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.
1 You can occasionally use a toothbrush to clean your retainer with baking soda to neutralize odors. 2  Note that baking soda is abrasive and regular use can damage your retainer. 3  Retainers usually cost 100 to 300 dollars. 4  You may use a soft toothbrush and a small amount of non-abrasive toothpaste to clean most retainers. Clean your retainer thoroughly at least once a day to keep it fresh and free from bacteria and tartar buildup. 2  Always rinse your retainer after you remove it. 3  Dry saliva will cause a buildup of tartar on your retainer. 4  Remove your retainer and rinse it in warm water before you sit down to eat.