Britney Spears always had great teeth !

Britney Spears has had her teeth whitened, it has been claimed.The singer, who visited celebrity dentist Dr. Bill Dorfman for the second time yesterday had the Zoom whitening procedure,reports 'Access Hollywood'. However, gossip website TMZ claim Britney returned to Dorfman's office at Century City Medical Plaza yesterday because she is still experiencing pain in one of her molars.The 25-year-old was admitted to hospital on Sunday evening after complaining of toothache. She was treated by Dorfman and left the hospital about an hour later. Britney's manager Larry Rudolph confirmed her latest trip to the hospital was tooth-related. Meanwhile, Britney's family are concerned about her fascination with tattoos.The 'Toxic' singer has had a number of new etchings since leaving rehab last week, and her mother Lynne is begging her to stop. A source revealed: "Britney is using tattoos as a form of self-expression. She has had at least two new ones in the last few weeks and wants more."Her mother managed to dissuade her from having angel wings on her back but she fears she will soon do something she might regret later."