going to be times when they must be tightened. each tightening may not be ideal, but it will indicate that you are a step closer to having perfectly straight teeth. it is going to be done every 6 – 8 weeks and this will require a visit to the orthodontist, so these meetings will have to be scheduled into your budget. they will only take about 15 minutes each, but, are a very important part of the process. it could be that it is just the elastics that will have to be replaced, but on a couple of the visits, the wires are going to have to be replaced as 