Dentists have to make patients want adult orthodontics in a way physicians don't have to make patients want a quadruple bypass.
Dentists have an easy time in convincing adults to get orthodontics.
mnli hypothesis: Dentists have an easy time in convincing adults to get orthodontics. premise: Dentists have to make patients want adult orthodontics in a way physicians don't have to make patients want a quadruple bypass.