Dentistry

Study reveals how too much fluoride causes defects in tooth enamel

Exposing teeth to excessive fluoride alters calcium signaling, mitochondrial function, and gene expression in the cells forming tooth enamel—a novel explanation for how dental fluorosis, a condition caused by overexposure ...

Medical research

Dental enamel can't regenerate, right? Think again

Dental enamel is tricky stuff. Even though it's the body's hardest material, if it wears away from cavities, acidic food or drinks or overbrushing, it doesn't regenerate.

Dentistry

Teeth hold the key to early diagnosis of eating disorders

Dentists can play a key role in the detection of health conditions including anorexia nervosa, bulimia and Gastro-Oesophageal Reflux Disease (GORD), according to research from King's College London.

Dentistry

Do girls have stronger teeth than boys?

What if you hardly ever consume soft drinks or eat anything acidic, but still have dental erosion on your teeth? Do genes play a role? And does it matter if you are a boy or a girl?

Dentistry

Using an electronic device to detect cavities early

 Imagine if dentists could find clear signs of tooth decay long before dental lesions turn into cavities and without using X-rays. A new device cleared for commercialization this month by the Food and Drug Administration ...

Dentistry

How caries-causing bacteria can survive in dental plaque

Cariogenic bacteria live in biofilm and attack dental enamel by converting sugar and starch into acids that dissolve out calcium from the enamel. This process can cause caries. The dissolution of calcium increases the concentration ...

page 2 from 4