The object of the present invention is to provide a dental model and a kit comprising the components and dental cast parts can improve the quality of the training exercise and it is possible to support a model tooth having a root portion extending downward. In the dental model comprising a model teeth, and a support member 40 for supporting the tooth models, the crown portion 211, the molars 21 is at least one model of the teeth, the lower cervical portion 213a, 213b from in buccolingual cross section I have root portion 215a extending, and 215b. Support member 40 includes a support base 41 root portion 215a, 215b has an insertion hole 411 of the insertable size, and intermediate member 43 to fill the gap between the insertion hole 411 and the cervical portion 213a.本発明の目的は、下方に広がる歯根部を有する模型歯を支持でき且つ実習訓練の質を向上できる歯科模型用部品及びその部品を備えるキット及び歯科模型を提供することである。模型歯と、この模型歯を支持する支持部材40と、を備える歯科模型において、模型歯の少なくとも一つである臼歯21は、歯冠部211と、頬舌断面において歯頚部213a,213bから下方に広がる歯根部215a,215bとを有する。支持部材40は、歯根部215a,215bが挿入可能な大きさの挿入穴部411を有する支持台41と、歯頚部213aと挿入穴部411との隙間を埋める介在部材43と、を有する。
