TRANSMISSION ELECTRON-MICROSCOPIC CHARACTERIZATION OF HYPERSENSITIVE HUMAN RADICULAR DENTIN

被引：79

作者：

YOSHIYAMA, M ^{[1
]}

NOIRI, Y ^{[1
]}

OZAKI, K ^{[1
]}

UCHIDA, A ^{[1
]}

ISHIKAWA, Y ^{[1
]}

ISHIDA, H ^{[1
]}

机构：

[1] UNIV TOKUSHIMA,SCH DENT,DEPT PHARMACOL,TOKUSHIMA 770,JAPAN

来源：

JOURNAL OF DENTAL RESEARCH | 1990年 / 69卷 / 06期

关键词：

D O I：

10.1177/00220345900690061401

中图分类号：

R78 [口腔科学];

学科分类号：

1003 ;

摘要：

Transmission electron microscopy (TEM) and x-ray microanalysis (XMA) were used for the study of the ultrastructure of the lumens of dentinal tubules in superficial layers of dentin specimens obtained by use of a new biopsy technique from both hypersensitive and naturally desensitized areas of exposed root surfaces, in vivo. The TEM images showed clearly that the lumens of most of the tubules were occluded with mineral crystals in naturally desensitized areas, but such lumens were empty and surrounded with peritubular and intertubular dentin in hypersensitive areas. Moreover, electron-dense structures that lined peritubular dentin were observed in the empty lumens of dentinal tubules. © 1990, SAGE Publications. All rights reserved.

引用

页码：1293 / 1297

页数：5

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