How much would it cost for 4 teeh put in?

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Alright, so basically i have had braces on for 2 years now and their are gaps, some small and some big. Once the small gaps have closed there will be 4 spaces big enough for teeth. But first after the braces are off, i will have a plate put in with 4 teeth in them, so my gums and mouth can get used to having the teeth their. So my dad has paid for the braces and plate that has yet to come. So once the Plate is complete, the next part of the procdure is adding the teeth, i will be around 19 when this happens and i want to pay for it myself. So how much am i looking for four teeth?