Ask three clinics how long braces take and you may hear three numbers. The honest range for comprehensive treatment is wide, roughly 18 to 30 months, because duration is a function of your case, not the clinic’s marketing. Seoul Top Dental Hospital in Seocho breaks down what actually sets the number and which factors you control.
What sets the baseline
Three inputs dominate: how far teeth must move (severe crowding and extraction-space closure take longer than mild alignment), the biology of your bone (adult bone remodels slower than teenage bone), and the correction type (bite changes like deep overbite or open bite add months beyond simple alignment). A partial front-teeth correction can finish in 6 to 12 months precisely because it skips the bite work.
What patients control
Missed adjustment visits add weeks each time; broken brackets add more. For aligner patients, wear time is the whole game, and under 20 hours a day reliably stalls progress. Oral hygiene matters too: gum inflammation slows safe tooth movement. Patients who keep appointments, protect appliances and follow elastics instructions routinely finish near the early end of their predicted range.
What honest clinics promise, and what they don’t
A trustworthy estimate comes after diagnosis, as a range tied to a treatment plan, with the factors that could extend it named up front. Be cautious of guaranteed short timelines before anyone has measured your bite: finishing fast with a wrong bite is not a bargain. Digital monitoring and well-planned mechanics genuinely trim months; miracles do not.
Seoul Top Dental Hospital provides a predicted range with your diagnosis and tracks progress against it at each visit, including coordinated scheduling for patients flying in. Ask for your personal range, not the average.