Revealed: Leading plastic surgeon Dr Anthony Youn has revealed whether Efron has had any work done after he looked noticeably different in a recent video (pictured) 'Everyone is talking about Zac Efron and how strange he looks. Has he had surgery to reshape his jawline, Botox or fillers?' Dr Youn began. 'I don't think so. I actually think he has had dental surgery, not plastic surgery. 'That's why he is swollen [along his jaw]. If you've had your wisdom teeth taken out, did you look like this?' It comes after Zac found himself trending on Twitter last week after he sparked surgery rumours b...