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アブストラクト（31巻2号：神奈川歯学）
Japanese
| Title ： | 血管鋳型法を用いた歯髄脈管に関する形態学的研究 |
|---|---|
| Subtitle ： | 原著 |
| Authors ： | 河野英生, 高橋和人 |
| Authors（kana） ： | |
| Organization ： | 神奈川歯科大学口腔解剖学教室 |
| Journal ： | 神奈川歯学 |
| Volume ： | 31 |
| Number ： | 2 |
| Page ： | 151-163 |
| Year/Month ： | 1996 / 9 |
| Article ： | 原著 |
| Publisher ： | 神奈川歯科大学学会 |
| Abstract ： | 「緒言」これまで歯髄の脈管形態については, 数多くの研究が行われてきている. 歯髄組織における血管網の基本的な分布状態として, 後藤はイヌ歯髄で, Kramerはヒト歯髄で墨汁注入組織切片を作製し観察している. Kindlovaはラット切歯のラテックス注入標本で, 蒲はイヌでメタアクリル酸メチルエステルを注入した血管鋳型標本を作製し, 肉眼, 光学顕微鏡レベルで血管構築の観察を行っている. また, Takahashi, Kishi, 小林等は, 低粘度のアクリル系合成樹脂(Mercox)を注入したイヌ歯髄血管鋳型標本を走査型電子顕微鏡で観察し, 歯髄全体の立体的血管構築像を示した. そのなかで, 彼らは若犬の歯髄血管網の表層付近は三層の血管網から構成され, それらが歯髄表面を覆っていることを報告している. ところで, 微小循環で血管とともに重要視されているのがリンパ管である. |
| Practice ： | 歯科学 |
| Keywords ： | 血管鋳型, 歯髄炎, 微小循環 |
English
| Title ： | Morphological Study on Microcirculation of Dental Pulp using Vascular Corrosion Casts in Dogs |
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| Subtitle ： | |
| Authors ： | Eisei KONO, Kazuto Takahashi |
| Authors（kana） ： | |
| Organization ： | Department of Oral Anatomy, Kanagawa Dental College |
| Journal ： | Kanagawa Shigaku |
| Volume ： | 31 |
| Number ： | 2 |
| Page ： | 151-163 |
| Year/Month ： | 1996 / 9 |
| Article ： | Original article |
| Publisher ： | Kanagawa Odontological Society |
| Abstract ： | [Abstract]: The purpose of this study was to examine the characteristics of microcirculation beneath the exposed surface in the dental pulp of young mongrel dogs. Upper and lower maxillary teeth (I3～M1) of dogs were experimentally exposed by an air-turbin with cooling water and kept open without any sealing. Examination methods were divided into the following two ways ; scanning electron microscopic examination in vascular corrosion casts and transmission electron microscopic examination in ultrathin sections. The following findings were obtained. 1) Four hours after exposure, methyl methacrylate resin (Mercox) leaked out from capillaries ; the Mercox leaked diffused beneath the exposed surface out of order. 2) One day after exposure, the leaked Mercox changed into globular forms beneath the exposed surface. 3) Seven days after exposure, a globular formed Mercox changed into beads-like appearance of vascular corrosion casts in some parts beneath the exposed surface ; the beads-like vascular corrosion casts were confluented with venules. 4) Lymphatic vesseles-like lumen which is composed of endothelium layer, but lacking in basal membrane pericytes was recognized. In conclusion, it is conceivable that capillary lumen seen through ultrathin sections corresponds with beads-like appearance of vascular corrosion casts. Venules having beads-like appearance located in the surrounding area of the abscess were considered to have lymphatic characteristics from a view point of its disposition and structure. Therefore, it may be a part of venular fluid absorbing systems which regulates diffusion and/or transport of exudate substances from outside of the blood vessels. |
| Practice ： | Dentistry |
| Keywords ： |
