US Patent 12004921 Scan guide providing method and image processing device therefor

Disclosed are a scan guide providing method and an image processing device therefor. A scan guide providing method according to an embodiment comprises the steps of: displaying, on a scan screen, a guide scan path for providing a scanning strategy of an intraoral scanner; tracking a user scan path actually scanned, along the guide scan path, by the intraoral scanner; and displaying the tracked user scan path together with the guide scan path.