快速烧结和低温老化对高透氧化锆半透性的影响

doi:10.7518/hxkq.2024.2023249

华西口腔医学杂志 ›› 2024, Vol. 42 ›› Issue (1): 62-66.doi: 10.7518/hxkq.2024.2023249

快速烧结和低温老化对高透氧化锆半透性的影响

李燕¹^,²^,³(), 钟梦怡¹^,²^,³, 杨瑛¹^,²^,³()

^1.南昌大学附属口腔医院, 南昌 330006
^2.江西省口腔生物医学重点实验室, 南昌 330006
^3.江西省口腔疾病临床医学研究中心, 南昌 330006

收稿日期:2023-08-09 修回日期:2023-12-07 出版日期:2024-02-01 发布日期:2024-01-12
通讯作者: 杨瑛 E-mail:1150185328@qq.com;yangying27@tom.com
作者简介:李燕，医师，硕士，E-mail：1150185328@qq.com

Effect of speed sintering and aging on the translucency of high-translucent zirconia

Li Yan¹^,²^,³(), Zhong Mengyi¹^,²^,³, Yang Ying¹^,²^,³()

^1.The Affiliated Stomatological Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, China
^2.Jiangxi Province Key Laboratory of Oral Biomedicine, Nanchang 330006, China
^3.Jiangxi Province Clinical Research Center for Oral Disease, Nanchang 330006, China

Received:2023-08-09 Revised:2023-12-07 Online:2024-02-01 Published:2024-01-12
Contact: Yang Ying E-mail:1150185328@qq.com;yangying27@tom.com

摘要/Abstract

摘要：

目的评估快速烧结和低温老化对高透氧化锆半透性的影响。方法利用常规烧结和快速烧结分别烧结高强氧化锆ST和高透氧化锆TT，分别进行0、5和20 h的低温老化处理后，采用Shade Eye NCC电脑比色仪在标准黑白背景下测量色彩学特征参数（L*、a*、b*值），使用半透明参数（TP）评估材料半透明性。结果快速烧结会降低ST的TP值，会升高TT的TP值。低温老化对TT的TP值没有影响；常规烧结的ST的TP值随着老化时间的延长降低，快速烧结组没有显著变化。结论快速烧结会降低高强氧化锆的半透性，改善高透氧化锆的半透性。低温老化对高透氧化锆的半透性没有影响。就半透性而言，建议用快速烧结的方式烧结高透氧化锆。

关键词: 高透氧化锆, 快速烧结, 低温老化, 半透明性

Abstract:

Objective This work aimed to evaluate the effect of speed sintering and low-temperature degradation on the translucency of high-translucent zirconia. Methods The ST and TT specimens were randomly divided into two groups depending on the sintering process: conventional sintering and speed sintering. The sintered specimens were divided into three subgroups according to the aging time: aged for 0, 5, and 20 h. Chromatic parameters (L*, a*, and b* values) were measured by Shade Eye NCC computer colorimeter in a dark environment under black and white background, and the translucency parameter (TP) was used to evaluate the translucency of zirconia. Results Speed sintering may decrease the TP of ST and increase the TP of TT. As for the effect of low-temperature degradation on the translucency of zirconia, the TP of ST decreased with the extension of aging time, and no significant difference was found in rapid sintering ST. Although the TP of TT decreased, no statistical difference was observed. Conclusion Speed sintering may decrease the translucency of high-strength zirconia and increase the translucency of high-translucent zirconia. Low-temperature degradation had no effect on the translucency of high-translucent zirconia. Speed sintering can be recommended for high-translucent zirconia in terms of translucency.

Key words: high-translucent zirconia, speed sintering, low-temperature degradation, translucency

中图分类号:

R783.1

李燕, 钟梦怡, 杨瑛. 快速烧结和低温老化对高透氧化锆半透性的影响[J]. 华西口腔医学杂志, 2024, 42(1): 62-66.

Li Yan, Zhong Mengyi, Yang Ying. Effect of speed sintering and aging on the translucency of high-translucent zirconia[J]. West China Journal of Stomatology, 2024, 42(1): 62-66.

图/表 4

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实验处理	0 h	5 h	20 h	P值
P值	0.000	0.000	0.000
常规烧结	9.12±0.45^aA	8.53±0.39^aB	7.93±0.23^aC	0.000
快速烧结	7.27±0.34^bA	7.20±0.31^bA	7.25±0.24^bA	0.100

实验处理	0 h	5 h	20 h	P值
P值	0.000	0.491	0.061
常规烧结	9.13±0.32^aA	9.47±0.43^aA	9.36±0.31^aA	0.469
快速烧结	10.05±0.31^bA	9.60±0.61^aA	9.70±0.35^aA	0.267

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快速烧结和低温老化对高透氧化锆半透性的影响

Effect of speed sintering and aging on the translucency of high-translucent zirconia

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