chuan, Wu Shih-Ching

机构信息

Engineering Research Center of Stomatological Biomaterials, Fujian Province University, School of Stomatology of Xiamen Medical College, Xiamen 361023, China.

College of Veterinary Medicine, National Chiayi University, No. 300 Syuefu Rd., Chiayi City 600355, Taiwan.

出版信息

Materials (Basel). 2025 May 28;18(11):2543. doi: 10.3390/ma18112543.

DOI:10.3390/ma18112543
PMID:40508540
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12155801/
Abstract

Aging of yttria-stabilized tetragonal zirconia polycrystal (Y-TZP) under wet conditions is known as low-temperature degradation (LTD), which is associated with phase change and decreasing mechanical strength. Herein, we studied the effects of different surface treatments on the LTD of three different commercial Y-TZP blocks utilizing CAD/CAM technology, namely, , and . The blocks were immersed in 4% acetic acid at 80 °C for 0, 7, 14, and 28 days. The effects of surface treatments such as sandblasting and polishing were also examined. The results showed that the monoclinic phase increased with immersion time in all three brands. In blocks, a minimal amount of phase transformation was observed, with the smallest amount of degradation after immersion. Sandblasting and polishing both suppressed phase transformation. After immersion, the mechanical strength exhibited a small decrease with time. Accelerating the evaluation of the LTD of zirconia may effectively help with clinical applications.

摘要

钇稳定四方氧化锆多晶体（Y-TZP）在潮湿条件下的老化被称为低温降解（LTD），这与相变和机械强度降低有关。在此，我们利用CAD/CAM技术研究了不同表面处理对三种不同商业Y-TZP块体低温降解的影响，即，和。将这些块体在80℃的4%乙酸中浸泡0、7、14和28天。还研究了喷砂和抛光等表面处理的效果。结果表明，所有三个品牌的单斜相均随浸泡时间增加。在块体中，观察到的相变最少，浸泡后降解量最小。喷砂和抛光均抑制了相变。浸泡后，机械强度随时间略有下降。加速氧化锆低温降解的评估可能会有效地有助于临床应用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/9754b2ee2bfe/materials-18-02543-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/c4a657c92a48/materials-18-02543-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/153045ee15a7/materials-18-02543-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/221747d37f73/materials-18-02543-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/35cbbd96cc69/materials-18-02543-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/c1a4974378f7/materials-18-02543-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/3b00aefedd78/materials-18-02543-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/944f6e60672e/materials-18-02543-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/6da205cf047e/materials-18-02543-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/1e343888bfee/materials-18-02543-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/9754b2ee2bfe/materials-18-02543-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/c4a657c92a48/materials-18-02543-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/153045ee15a7/materials-18-02543-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/221747d37f73/materials-18-02543-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/35cbbd96cc69/materials-18-02543-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/c1a4974378f7/materials-18-02543-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/3b00aefedd78/materials-18-02543-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/944f6e60672e/materials-18-02543-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/6da205cf047e/materials-18-02543-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/1e343888bfee/materials-18-02543-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1fab/12155801/9754b2ee2bfe/materials-18-02543-g010.jpg

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Conventional sintering of nano-crystalline Yttria-Stabilized Zirconia enables high-strength, highly translucent and opalescent dental ceramics.
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