Pic: Renan Barao's LED mouthguard from Oral B for UFC on FUEL TV 7 walkout

LONDON, ENGLAND, FEBRUARY 16, 2013: Action in and around the octagon during UFC on Fuel TV 7: Barao vs. McDonald inside Wembley Arena in Wembley, London on Saturday, February 16, 2013 COPYRIGHT: Martin McNeil - Photo by Martin McNeil

Renan Barao brightened up his smile -- literally -- for his UFC on FUEL TV 7 walkout.

Holy shit, it's David Lo Pan!

Oh, wait, that's just Ultimate Fighting Championship (UFC) Interim Bantamweight Champion Renan Pegado, who brightened up his entrance to the UFC on FUEL TV 7 main event last weekend at the Wembley Arena in London, England (event results here).

From Creativity Online:

Brazilian agency Africa pulled off a fun stunt to promote Oral B 3D White superior whitening power last weekend ... Renan Barao entered the arena with a dazzling white smile thanks to an LED mouthguard, then promoted the brand via Twitter. Retweets and other social media in Brazil apparently skyrocketed as a result. Some 30 million Brazilians now watch UFC events on TV.

The Brazilian baron had plenty to smile about, too, after submitting top 135-pound number one contender Michael McDonald in the fourth round of their action-packed headliner (watch it here). With any luck, he'll be in line to unify the titles opposite reigning division champion Dominick Cruz just as soon as "The Dominator" returns from kneehab.

Anyone else get Oral this weekend?

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