Abstract: A tooth separation system comprising: a loading unit for loading an intraoral scan data; a display unit for displaying the intraoral scan data loaded by the loading unit, in which the intraoral scan data includes a tooth as well as gums; an input unit for making a tooth border mark onto the tooth shown on the display unit; and a calculation unit for performing necessary calculations to separate the tooth from the gums based on the tooth border mark and the method using the same.

Abstract: Various embodiments of the present invention relate to an apparatus and method for measuring the surface of an electronic device, the apparatus comprising: a seating portion on which the electronic device is seated; a first light source for irradiating first light on the surface of the electronic device; a first camera for photographing the surface using the first light; a second light source for irradiating second light on the surface of the electronic device; a second camera for photographing the surface using the second light; and an analyzer electronically connected to the first light source, the first camera, the second light source, and the second camera, wherein the analyzer is setup to analyze the color of the surface acquired using the first light source and the first camera; and the gloss of the surface acquired using the second light source and the second camera, so as to analyze the color and gloss of the surface of the electronic device using quantified and digitized data, thereby enabling qualit

Abstract: Disclosed is a mouth gag, which comprises: a body placed in a patient's mouth to keep the mouth open and expose teeth; and a plurality of markers arranged on the body to allow for determining tooth size.