The best replacement for retainer is braces.

The best alternatives to retainer are rated as following:
★★★★★  braces
★★★★  deposit
★★★★  invisalign
★★★  contingency
★★  night guard
★  removable retainer
★  permanent retainer
★  retainers
★  mouthguard
★  flat fee
★  wire
★  hourly rate
★  removable
★  essix retainer
★  permanent wire
  contingency fee
  hawley retainer
  plastic retainer
  essix
  expander
  hawley
  metal retainer
  retainage
  non retainer
  retainer

Your alternative for retainer is not listed? Suggest!
Speaking about retainer, one probably shouldn't forget about tooth.

Other search terms related to retainer and their ratings are:
★★★★★ tooth
★★★★ braces
★★★★ teeth
★★★ false teeth
★★ fake teeth
denture
You have in mind a companion for retainer and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of retainer in all years. Click on graph for more.
retainer
braces
deposit