Orthodontic retainers are used after tooth braces to avoid any shifting. Orthodontists advise wearing a retainer for a year after braces are removed, and each is custom-made to fit the patient's mouth. No one knows who came up with the idea of squeezing oranges to make orange juice, but oday, many people start their day with a glass of OJ. Take a look at the journey from tree to breakfast! #ScienceChannel #HowItsMade About How It's Made: Explore the fascinating world of how everyday items are manufactured and produced. Subscribe to Science Channel: null About Science Channel: Learn about outer space, leading scientific exploration, new technology, earth science basics, & more with science videos & news from Science Channel. Find us on social: Facebook: https://www.facebook.com/ScienceChannel/ Twitter: https://twitter.com/sciencechannel Instagram: https://instagram.com/sciencechannel TikTok: https://tiktok.com/@sciencechannel