Can an Umbilicoplasty Make my Bellybutton Smoother, Deeper, and More Natural Looking? (photo)

You can improve the appearance of the umbilicus with umbilicoplasty but it will give you a scar around the rim of the umbilicus. Based on your concern, fat transfer may be a better option to correct the indentation just above the umbilicus. I would wait until at least 6 months from your original surgery. 

Best Wishes,

   The dent above the belly button can be improved with fat grafting to the area. This may be performed in about 15 minutes.  Good luck.

The issue is that you will need an incision and you cannot garantee you wil like the way you heal that incision. Fat grafting is an alternative. I would wait before making a decision to have surgery. Best Wishes.

The indentation can be improved with fat grafting. 

As far as the navel itself, an umbilicoplasty can remove some of the excess skin, but there will be a scar, and I am nor sure that this would be an improvement. Look at a lot of standard tummy tuck post op photos in your surgeons office to get an idea of an average navel scar after TT, and then decide whether or not you want to proceed.

Thank you for your question, best wishes. 

You did have some improvement following your umbilical float procedure.  You do not have much of a fat layer and further revisions are likely to make things worse.