CN103169624B - 口腔修复瓷材料及其应用 - Google Patents
口腔修复瓷材料及其应用 Download PDFInfo
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- CN103169624B CN103169624B CN201310048415.1A CN201310048415A CN103169624B CN 103169624 B CN103169624 B CN 103169624B CN 201310048415 A CN201310048415 A CN 201310048415A CN 103169624 B CN103169624 B CN 103169624B
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- 229910010293 ceramic material Inorganic materials 0.000 title claims abstract description 40
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 abstract description 14
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 238000005481 NMR spectroscopy Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 4
- 229910021645 metal ion Inorganic materials 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract description 3
- 206010061218 Inflammation Diseases 0.000 abstract description 2
- 230000004054 inflammatory process Effects 0.000 abstract description 2
- 239000002932 luster Substances 0.000 abstract description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 238000005299 abrasion Methods 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 238000002591 computed tomography Methods 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000007769 metal material Substances 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 210000000214 mouth Anatomy 0.000 description 34
- 238000005245 sintering Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 210000004195 gingiva Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000120 Artificial Saliva Substances 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004513 dentition Anatomy 0.000 description 1
- 229910000071 diazene Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002320 enamel (paints) Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 208000007565 gingivitis Diseases 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel diimine coordination complex Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 229910000923 precious metal alloy Inorganic materials 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
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- Dental Preparations (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
一种口腔修复瓷材料，以质量百分数计，包括以下组分：Y2O30.20-5.00％、HfO20.10-5.00％、Al2O30.10-6.50％、SiO20.80-2.70％、余量为ZrO2。本发明的口腔修复瓷材料包含了ZrO2陶瓷的优秀性能，生物相容性良好，具有高硬度，高强度，高韧性，极高的耐磨性及耐化学腐蚀性等优秀性质，加工性好；而且光学性能良好，折射、散射系数与牙本体组织相近，可以再现天然牙的透明度，色泽。此外由于本发明的口腔修复瓷材料使用时烧结成瓷块，不含金属材料，不会有金属离子释放造成牙龈的变色和炎症，不会影响核磁共振和CT检查。
Description
技术领域
本发明涉及牙科修复领域，特别是涉及口腔修复瓷材料及其应用。
背景技术
牙病是一种常见的病患，发病率很高。牙体缺损、牙列缺失则在牙病中的十分常见，通常采用义齿进行修复。
烤瓷牙是一种常用的义齿，烤瓷牙由内部的金属基底层和外部的瓷层两层构成，根据其金属基底冠材料的不同分为三类：贵金属合金烤瓷冠(以金合金烤瓷冠为代表)，非贵金属合金烤瓷冠(以镍铬合金烤瓷冠、口腔修复瓷材料烤瓷冠为代表)，钛合金烤瓷冠。
烤瓷牙由于内部的金属基底层的存在，在临床使用中发现烤瓷牙存在以下问题：第一，在口腔的特殊环境中，由于金属的腐蚀与金属离子的释放造成牙龈的变色和炎症。第二，由于金属基底的透光性差，使烤瓷牙颜色缺乏深度，和其他牙齿差异较为明显，影响美观。第三，口腔内烤瓷牙的存在影响核磁共振和CT检查。
发明内容
基于此，有必要针对烤瓷牙的合金对牙龈的影响、不美观以及影响检查的问题，提供一种不含金属的口腔修复瓷材料。
一种口腔修复瓷材料，以质量百分数计，包括以下组分：Y2O30.20-5.00％、HfO20.10-5.00％、Al2O30.10-6.50％、SiO20.80-2.70％、余量为ZrO2。
在其中一些实施例中，所述口腔修复瓷材料包括以下组分：Y2O31.20-3.00％、HfO22.00-4.00％、Al2O32.10-5.00％、SiO21.50-2.50％、余量为ZrO2。
在其中一个实施例中，所述口腔修复瓷材料包括以下组分：Y2O32.00％、HfO23.50％、Al2O34.50％、SiO22.30％、余量为ZrO2。
本发明还提供了上述的口腔修复瓷材料在冠、固定桥、贴面、嵌体修复中的应用。
本发明的口腔修复瓷材料包含Y2O3、HfO2、Al2O3、SiO2以及ZrO2组分。各组分的功效如下：
ZrO2含量最高，是组成口腔修复瓷材料的主体部分，ZrO2烧结成致密的陶瓷，具有良好的生物相容性，而且硬度、强度、韧性高，耐磨性及耐化学腐蚀性强；ZrO2陶瓷具有良好的光学性能，折射、散射系数与牙本体组织相近。
Y2O3掺杂在ZrO2中，提高ZrO2的化学相容性，从而提高口腔修复瓷材料的稳定性。
HfO2不溶于盐酸和硝酸，提高了口腔修复瓷材料的耐酸性。
Al2O3掺杂在ZrO2中，改善了口腔修复瓷材料的稳定性。
SiO2能降低ZrO2的烧结温度和硬度，由于烧结致密的ZrO2陶瓷具有很高的硬度和强度，因而切削加工困难，适当的降低烧结温度和硬度，在保证口腔修复瓷材料的良好机械性能的基础上，赋予了较好的加工性能。
本发明的口腔修复瓷材料包含了ZrO2陶瓷的优秀性能，生物相容性良好，具有高硬度，高强度，高韧性，极高的耐磨性及耐化学腐蚀性等优秀性质，加工性能好；而且光学性能良好，折射、散射系数与牙本体组织相近，可以再现天然牙的透明度，色泽。此外由于本发明的口腔修复瓷材料使用时烧结成瓷块，不含金属材料，不会有金属离子释放造成牙龈的变色和炎症，不会影响核磁共振和CT检查。
具体实施方式
以下结合具体实施例对本发明做进一步的阐述。
实施例1口腔修复瓷材料
本实施例的口腔修复瓷材料，以质量百分数计，包括以下组分：Y2O30.20％、HfO25.00％、Al2O36.50％、SiO22.70％、余量为ZrO2。实施例2口腔修复瓷材料
本实施例的口腔修复瓷材料，以质量百分数计，包括以下组分：Y2O33.00％、HfO22.00％、Al2O35.00％、SiO21.50％、余量为ZrO2。
实施例3口腔修复瓷材料
本实施例的口腔修复瓷材料，以质量百分数计，包括以下组分：Y2O32.00％、HfO23.50％、Al2O34.50％、SiO22.30％、余量为ZrO2。
实施例4力学性能测试
对实施例1、2、3的口腔修复瓷材料的抗拉强度、热膨胀系数、洛氏硬度、屈服强度进行检测。检测结果如表1。
表1口腔修复瓷材料力学性能测试结果表
从表1可看出实施例1、2、3的口腔修复瓷材料的抗拉强度大，线膨胀系数小，洛氏硬度大，屈服强度大，表明本发明的口腔修复瓷材料具有高硬度，高强度，高韧性的特性。
实施例5耐腐性测试
取实施例1、2、3的口腔修复瓷材料进行人工唾液腐蚀失重实验，考察上述口腔修复瓷材料的耐腐蚀性。结果如表2所示。
表2口腔修复瓷材料耐腐蚀性测试结果表
从表2可看出实施例1、2、3的口腔修复瓷材料具有优秀的耐腐蚀性。
实施例6折光率测试
采用WYA-ZT上海精科自动阿贝折射仪(恒温)在室温下测定实施例1、2、3的口腔修复瓷材料的折光率，另外选择了3名志愿者，测定志愿者的牙本体的折光率。结果如表3。
表3折光率测定结果
由表3可知实施例1、2、3的口腔修复瓷材料的折光率与人体的牙本体的折光率相近。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。
Claims (3)
1.一种口腔修复瓷材料，其特征在于，以质量百分数计，包括以下组分：Y2O32.00％、HfO23.50-5.00％、Al2O34.50-6.5％、SiO22.30-2.70％、余量为ZrO2。
2.根据权利要求1所述的口腔修复瓷材料，其特征在于，包括以下组分：Y2O32.00％、HfO23.50％、Al2O34.50％、SiO22.30％、余量为ZrO2。
3.权利要求1或2所述的口腔修复瓷材料在冠、固定桥、贴面、嵌体修复中的应用。
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103989587B (zh) * | 2014-06-09 | 2016-08-17 | 哈尔滨市恒茂塑料水泥制品有限公司 | 氧化锆牙科全系列3d烤瓷牙 |
| CN104058742B (zh) * | 2014-06-13 | 2015-10-07 | 吉利 | 陶瓷托槽 |
| CN104387068A (zh) * | 2014-11-10 | 2015-03-04 | 苏州蔻美新材料有限公司 | 一种用于义齿制备的陶瓷材料及其制备方法 |
| CN106265089B (zh) * | 2016-08-24 | 2019-03-26 | 枣庄市立医院 | 一种口腔修复材料及其制备方法 |
| CN107397683B (zh) * | 2017-07-13 | 2020-09-22 | 深圳市一诺牙科技术有限公司 | 一种陶瓷牙齿贴面及其制备方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1675136A (zh) * | 2002-08-02 | 2005-09-28 | 3M创新有限公司 | 通过熔纺制备无定形陶瓷材料的方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1675136A (zh) * | 2002-08-02 | 2005-09-28 | 3M创新有限公司 | 通过熔纺制备无定形陶瓷材料的方法 |
Non-Patent Citations (1)
| Title |
|---|
| Cercon全瓷在口腔固定修复中的应用初探;楼北雁等;《华西口腔医学杂志》;20041031;第22卷(第5期);第402-403页 * |
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