epicanthoplasty surgery method + eye smile after surgery!!

I'm looking into double-hand surgery because I really want to do epicanthoplasty at the same time.
 I've been looking for two surgical methods for
 
epicanthoplasty. 1. The method of making an incision
 and tying it to the periosteum . 2. The method of just making an incision.
 
But for epicanthoplasty, especially posterior epicanthoplasty, and tying it to the periosteum, I can't help but smile. There are quite a few reviews that say it doesn't work well,
 and in the video I found of the plastic surgery director, tying it up is an old-fashioned method? You say it this way.
 Is tying things a bit old-fashioned?
 
I'm a Seungjun student, so I'm thinking about getting a lateral epicanthoplasty because I think it would be too awkward not to smile.
 I'll ask for reviews from people who have had a lateral epicanthoplasty or epicanthoplasty,,