With ease cheap it is, to acquire the purpose of this invention and, attach and be able to utilize same as the nail and the hair etc which it waits in beauty care feeling, furthermore, to offer the Yutaka cheek piece which can be made fit to your own buccal cavity front yard by yourself it is. According to this invention, as it possesses pliability rubber elastic automorphic characteristic at normal temperature, not becoming deformed at human body temperature, when heating it designates the plastic whose free formation is possible as the material, the top and bottom size which is lower than height of the gum in length and the buccal cavity front yard which reach to the right large molar position from the left large molar position of the person (width) it has, at the same time, in the position part where the gum and the cheek mucous membrane oppose in the buccal cavity front yard and the position part where the gum and the lip mucous membrane of front tooth place oppose the brattice being able to point to the part of that on cheek mucous membrane side and lip mucous membrane side, front and back size (thickness)As it enlarges, the position part where the gum and the lip mucous membrane of canine place oppose makes front and back size small, making unevenness and the contour continue furthermore, as a whole with gentle curved line, the Yutaka cheek piece which designates that it forms as feature is offered.
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