Ever since he burst onto the scene in High School Musical in 2006,Zac Efron has been one of ... pictures is the gap in between the two front teeth, which is called diastema. The gap is creating ...

4. Zac Efron Zac Efron's transformation is nothing short of charming—if that's the right word for it! Missing teeth give him the look of a friendly uncle who's always ready with a warm hug.