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After braces are removed, most patients will need to wear a retainer all the time for the first six months, then only during sleep for many years.our orthodontist will want to see you about every month or so in order to make sure the braces are exerting steady pressure on the teeth. To create more tension and pressure on your teeth, the orthodontist will make adjustments in the wires, springs, or rubber bands of the braces.
Typically, you can estimate how long you need to wear a retainer based on however long your teeth were in braces, according to National Dental Centre Singapore. This does not mean you have to wear them all day; you can typically wear the retainer only at night three to six months after your braces come off.Digital Vision./Digital Vision/Getty Images. Depends On Your Condition. How long you need to wear a retainer varies by case, according to Kids Health.Some people may need a retainer for a year to three years to keep teeth from shifting or to close a gap. You may even need a retainer for the rest of your life if you have certain conditions, like teeth grinding.ow long you need to wear a retainer varies by case, according to Kids Health. Some people may need a retainer for a year to three years to keep teeth from shifting or to close a gap.