衞生署口腔健康教育事務科製作的宣傳短片，向全港市民推廣護理口腔的訊息。 A promotional video produced by the Oral Health Education Division (OHED) of the Department of Health to disseminate oral care messages to the people in Hong Kong.
source
衞生署口腔健康教育事務科製作的宣傳短片，向全港市民推廣護理口腔的訊息。 A promotional video produced by the Oral Health Education Division (OHED) of the Department of Health to disseminate oral care messages to the people in Hong Kong.
source
