豚鼠持续萌出牙齿中骨样牙本质的形成
Osteodentin formation in continuously erupting teeth of guinea pigs.
作者信息
Holmstedt J O, McClugage S G, Clark J S, Guevara M J
出版信息
J Dent Res. 1977 Dec;56(12):1569-76. doi: 10.1177/00220345770560122801.
PMID:277479
Abstract
Osteodentin formation in guinea pig teeth was studied using in vivo microscopic and histologic techniques. The coronal half of both incisors and molars contained varying amounts of osteodentin. Within the osteodentin, narrow canals that contained pulp tissue were observed. Serial histologic sections demonstrated that these canals opened to the occlusal surface thereby exposing the pulp to the oral cavity.
摘要
利用体内显微镜和组织学技术研究了豚鼠牙齿中的骨样牙本质形成。门牙和臼齿的冠部一半都含有不同数量的骨样牙本质。在骨样牙本质内，观察到含有牙髓组织的狭窄管道。连续组织学切片显示，这些管道通向咬合面，从而使牙髓暴露于口腔。
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