LOOK: Why does it appear that Tiger Woods is missing a tooth?

Tiger Woods is in Italy supporting his girlfriend, and it appears as if he forgot at least one of his teeth.

Tiger Woods is looking...interesting. (USATSI)

Since Tiger Woods fired up Air Force Tiger to travel to Italy to watch his girlfriend Lindsey Vonn set a record for all-time wins, photos have emerged on Twitter of Woods with what appears to be a missing tooth.

Here's another angle:

Skull mask making more sense now. Wear something ridiculous to take away attention from a missing tooth. pic.twitter.com/ncd0SiTfUj

— Chris Chaney (@Wrong_Fairway) January 19, 2015

There are all sort of theories (most of them involving his ex-wife), but Stina Sternberg put forth the best explanation:

@NoLayingUp @teamrainey @USATODAYsports It's the discolored one that's missing. Maybe he's getting it fixed in the off-season?

— Stina Sternberg (@StinaSternberg) January 19, 2015

The thing to me that's odd -- other than him wearing a skull mask -- is that the rest of Woods' teeth look scraggly and messed up.

But now we're breaking down Tiger's dental habits, and we need to stop.

For more golf news, rumors and analysis, follow @KylePorterCBS on Twitter and link up with CBS Sports Golf on Facebook and Google+.