Hey OP I did some digging into this. The doctor who spoke in the news segment that covered your event says something along the lines of a golden ticket for a lucky few get partial front teeth. https://wreg.com/greater-memphis-on-a-mission/greater-memphis-on-a-mission-mid-south-mission-of-mercy/?fbclid=IwdGRjcAQH4zRleHRuA2FlbQIxMQBzcnRjBmFwcF9pZAo2NjI4NTY4Mzc5AAEeQUJIg5ajaSCZscj8Qn5QOlUXUfOBGuNueufV_LxaSkyzC0TLg17sAQ3y8RU_aem_Ad2OQXyhDzSpMsaFlem1UA