In the UK you can invest £20,000 (25,000 USD) per year into a fully tax free ISA savings account. You can spend it on anything you chose at any time, and you will never need to spend any of it on healthcare against your will. www.gov.uk/…/how-isas-work

Dental care is free in the UK for under 18s, people who are pregnant or low income people. nhs.uk/…/who-is-entitled-to-free-nhs-dental-treat…