The Top Markets for Dental Implants Right Now Where are the biggest opportunities in implants right now? Firstly, let's look at where the opportunities aren't for full-arch implants right now and that is in the top 40 biggest markets in the U.S. If you don't already know your Nielsen DMA number, it's time to find out WHERE you sit on the DMA list for the country. This is a OBJECTIVE quantifier of local market size from biggest to tiniest. This categorization was developed both to circumscribe and name geographic areas that belong together when targeting advertising and as a ranking system [...]