Documents show a dental lab that made a device that was supposed to help patients with TMJ jaw disorder was never inspected by the FDA before a CBS News and KFF Health News investigation. Numerous patients have said the "anterior growth guidance appliance," or AGGA, damaged their mouths. The device's inventor, dentist Dr. Steve Galella, claimed it could cure TMJ jaw disorder and sleep apnea. The device and its inventor are under criminal investigation. They have denied wrongdoing. Anna Werner reports.

Each weekday morning, "CBS Mornings" co-hosts Gayle King, Tony Dokoupil and Nate Burleson bring you the latest breaking news, smart conversation and in-depth feature reporting. "CBS Mornings" airs weekdays at 7 a.m. on CBS and stream it at 8 a.m. ET on the CBS News app.

Subscribe to "CBS Mornings" on YouTube: https://youtube.com/CBSMornings
Watch CBS News 24/7: https://cbsnews.com/live/
Download the CBS News app: https://cbsnews.com/mobile/
Follow "CBS Mornings" on Instagram: https://instagram.com/cbsmornings/
Like "CBS Mornings" on Facebook: https://facebook.com/CBSMornings
Follow "CBS Mornings" on X: https://twitter.com/CBSMornings
Subscribe to our newsletter: https://cbsnews.com/newsletters/
Try Paramount+ free: https://paramountplus.com/?ftag=PPM-05-10aeh8h

For video licensing inquiries, contact: licensing@veritone.com

#tmj #KFFHealthNewsinvestigation #dentalnews