Home > Lifestyle > How to boast a beautiful smile > News News All sections in Lifestyle » Diet and nutrition » Fitness » Man » Sex » Parenting » Woman » Contraception » Environmental Health » Health and Your Money » Healthy Home » Healthy Workplace » Mental Health » Pet Health » Stop Smoking » Street Drugs » Sun » Teen » Travel Health » Ageing well » Natural Health » Health tech » All lifestyle sections Lasers may help regrow teeth Scientists have found a way to coax dental stem cells to form dentin, the tissue that makes up the largest part of a tooth. Follow us on Twitter » Like us on Facebook » Read Health24 blogs » Ask the Dental expert » load more articles advertisement From our sponsors Advertorial Understanding thrombosis The power of smell and touch Fifty and fabulous! There’s something newly cool about turning 50 Advertorial: Understanding the dangers of blood clots Live healthier Up for grabs! » To vape or not to vape? Twisp's new range of e-cigs Discover your Twisp Win one of the 3 new devices from Twisp! Now you can stand a chance of winning one of the 3 new devices, as well as flavours and accessories worth R2000 each! Love your heart » SA dying of heart disease Natural trans fats good for heart Heart probs and sex life How old is your heart? Take this test What's your heart age? Use the calculator to see the real age of your heart. Post your results in the comments!