Dental Orthodontic Quad Helix Jaw Expander Cross Bite Treatment 1pcs
USD 23.90 USD
Specifications
| Country Of Origin | Germany |
| Brand | ORT |
| MPN | DT-728-101-01 |
| Model | Quad Helix Expander |
| Hard | Spring |
| Diameter | Ø 0.90 mm |
Because the upper jaw (maxilla) is actually in two separate pieces with an open suture down the middle, the expander will push the two halves of the jaw away from each other. The quad-helix expander is a fixed expander with four circles in it.