Why haven't my stitches fully dissolved 3 months after a closed rhinoplasty? Is this normal? Surgery was in Miami, I'm in Denver

Most stitches used to close the incisions in the nose are the type that dissolves within 6 weeks.  But, that is only the part actually under the skin.  The knot and long tags are on the outside and do not dissolve.  What many people see for longer periods is that outside portion actually tied or stuck to nasal hair!  Trimming with a nose scissor will do the trick.  Hard to comment on the hole you see.  I cannot be certain without an exam, but call your plastic surgeon - he'll be able to tell you what to do.