Will wearing zigzag elastics for a month help fix my overjet? (photos)

I've had braces for 18 months and will be getting them off in a month. When I see my teeth from the front they look perfect and straight but when I look from the side they look like they are sticking out kinda like overjet. I currently wear class II elastics which I think are creating my overjet. I am very soon going to be put in zigzag elastics for the last month of my braces. Do you think wearing the zigzags for a month with help with my teeth sticking out, if not what do I do?

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