This doctor from the UCLA School of Dentistry is also the Chief Executive Officer of The Super Dentists, one of the largest dental clinics in the region that employs over 120 medical practitioners. He says people who find that their teeth are becoming yellow as they grow old should opt for teeth whitening treatments. They should also avoid consuming too much beverages like tea, coffee, red wine or colas, abstain from smoking and chewing tobacco before, during and after such procedures.