Title:
TOOTH AGE CALCULATION DEVICE AND TOOTH AGE CALCULATION PROGRAM
Document Type and Number:
Japanese Patent JP2023056737
Kind Code:
A
Abstract:
To provide a tooth age calculation device and a tooth age calculation program which can automatically calculate the age of a tooth.SOLUTION: A tooth age calculation device 2 includes: an acquisition unit 21 for acquiring a panoramic x-ray image of a tooth germ of a child; a detection unit 22 for specifying a type of the tooth germ from the panoramic x-ray image and detecting the tooth germ by using a first learning model obtained by causing a first artificial intelligence to learn the relation between ROI (Region of Interest) and the type of the tooth germ in advance; a determination unit 23 for determining a growth stage of each tooth germ detected by the detection unit by using a second learning model obtained by causing a second artificial intelligence to learn the relation between a shape and the growth stage of the tooth germ; a storage unit 24 for storing the reference value of each growth stage of the tooth germ in advance; and a calculation unit 25 for calculating the age of the tooth germ of the child by using the result of the determination by the determination unit and the reference value.SELECTED DRAWING: Figure 2
Inventors:
NAKANO KAZUHIKO
KOKOMOTO KAZUMA
OKAWA RENA
KUREMOTO KATSUAKI
HIMURA KEISUKE
MATSUZAKI TAKAYOSHI
KOKOMOTO KAZUMA
OKAWA RENA
KUREMOTO KATSUAKI
HIMURA KEISUKE
MATSUZAKI TAKAYOSHI
Application Number:
JP2021166122A
Publication Date:
April 20, 2023
Filing Date:
October 08, 2021
Export Citation:
Assignee:
ASAHI ROENTGEN IND
UNIV OSAKA
UNIV OSAKA
International Classes:
G16H50/20
Attorney, Agent or Firm:
Patent Attorney Corporation Sano Patent Office