teeth

Scientists grew human-like teeth in pigs. Could it lead to living tooth replacements?

3:58am February 10, 2025

Tufts University researchers took material from human and pig teeth and were able to grow a tooth-like structure. They hope their findings could lead to growing living tooth replacements for people.

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Surface stains from things like coffee, tea, tobacco and red wine can be lightened with routine brushing, flossing and professional cleaning in the dental office. But deeper stains that come with age and damage to the tooth require bleaching agents or ven

Navigating The 'Aisle Of Confusion' To Whiten Your Teeth

5:21pm August 14, 2017

by Patti Neighmond

The whiter the smile the more attractive the person, research finds. Both men and women say white teeth matter when choosing a mate. This may be why whitening teeth is a $3.2 billion industry.

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The MD Brush toothbrush forces users to hold it at the optimal angle relative to their gums.

Brush Yourself Off And Try Again: An Invention Story

6:53pm August 04, 2017

by Joe Palca

Inventing even the simplest product is a fraught process. Mike Davidson and Mike Smith have learned that lesson the hard way as they seek to change the way teeth get cleaned.

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Hygienist Beth Rowan cleans the teeth of Lindsay Klecker, 31, who has cerebral palsy and a seizure disorder. Rowan works at the Marshfield Clinic in Chippewa Falls, Wis.

Getting Dental Care Can Be A Challenge For People With Disabilities

11:50am October 24, 2016

by Alison Kodjak

People with serious disabilities and their caregivers often struggle to find dentists who have the ability and desire to take care of their teeth. Cost is another issue.

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A box of 3-D models 24-year-old student Amos Dudley made of his teeth. The model labeled "3" rests on a 3-D-printed tray Dudley made to make impressions of his teeth with a putty-like material. Also in the box are a clear plastic aligner and other 3-D mod

Health & Safety

New Jersey Student Uses 3-D Printer For DIY Dental Work

6:45am April 12, 2016

by Jon Kalish

Tired of his crooked teeth, 24-year-old Amos Dudley made a mold of his teeth and fabricated a set of aligners using orthodontics reference books, a 3-D printer and other digital fabrication tools.

I'd rather be sticking needles in my eyes. But that wasn't on the survey.

Are You Flossing Or Just Lying About Flossing? The Dentist Knows

12:37pm June 25, 2015

by Jessie Rack

A survey says one-quarter of adults lie to their dentist about flossing. That number seemed low to us. So we called up some periodontists. And they laughed.