Keep it dry, wash with toothbrush and toothpaste
Keep in box while not in used
Do not squeeze hard when clean or pull hard when remove
Retainer might break after a certain period of time depend on usage
Always keep the final model of accuracy check future
If break of missing, please call for appt for new sets of retainer.
Congratulation to Ms Yap , thank you for sharing with us
Dr Sharon Lee 