Grossman E S, Hargreaves J A
MRC/University of the Witwatersrand, Dental Research Institute, Johannesburg, So. Africa.
J Prosthet Dent. 1991 Jan;65(1):93-7. doi: 10.1016/0022-3913(91)90057-4.
The cementoenamel junction of 18 teeth obtained from a young man with minimal periodontal involvement was examined in the scanning electron microscope to compare the relationships of the enamel, dentin, and cementum. The predominant arrangement of tissues proved to be that of cementum overlapping enamel, which took three distinct forms. Exposed surfaces of dentin were infrequent. Scalloping of the cementoenamel junction occurred in five teeth. In addition, the cementoenamel junction varied in a single tooth and between contralateral teeth. The conclusions indicate that the distribution of the three hard tissues found at the cervix are unpredictable and irregular. The findings of this study provide a baseline for future studies of the cementoenamel junction and restorative procedures in cervical regions of teeth.
从一名牙周病变轻微的年轻男性身上获取了18颗牙齿，对其牙骨质釉质界进行扫描电子显微镜检查，以比较釉质、牙本质和牙骨质之间的关系。结果表明，组织的主要排列方式是牙骨质覆盖釉质，这种情况有三种不同的形式。牙本质暴露表面较少见。五颗牙齿出现了牙骨质釉质界的扇贝样外形。此外，同一颗牙齿以及对侧牙齿之间的牙骨质釉质界也存在差异。结论表明，在牙颈部发现的三种硬组织的分布是不可预测且不规则的。本研究结果为未来关于牙骨质釉质界及牙齿颈部修复程序的研究提供了基线。
