You are usually advised by your orthodontist to wear your retainers all the time for the first 2-3 months following the completion of your active treatment. If this is the case, wear your retainers all day and all night wherever you are.
license fee - a fee paid to the government for the privilege of being licensed to do something (as selling liquor or practicing medicine) license tax, licensing fee. medical specialty, medicine - the branches of medical science that deal with nonsurgical techniques.
Definition of fee. 1  1a (1) : an estate in land held in feudal law from a lord on condition of homage and service (2) : a piece of land so heldb : an inherited or heritable estate in land. 2  2a : a fixed chargeb : a sum paid or charged for a service.