A sketch of a tooth will be effective training to remember the shape of the tooth and become able to tooth .
First phase of this application starts from the place where a sketch is traced.
A second-stage is sketched with the picture put in the side, not to trace a sketch as an example.
The 3rd stage sees the picture opposite, turns over and sketches.
iPad judges at the respective stages, and a score sticks by comparison with an example, and a message according to the score is also indicated.