アブストラクト（9巻2号：The Bulletin of Kanagawa Dental College）

The Bulletin of Kanagawa Dental College

English

Title　： Transplantation of Tooth Bud with Jaw Bone in Mice
Subtitle　： ORIGINAL ARTICLES
Authors　： Masayoshi Koizumi*, Hironori Kitamura**
Authors（kana）　：
Organization　： *Department of Pedodontics, Kanagawa Dental College, **Department of Oral Histology, Kanagawa Dental College
Journal　： The Bulletin of Kanagawa Dental College
Volume　： 9
Number　： 2
Page　： 67-75
Year/Month　： 1981 / 9
Article　： Original article
Publisher　： Kanagawa Odontological Society
Abstract　： [Abstract] Dissected mandibular bone fragments which contained the first molar buds from 17 to 19 day mouse fetuses were transplanted to the dorsal subcutaneous space of the same strain adult mice. Of 47 grafts, 23 were harvested (48.9%) 30 to 32 days after transplantation. Of 23 molars harvested, 16 molars showed root formation (34.0% of the transplantation). In well-developed molars, not only the dental hard tissues but also the periodontal ligament and alveolar bone were formed. However, partial hypoplastic enamel and irregular or osteoid dentin formation took place in many cases. Partial aplasia of the enamel was noticed in some cases and malformed or thinner dentin formations were found not only in the crown but also in the root in some cases. In two cases, the crown was erupted in a large keratocyst, and epithelial attachment was almost established.
Practice　： Dentistry
Keywords　： Root formation, Tooth bud transplantation, Mouse