Absolutely: I now routinely use the viera retainer system by invisalign. Patients live them because they are invisible, comfortable and easily remade without impressions because they are stored as a computer file!
Answered 4/14/2014
5.4k views
Materials and...: Since they were 1st created the materials and how they are constructed has changed. There are a lot more choices in colors and types of materials used.
Answered 3/21/2015
5.4k views
Various ways: Removable orthodontic retainers were once made of vulcanized rubber, then acrylics and plastics. The designs have continued to evolve as well. Fixed or "permanent" retainers have also changed from those fabricated on orthodontic bands to small wires bonded on the backs of teeth. What hasn't changed? The need for retention after orthodontic treatments.
Answered 2/23/2013
5.3k views
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