| 王婷婷,王丽娜,范震.阳极氧化钛合金表面着色技术模拟天然牙根及牙龈颜色的研究[J].口腔材料器械杂志,2017,26(2):85-90,106. |
| 阳极氧化钛合金表面着色技术模拟天然牙根及牙龈颜色的研究 |
| Coloring the surface of titanium alloy by anodization to simulate the native color of human tooth and gingiva |
| 投稿时间：2016-04-09 修订日期：2016-07-25 |
| DOI：10.11752/j.kqcl.2017.02.06 |
| 中文关键词: Ti-6Al-4V 阳极氧化 红色美学 |
| 英文关键词:Ti-6Al-4V Anodization Pink aesthetics |
| 基金项目:上海市科委医学引导类项目（编号：134119b2000，14411967000） |
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| 中文摘要: |
| 目的 通过阳极氧化技术使钛合金表面着色，比较钛合金表面与天然牙根及牙龈颜色的差异，筛选出美学性能更佳的钛合金颜色及相应的阳极氧化条件。方法 钛合金（Ti-6Al-4V）置于浓度为1mol/L的磷酸电解质溶液中，在0~90V范围内调整电解电压进行阳极氧化，使钛合金表面呈现不同颜色。自然光线下，筛选出表面颜色近似于牙根、牙龈颜色的钛合金试件。利用Crystaleye分光光度计比色仪分别测量天然牙根、牙龈、着色钛合金及未处理钛合金的L*a*b*值。比较各组间△ E的差异。结果 阳极氧化后钛合金表面呈现不同颜色，当电解电压为5V、10V、55V、60V时形成黄色系钛合金，与天然牙根色系接近；电解电压为65V、70V时形成红色系，与牙龈颜色接近。分光光度计比色仪测量可知，天然牙根、牙龈与实验中着色钛合金及未处理钛合金的L*，a*，b*值之间的差异均有统计学意义（P<0.05），其中天然牙根与着色钛合金的L*与b*差异大，而a*差异较小。天然牙龈与着色钛合金的L*的差异小，而a*和b*差异较大。65V电压处理后的钛合金与牙龈之间色差值最小。结论 阳极氧化技术可使钛合金表面形成浅黄、金黄、黄红等与牙根、牙龈相近颜色。阳极氧化技术可缩小钛合金与天然牙根、牙龈色差。 |
| 英文摘要: |
| Objective This study aimed to make the surface of titanium alloy colored by anodicoxidationand compare color differences of titanium alloy vs. tooth root and gingiva to search for optimal anodization conditionswith better aesthetics properties. Methods Titanium alloys (Ti-6Al-4V) were anodized in1M phosphoric acid. Feeding voltage varied between 0 and 90 V to form different colors on titanium alloy surfaces. Colored titanium alloys, similar to color of tooth root and gingiva, were screened visually in the natural light. The L*,a*,b* values of tooth root, gingiva, colored titanium alloy and untreated titanium alloy were measured by spectrophotometry, and color differences(△ E) were compared among the four groups. Results Different colors were presented on surfaces of titanium alloy with various voltages by anodic oxidation. Surface color was within the yellow hue spectrum at the voltage of 5V, 10V, 55V, 60V, which was similar to the color of tooth root. Surface color was within the red hue spectrum at the voltage of 65V and 70V, which was similar to the color of gingiva. The L*, a*, b* values of tooth root, gingiva, colored and untreated titanium alloys were all statistically significant (P<0.05). The values of △ L*and △ b* were higher than △ a*between colored titanium alloy and tooth root. However, the value of △ L* between colored titanium alloy and gingiva was lower than △ a* and △ b*. And the lowest value of color differences between colored titanium alloy and gingiva was revealed at the voltage of 65 V. Conclusion Colors of light yellow, golden and yellowish redon titanium alloy surfaces could be formed by anodic oxidation,which were similar to the color of natural tooth root or gingiva. Compared with untreated titanium alloy,color differences were reduced between colored titanium alloy and toothroot or gingiva. |
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