They're made from a similar materials since the obvious aligners. Other retainers can be obtained but are usually made out of much less sturdy elements, which include acrylic. I gave a 25hr detect and I fully grasp there are actually policies indicating a 48hr window for cancellations. That doesn't justification https://simonfeytn.answerblogs.com/28841122/top-latest-five-surrey-invisalign-dentist-urban-news