The present invention relates to a tooth carving practice system using a mobile device, which displays a virtual wax model on a mobile device, allows a learner to carry out a virtual carving practice on the virtual wax model according to carving steps by each tooth by using a touch pen and to compare and evaluate the virtual tooth wax model, that is, the result of the virtual practice, with a practice set tooth. In addition, the tooth carving practice system allows the learner to carry out an actual carving practice according to the carving steps by each tooth through the actual wax model, allows the learner to photograph the actual tooth wax model, that is, the result of the actual practice, through the mobile device, and allows the mobile device to compare and evaluate the actual tooth wax model, that is, the photographed actual practice result, with the practice set tooth. Furthermore, the tooth carving practice system displays a virtual wax model image on a display unit of the mobile device of the learner. A calculation processing unit of the mobile device of the learner receives a movement signal of the touch pen in the virtual wax model image from the display unit of the mobile device of the learner, and recognizes the movement signal of the touch pen as a carving signal by a carving knife in order to virtually carve the virtual wax model in the shape of the practice set tooth and display a virtual tooth wax model image.
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