Casezy idea/Shutterstock 28 mars 2024 Curious Kids: what did people use before toothpaste was invented? Arosha Weerakoon, The University of Queensland People once used tooth powders made from crushed bone or shells to whiten their teeth. Others rinsed their mouth out with pee. Yuck!
Getty Images 2 octobre 2023 Brush your teeth! Bad oral hygiene linked to cancer, heart attacks and renal failure Glenda Mary Davison, Cape Peninsula University of Technology et Yvonne Prince, Cape Peninsula University of Technology Oral hygiene is often neglected but research has shown that abnormal bacterial communities in the mouth can cause serious disease.
20 years ago, who could predict how much more researchers would know today about the human past – let alone what they could learn from a thimble of dirt, a scrape of dental plaque, or satellites in space. Manuel Domínguez-Rodrigo 23 décembre 2019 Archaeological discoveries are happening faster than ever before, helping refine the human story Elizabeth Sawchuk, Stony Brook University (The State University of New York) et Mary Prendergast, Saint Louis University – Madrid 20 years ago, who could predict how much more researchers would know today about the human past – let alone what they could learn from a thimble of dirt, a scrape of dental plaque, or satellites in space.