What prompts gum tissue to grow up on the sides of a dental implant healing cap? I had a flapless implant surgery on #19 with a surgical guide 4 months after extraction. I have had no gum or bone grafting and no diagnosis of periodontal disease. Is this new tissue growth up the sides of the healing cap or just the way surgically-impacted tissues heal? It certainly looks like more tissue than I've ever had there and with no cutting in the surgery, I was surprised to see my gums so high up the cap. Is this normal?