![shutterstock_155175200](https://www.nationalelfservice.net/cms/wp-content/uploads/2015/06/shutterstock_155175200-150x150.jpg)
This review focused on lingual orthodontic retention including 27 studies (9 RCTs; 6 prospective and 12 retrospective studies). However, the quality of evidence was low, providing little evidence for the best treatment protocols.
[read the full story...]