Core Viewpoint - The public concern over the dental health issues of mathematician Wei Dongyi has led to a surge in promotional activities by dental institutions and influencers on social media, often using misleading information to attract clients [1][3][4]. Group 1: Public Reaction and Marketing Strategies - Wei Dongyi's entry into short video platforms has resulted in his follower count exceeding 20 million, with significant public interest in his dental health issues [3][7]. - Various dental professionals and institutions have taken to social media to discuss periodontal disease prevention and treatment, leveraging Wei's situation for promotional purposes [3][4]. - Some accounts have used homophones to bypass platform regulations while promoting dental products and services, such as desensitizing agents and dental care books [3][4]. Group 2: Misleading Advertisements - Certain advertisements have fabricated claims about Wei Dongyi's dental treatments, suggesting he has made significant improvements, which misleads potential clients [4]. - Promotional posts have included false narratives about Wei's dental condition and have provided misleading information about dental procedures, encouraging users to seek consultations [4][5]. Group 3: Platform Response and Account Management - The platform has stated that users can report any violations, and they will take appropriate actions, including content removal and account suspension [1][4]. - Following the surge in interest, numerous accounts impersonating Wei Dongyi have been reported and subsequently removed, with only one verified account remaining [5][6][7].