Abstract: A method of managing teeth performed in a processor-based device includes: displaying a first oral measurement image including tooth measurement images in a tooth shape to measure state information of each of user's teeth; receiving state information of a target teeth of the user measured from a tooth diagnostic device; receiving a selection signal input for selecting a first tooth measurement image from among the tooth measurement images; matching state information of the target tooth with state information of the first tooth measurement image; and representing the state information of the first tooth measurement image in the first oral measurement image.