retainer
custom-made devices, usually made of wires or clear plastic, that hold teeth in position after surgery or any method of realigning teeth.
en-GB/ɹɪˈteɪnə/
en-US/ɹɪˈteɪnɚ/
custom-made devices, usually made of wires or clear plastic, that hold teeth in position after surgery or any method of realigning teeth.