Braces after active treatment: how long should they be worn?

Hello, I was in active orthodontic treatment for about nine years. It's been about two and a half years now. I only have an annual check-up. How long do I have to wear this clear brace at night? At the last check-up, they said every other night was enough. Back then, during active treatment, my…

Do the teeth shift despite a fixed retainer?

hey I've had Invisalign treatment for three months now because I had quite a few gaps between my teeth. The therapy also improved the shape of my face. It's now beautifully narrow (the lower half of my face/jaw area). Before, it was very pronounced and wide. The three-month Invisalign treatment improved this beautifully, just the…

Is ultrasonic cleaner safe for dental aligners?

Hello everyone, I have a plastic aligner that's become quite yellow over time, and I just can't get it clean. I've now found an ultrasonic cleaner, but I'm worried it will ruin the plastic. Does anyone have any knowledge or experience with this? Here is the link to the cleaner (picture below): https://amzn.eu/d/a2vgUG0 Thank you…