Do permanent retainers last forever?

Related questions

1. How often should a retainer be cleaned?
2. Can I leave my dentures in Efferdent overnight?
3. What is V clean?
4. Do you clean your retainer every day?
5. How long will new dentures hurt?
6. How do I get plaque off my retainer?
7. What is in V clean spot?
8. What is effervescent spray cleaner made of?
9. Do I need to wear a retainer forever?
10. What happens if I don't wear my dentures?

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24. #retainer
25. #design