Hong Kong social worker Mark Cheung Kai-yuen is working to make dental care more accessible for cancer survivors, people with disabilities and children with special needs who often struggle to find suitable clinics. Through Smile Again, the social enterprise he co-founded with dentist Dr Ho Kwun-yin, Cheung has adapted both the facility and the way care is delivered, with wheelchair-friendly facilities, longer consultations and tailored communication approaches. Cheung is a finalist for the...