Stitches loosening after gum graft from top of my mouth to front tooth. (Photo)

So my tooth in the front on mouth was missing some gum and the doctors covered it up with gum from top of mouth it's been about 30 or so hours since surgery and I was eating a peace of Pork and felt the stitching coming lose it's not off or anything but loser is this something to be worried about or em I going to be ok if it was to come off I want the gums to heal and bond sorry for the bad photo