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.
Fees and charges that are not expenses of your trade or business or of producing income, such as fees for driver's licenses, car inspections, parking, or charges for water bills (see Taxes and Fees You Cannot Deduct).