Lingual Retainer
SS Retainer I:
- Upper 2-2, 14-20mm, 2mm each increase
- Lower 3-3, 22-30mm, 2mm each increase
- Direct bonding, proper hardness
SS Retainer II :
- Upper 3-3, 32-40mm, 2mm each increase
- Lower 3-3, 29-37mm, 2mm each increase
- Direct bonding, proper hardness
SS Retainer III :
- Universal, customize to fit
- Flexible for clinic manipulation
- Direct bonding, proper hardness