论文标题
在研究燃烧的牙科残留物中整合分光光度法和XRD分析
Integrating spectrophotometric and XRD analyses in the investigation of burned dental remains
论文作者
论文摘要
通过破坏有机含量并诱导羟基磷灰石晶体生长来改变牙齿的颜色和结晶度。可以使用分光光度法和X射线衍射分析来定量颜色和结晶石变化，但是这些分析并不常用于组合中以评估燃烧的牙齿残留物。在这项研究中，将39颗牙齿在300-1000 $^\ Circ $ C焚化15和30分钟，然后使用分光光度计和X射线衍射仪进行测量。所使用的响应变量是轻度，l $^\ ast $，以及色彩的$^\ ast $和b $^\ ast $ and Luminance and Luminance（Whiteness and yellentes and yellowness），以及用于结晶度的晶体大小。确定这些变量归因的统计分析显示，大喊大叫和晶体大小受到温度的显着影响（$ p <0.05 $），而热暴露的持续时间没有显着影响。这项研究表明，在调查热加热牙齿中，分光光度法和X射线衍射都包含在内，可用于准确估计温度牙齿的暴露。
Heat alters colour and crystallinity of teeth by destruction of the organic content and inducing hydroxyapatite crystal growth. The colour and crystallite changes can be quantified using spectrophotometric and x-ray diffraction analyses, however these analyses are not commonly used in combination to evaluate burned dental remains. In this study, thirty-nine teeth were incinerated at 300-1000$^\circ$C for 15 and 30 minutes and then measured using a spectrophotometer and an x-ray diffractometer. Response variables used were lightness, L$^\ast$, and chromaticity a$^\ast$ and b$^\ast$ and luminance (whiteness and yellowness) for colour, and crystal size for crystallinity. Statistical analysis to determine the attribution of these variables revealed yellowness and crystal size were significantly affected by temperature ($p < 0.05$), whilst duration of heat-exposure showed no significant effect. This study suggests the inclusion of both spectrophotometric and x-ray diffraction in investigating thermal-heated teeth is useful to accurately estimate the temperature teeth are exposed to.
