Written By: Dr Rania AlRaddadi ..
As a continuation of the discussion we had today, I looked up some papers related to retention and it appears that no solid evidence is available up to date. The reason I believe is ofcourse the lack of well conducted trials and the huge variability in selecting the protocols among orthodontists.
Here is a basic clinical guideline for retention:
The following image is a conclusion from a study that used a questionnaire sent to orthodontists regarding their preferred protocol in terms of appliance choice and duration.