Array device, array method, and manufacturing method of array device

An array system comprising:

• a denture plate having one or more positioning protrusions;
• one or more artificial teeth;
• and
• an array device configured to be attached to the denture plate and the one or more artificial teeth so as to array the one or more artificial teeth on the denture plate, the array device including a body having one or more recesses recessed in conformity with crown shapes of the one or more artificial teeth, respectively, wherein
• the body includes one or more positioning recesses into which the one or more positioning protrusions are respectively insertable, the one or more positioning recesses being configured to position the one or more artificial teeth on the denture plate, and
• wherein each of the one or more positioning recesses is concave and extends, in a height direction of the one or more artificial teeth, from an opening to a closed end surface that is opposite the opening relative to the height direction, and the closed end surface is configured to contact an uppermost surface of a respective one of the one or more positioning protrusions upon the respective insertion of the one or more positioning protrusions into the one or more positioning recesses so as to define a position, with respect to the height direction, of the one or more artificial teeth arranged on the denture plate.