Dermapen for Indentation After Nd:yag Laser?

3 months ago I was burnt by an Nd:yag laser, was left with blisters - now have two indentations by the sides of my nose (right above the nose wings, where the nose meets the cheek). The scars look like small boxcar scars/chickenpox scars (it looks as if the borders are slightly raised). I've had 2 subcisions and had filler (Stylage) put in 1 month ago. It appears as if the filler makes the borders look even more raised. My derm has suggested dermapen treatment to even the surface - is this a good idea?

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