Hi I am 26 year old n I have to ask one question that in my right side part of a teeth I have done root canal treatment n can I know that I have to put a cap on the teeth which root canal is done so how much money I will have to spend for the cap n which cap is best for my teeth n another problem is that in my right side I was removed the upper last teeth over a 2 years ago n how much money would it take for fixing a new one teeth in my mouth n also tell me the quality of a teeth will it remain over long years or not so sir please answer my question so that I will do my treatment as soon as possible I am waiting for your answer .bye.