See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. "Enamel is the hardest tissue in the body, but unlike bone or skin, it ...

The next major innovation in dental care just might be a new ingredient added to our toothpaste and mouthwash from an unlikely source: sheep’s wool or human hair. Both contain the fibrous protein ...

Researchers have created a bioinspired gel that can regenerate tooth enamel by mimicking natural growth processes. The fluoride-free material forms a mineral-rich layer that restores enamel’s strength ...

Scientists in the UK have found keratin, a protein in hair, can rebuild enamel and repair early tooth decay. The discovery could lead to keratin-based toothpaste or dental gels within two to three ...

From bad breath to eroding enamel, a leading cosmetic dentist has warned that popular weight‑loss jabs could be quietly wreaking havoc on people’s smiles. Receding gums, yellowing teeth, sensitivity, ...