A medical device is an instrument, apparatus, implement, machine, contrivance, implant, in vitro reagent, or other similar or related article, including a component part, or accessory which is:1  recognized in the official National Formulary, or the United States Pharmacopoeia, or any supplement to them, medical device is an instrument, apparatus, implement, machine, contrivance, implant, in vitro reagent, or other similar or related article, including a component part, or accessory which is: 1  recognized in the official National Formulary, or the United States Pharmacopoeia, or any supplement to them,
1 On average, a retainer can cost anywhere from $500 to $2,100 for both the top and bottom. 2  For those that have dental insurance, many policies will cover a portion of the procedure depending on what the deductible, co-pay, etc.3  For example, a patient in Houston, Texas had bonded retainers ordered for a total of $1,400. If braces are not needed, an orthodontist can fit a retainer to fix problems such as an overbite. 2  On average, a retainer can cost anywhere from $500 to $2,100 for both the top and bottom.
Cosmetic Dentistry: How much should an invisalign retainer cost? I completed invisalign and I was told the retainer would cost me $575.00 and that I would get 4 sets all at once. I was also told that each set only lasts 9 months.