Invisalign and Black Triangles?

I am currently halfway through my invisalign process. I had IPR done in four different spots on my top teeth approximately 8 weeks ago. The gap between my front two teeth started to close but now I have a very visible black triangle. My front two teeth appear to meet at the bottom but there is a triangular gap on top. What caused the black triangle to appear and is there a chance that this black triangle will disappear? If not how can it be fixed?

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3 Doctor Answers | Asked by Tina5 in chicago, Il

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Black triangle during invisalign

Black triangles are the space between the teeth at the gumline. Sometimes, the gum papillae will fill in those spaces after a few months. In other cases, you might need some bonding procedures to add "enamel" to the teeth in that area. These triangles are a common result after orthodontics and there is not much that can be done to correct this issue

Dealing with Black Triangle Disease.

Black triangle disease is as a result of two processes, one is the recession of gum tissue that occurs over time and as a result of gum disease. The other cause is gum tissue never having formed properly as is the case with crowded teeth or overlapping teeth. Dentistry has struggled for years to restore the gums, to hide the black triangles. If the gum was never there, it wont grow but the space can be minimized but doing a little more reduction and squeezing the teeth... more