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.
The clear plastic ones look nicer, but will tend to wear out faster, and will need replaced periodically. You should bring these appliances with you to your regular dental checkups. This type of retainer is generally worn full time for at least 6 months and during the night for up to several years thereafter.A fixed wire bonded at the back of your front teeth: The fixed retainer is generally kept in place for at least 5 years, but we recommend lifelong wear.Removable retainers should be taken out during eating, high contact sports and when you brush your teeth. To clean the retainers, remove them first and brush them in tap water using a toothbrush and some toothpaste. fixed wire bonded at the back of your front teeth: The fixed retainer is generally kept in place for at least 5 years, but we recommend lifelong wear. Removable retainers should be taken out during eating, high contact sports and when you brush your teeth.