PROBLEM TO BE SOLVED: To provide a method for easily manufacturing tooth crown data of patients defective part and the tooth crown form fitting in with adjacent teeth even without skilled technique, and which is digital date capable of being used with CADCAM.SOLUTION: A living matter is characterized that respective sites in the same solid body are constantly affected by each other and often make an integrated form. Therefore, a solid body having a similar tooth crown form is chosen from a database 3 and the form of the defect site can be restored by choosing a tooth crown form 6 in the site same to the defect site.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT