Photo Illustration by The Daily Beast/Photos Getty

By Julie Appleby and Victoria Knight, Kaiser Health News

Though Anna Rosemond, now 33, had braces when she was young, a couple of years ago she noticed her teeth were again starting to crowd. So when she saw a Groupon deal for SmileDirectClub, she jumped on it.

“I thought, ‘This looks like a really cool way to do braces,’” said Rosemond, who made her own teeth impressions with putty and used a “smile stretcher”—a device that pulls...

Continue Reading DIY Teeth-Straightening Leaves Dentists and Some Consumers Frowning