Ultrastructure of the dento-gingival junction after gingivectomy.
Ultrastructure of the dento-gingival junction after gingivectomy.
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牙龈切除术后牙-牙龈交界处的超微结构。
DOI：
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发表时间：
1972
影响因子：
3.5
通讯作者：
Max A. Listgarten
中科院分区：
文献类型：
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作者：
Max A. Listgarten
在牙龈切除术后12至49天的时间间隔内，将2只食蟹猴的侧切牙与邻近牙龈原位移除。电子显微镜检查的标本表明，上皮再附着可能发生在12天或更短的时间内，在这些实验条件下。半桥粒和一个基膜再生对釉质以及冠和根牙骨质表面。再附着似乎发生对形态正常和表面改变牙骨质。在手术过程中，延伸穿过薄冠状牙骨质层的牙釉质层未受到干扰。半桥粒再生速度比基底层对牙齿表面或牙龈结缔组织。
The lateral incisors of 2 cynomolgus monkeys were removed with the adjacent gingiva in situ at intervals of 12 to 49 days after gingivectomy. Electron microscopic examination of the specimens indicated that epithelial reattachment may occur in 12 days or less under these experimental conditions. Hemidesmosomes and a basement lamina were regenerated against enamel as well as coronal and root cementum surfaces. Reattachment appeared to occur against both morphologically normal and superficially altered cementum. Enamel lamellae extending through the thin coronal cementum layer were not disturbed during the surgical procedure. Hemidesmosomes appeared to regenerate more rapidly than the basement laminas against either the tooth surface or the gingival connective tissue.