Group 1 - The core idea of the article is to promote oral health awareness and provide free dental services to the community through a public welfare event organized by Nanjing Dental Hospital and local health centers [1][2] - The event featured health lectures and free dental check-ups, aiming to create a positive atmosphere for community engagement in oral health [1] - Experts from Nanjing Dental Hospital conducted educational sessions on oral health management for different age groups, addressing common dental issues such as cavity prevention and periodontal disease [1] Group 2 - The initiative serves as a practical example of resource allocation in healthcare and aims to strengthen communication between medical professionals and patients [2] - Nanjing Dental Hospital plans to continue collaborating with grassroots medical institutions to implement a series of community health outreach activities [2] - The goal is to establish a health management model that emphasizes prevention and integrates treatment [2]