Can you get laser gingival recountoring done more than once?

I got my gums reshaped as I was very unhappy with them before and got porcelain veneers. I am happy with my veneers; however, after living with my new teeth for a year, I've realized that I am still unhappy with the shape of my gums (slightly uneven, and still a somewhat gummy smile). I am willing to do the entire procedure again, however I wanted to know if gums can be reshaped more than once before proceeding with making an appointment.

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