-
A permanent retainer, also called a fixed retainer, is a thin wire that’s bonded to the back of your front teeth—usually on the lower jaw, sometimes on the top too..
Read more: https://www.articleted.com/article/1024937/341639/Pros-and-Cons-of-Permanent-Retainers-and-What-They-Cost#retainers #permanentretainer #invisibleretainer #fixedretainer #retainerbraces #retainerteeth #retainerslondon

