GOLDEN BOY: It seems “Twilight” star Robert Pattinson’s dental interests extend beyond his vampiric film role. At a recent photo shoot in Los Angeles, the actor was taken by the Finn jewelry pavé diamond shark’s tooth necklace stylist Deb Watson was sporting. Luckily, she had brought an 18-karat gold version on a leather cord for him to wear. At the day’s end, he was so attached, he asked to buy it. Pattinson is in good company: both Liev Schreiber and Brad Pitt own the same necklace.