利用同步加速器 X 射线衍射技术研究亨特综合征对釉质晶体结构的影响。
Synchrotron X-ray diffraction to understand crystallographic texture of enamel affected by Hunter syndrome.
机构信息
Barts and the London School of Medicine and Dentistry, Institute of Dentistry, Queen Mary University of London, London E1 4NS, UK.
School of Dentistry, University of Birmingham, Birmingham B4 6NN, UK.
出版信息
Arch Oral Biol. 2017 Aug;80:193-196. doi: 10.1016/j.archoralbio.2017.04.019. Epub 2017 Apr 20.
OBJECTIVE
To determine whether Hunter syndrome (MPS II) affects the crystallographic texture (preferred orientation) of enamel.
DESIGN
Synchrotron X-ray diffraction, being a state of the art technique, has been used to determine the enamel crystallite orientation in enamel affected by Hunter syndrome (MPS II). The incisal, lingual and cervical regions of the MPS II affected tooth were observed and compared to healthy tooth.
RESULTS
It was observed that there is a loss of organization of crystallites in deciduous incisal enamel affected by Hunter syndrome (MPS II) as compared to healthy deciduous enamel tissue. Generally it was observed that, in contrast to the healthy enamel, the enamel affected by MPS II possessed a lower crystallographic preferred orientation, with a more uniform spatial distribution; however, the enamel at the incisal tip was relatively unaffected.
CONCLUSION
Hunter syndrome affects the enamel texture in the lingual and cervical regions of the tooth.
目的
确定亨特综合征（MPS II）是否会影响牙釉质的晶体学纹理（择优取向）。
设计
同步加速器 X 射线衍射是一种先进的技术，已被用于确定亨特综合征（MPS II）影响的牙釉质中牙釉质晶体的取向。观察 MPS II 受影响牙齿的切端、舌侧和颈侧区域，并与健康牙齿进行比较。
结果
与健康的乳牙组织相比，观察到亨特综合征（MPS II）影响的乳牙切端牙釉质中的晶体组织丧失了有序性。通常观察到，与健康牙釉质相比，MPS II 影响的牙釉质具有较低的晶体学择优取向，具有更均匀的空间分布；然而，牙切端的牙釉质相对不受影响。
结论
亨特综合征会影响牙齿舌侧和颈侧区域的牙釉质纹理。
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