CT scan of the front of a skate, showing the hard, tooth-like denticles on its skin (shown in orange). Credit: Yara Haridy CT scan of the front of a skate, showing the hard, tooth-like denticles on ...

As of March 2022, this review is no longer being updated. It covers an older business model of Candid and some features mentioned may no longer be available. Candid is an online company that sends you ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. A new app called Adent Health uses your ...

Ancient Egyptians and Etruscans pioneered orthodontics, using delicate gold wires and catgut to straighten teeth. It’s a tale ...

Candid, a teeth aligner startup that aims to make straight teeth more accessible and more affordable than Invisalign, is evolving its direct-to-consumer business. In addition to its at-home impression ...

Digitally dissected lower jaw (mandible) and teeth of the mummified kitten. Reveals fractures and unerupted mandibular first molars (red) indicating it was a kitten at the time of death. Scale: skull ...

It’s easier than ever to get straighter teeth. Orthodontists think that’s a big problem. Where metal braces installed in a doctor’s office were once the only way to correct misaligned teeth, a new ...

It’s easier than ever to get straighter teeth. Orthodontists think that’s a big problem. Where metal braces installed in a doctor’s office were once the only way to correct misaligned teeth, a new ...

SmileDirectClub, which sells teeth aligners online, has worked to limit information about customer dissatisfaction. Credit...Steven Miner for The New York Times Supported by By Erin Griffith and Peter ...

It’s easier than ever to get straighter teeth. Orthodontists think that’s a big problem. Where metal braces installed in a doctor’s office were once the only way to correct misaligned teeth, a new ...