You did that kid one of the best things to ever happen in his life....and the benefits will just keep coming. Bless you for the expenditure of goodwill and scarce capital. Kindness comes in many different wrappers.
I had two rows when I was younger, 34 teeth down to 22 after 3 sessions with the dentist lool. Wasn't that bad considering, only babies. We call him Chief Kief now