firstname.lastname@example.org or @gmail.com
A couple of years ago, several states passed laws to protect patients from dental appliances made overseas in China, India, Mexico and other countries. 40% of the dental appliances in 2016 went to these countries worth 4 billion dollars. Some had LED Poisoning.
You have the right to ask your dentist for a manufacturing 'proof of Origin'. The state of Florida is one of them. Ask your provider to have it made in the USA.