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A 18-year-old male asked:

Im about to undergo braces with elastics to fix underbite (18yo) - im told it will take 2-3 years- what determines how fast teeth move and when ends.

3 doctor answers6 doctors weighed in
Dr. Cornelia Franz
Specializes in Pediatrics
Your body: Your body's response does...Some people may improve a little faster than others. Good nutrition and a positive attitude also help a great deal!
Dr. Arnold Malerman
Orthodontics 53 years experience
Add to this excellent hygiene and absolute compliance with instructions.
Jan 29, 2014
Dr. Hilary Baskin
Orthodontics 28 years experience
Lots of things: 1) genetics-- some peoples teeth move faster 2) compliance-- if you wear the rubber bands as frequently as instructed 3) amount of movement required
Dr. Arnold Malerman
Orthodontics 53 years experience
Growth & cooperation: Teeth move through bone faster in growing children than in non-growing adults. If your underbite is primarily Dental, Orthodontic Rx will be effective. If strong skeletal component, jaw surgery may also be needed. The better you follow instructions, the more you cooperate, the faster your treatment will progress. Your Orthodontic Specialist is trained to know the appropriate end point.

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Last updated Nov 20, 2014

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