| 释义 |
lip bumper lip bumperIn orthodontics, a removable appliance to push the lower molars posteriorly to create additional space for the lower anterior teeth. It consists of an archwire that attaches posteriorly to the lower mandible and anteriorly to a plastic mold. The plastic sits just behind the lips and in front of the lower incisors. It forces the molars back when the jaw moves. |