Current Policy Statement. Health Net, Inc. considers high intensity focused ultrasound treatment (HIFU), (i.e. Sonablate 500 and Ablatherm HIFU) for prostate cancer investigational because the. long-term safety and efficacy has not been established in controlled clinical trials.
1 However, a retainer is usually included in the overall braces fee, so there is no additional charge for the first set of retainers -- and some orthodontists include one or two replacements in their standard braces package. 2  If not included, replacement retainers can cost $70-$250 for one or $140-$500 or more for a set.
If you don't clean your retainer daily, that plaque will harden and be almost impossible to get off. A new retainer costs, on average, about $250. It's in your best interest to keep it clean and germ free! Here are the products and methods you can use to clean your retainer.