UFC 202 was a bad night for Glover Teixeira’s title hopes – and possibly his dental work.

In Saturday’s pay-per-view co-headliner at T-Mobile Arena in Las Vegas, Anthony Johnson (22-5 MMA, 13-5 UFC) took just 13 seconds to drop and daze fellow light-heavyweight contender Teixeira (25-5 MMA, 8-3 UFC).

During replays of “Rumble’s” fight-altering uppercut, a white speck could be seen shooting straight up toward the rafters. When the video was slowed down, fans the began to speculate it actually appears to be one of Teixeira’s teeth that went airborne.

Check it out in slow-mo (via Twitter):

Heading into UFC 202, Teixeira (25-5 MMA, 8-3 UFC), a fan favorite who remained respectful and friendly with Johnson throughout fight week, was No. 5 in the USA TODAY Sports/MMAjunkie MMA light-heavyweight rankings and riding a three-fight winning streak. However, his hopes for another title shot – he lost his first one in 2014 against then-champ Jon Jones – suffered a setback thanks to Johnson’s tooth-rattlin’ punch.

For more on UFC 202, check out the UFC Events section of the site.