Liu, Yi
Cheng, Yuxi
Song, Yang
Cai, Daoheng
Zhang, Niankun
Article History
Received: 16 April 2024
Accepted: 15 October 2024
First Online: 25 October 2024
Declarations
:
: All intraoral camera image data collected were from publicly available images on the Internet. Link: . According to the requirements of Article 32 of the national regulation named “Measures for Ethical Review of Life Sciences and Medical Research Involving Humans (2023)” (Link: ) of the National Health Commission, the Ministry of Education, the Ministry of Science and Technology, and the National Administration of Traditional Chinese Medicine, research involving human life sciences and medical research using legally obtained public data, or conducting research by observing data generated without interfering with public behavior, can be exempted from ethical review. Ethical approval for this study was waived.
: Not applicable.
: The authors declare no competing interests.