Objective:To find a suitable growing environment for the bioengineered teeth in vivo by observing the development of rat tooth germs (rTGs) of heterotopic allotransplantation.

• 目的:观察牙胚在同种异体大鼠体内不同部位的发育情况,为进一步组织工程化牙齿的构建探寻合适的体内生长环境。