The Society of Preventive Dentistry of Hong Kong (SPDHK) collaborated with Project Concerns HK, Caritas HK and Health in Action to hold a community service on 17 September 2022 at Caritas Community Centre - Aberdeen targeting underprivileged people. More than 90 residents participated in this service. We provided free dental check-up, OHI and a mobile dental van for gross scaling and emergency extraction.