Periodontist Removed 2mm From Gums, Now There Are Black Triangles Between Teeth, Is This Permanent?

The soft tissues between teeth often disappear after gum surgeries or braces.  While not considered pathology, it can be an aesthetic issue, and Bioclear can help fill in the gaps.  Crowns or veneers can help, but usually this is done if Bioclear proves unsatisfying.....

I think it must be determined what the treatment was for.  Some treatments are to reduce the bone around a tooth which can cause the triangles.  Also, if venerrs aor crowns are to be placed then the triangles can be filled by the porcelain.  I feel first and foremost, it needs to be established what the periodontal procedure was for then a determination can be made as to a good result or not. 

This question depends on a few variables to give you the correct info. Depending on how long ago the surgery was done then it takes time for the tissue to return to normal or final tissue height, this depends on type of surgery and amount of infection or inflammation present. You also need to be aware of the contact point of the 2 teeth in relation to the crestal bone. If the bone crest is 5mm or less from the contact then you will get the papilla back. 6mm or more of height makes the result a bit more unpredictable. So give it time, 6wks to 6 months to get final healing and hopefully things will be back to normal.