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前牙色度学指标与视感色差关系的研究

Journal of Dental Prevention and Treatment(2008)

Cited 5|Views2
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Abstract
目的研究前牙色度学指标与视感色差关系,指导临床对牙齿比色与配色。方法选择2篇研究报告的前牙和比色板的CIE1976L*a*b*表色系统的L*、a*、b*数据,计算各自的△E9*4和△Ca*b。结果男性上下颌同名前牙的△E9*4为1.03~3.24,中切牙与尖牙的△E9*4为1.71~3.74。女性上下颌同名前牙的△E9*4为2.77~3.68,中切牙与尖牙的△E9*4为3.11~4.69。Vita 3D相邻一级彩度比色片的△E9*4为2.15~3.82,相邻二级彩度比色片的△E9*4为4.62~5.81。Vita C相邻一级彩度比色片的△E9*4为2.03~5.75,相邻二级彩度比色片的△E9*4为4.20~8.86。结论从比色和配色考虑,男性上下颌切牙的彩度宜同级或下颌切牙比上颌切牙低半级,女性下颌切牙比上颌切牙低一级彩度,尖牙高于中切牙一级彩度配色为宜。
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Key words
Color difference,Anterior teeth,Shade guide
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