Second Smile Foundation 笑容由齒起 

笑容由齒起有限公司於2017年創辦，是一家慈善機構，致力幫助那些受限於獲得牙科護理的人士提升生活質素。
The Second Smile Foundation Limited, founded in 2017, is a charitable organization dedicated to improving the lives of individuals with limited access to dental care, making a positive impact.