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 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 Is your baby dehydrated? How to tell. Taking charge of your health Man, take care of your health! Live healthier Healthy ears » A middle-ear microphone Deaf and drop-dead gorgeous The gift of hearing The strangest things found in people's ears Doctors have found some very weird things in patients' ears. We look at 7 strange things found in human ears . . . Live allergy free » 10 dog breeds for allergy sufferers Strange allergy cures Managing seasonal allergies Bust those allergies! All you need to know about relieving seasonal allergies.