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Medical Forum / General / Dentistry / March 2007Orthodontics questions
Is it true that for braces to pull in the protruding front teeth, it must be 'anchored' to somewhere (molars?) in order to exert force to pull the incisors and canines in? Do the molars also move forward as a result, just like a tug of war? Say there's 5mm space on each side, I guess the front row won't be able to move in and take up all that 5mm gap? I read that adult teeth have more 'filaments' in the teeth, will it have any effect on the treatment outcome? Bob > Is it true that for braces to pull in the protruding front teeth, it > must be 'anchored' to somewhere (molars?) in order to exert force to [quoted text clipped - 7 lines] > > Bob You've got the general physics right--in order to exert a force on the incisors, you've got to exert the force against something else, and usually the first molars are used for anchorage. They are more resistant to movement, but if there is a concern that they could move forward some kind of extraoral appliance can be worn to resist this tendency. Steve  SignatureMark & Steven Bornfeld DDS http://www.dentaltwins.com Brooklyn, NY 718-258-5001 Think about trying to push a stalled car up a slight incline. If you have enough helpers, you can push it up the hill, but only if they all have a curb or wall to push against. Enough feet on the ground and you get enough anchorage from all the shoes on concrete. If nothing to brace the feet against, the car pushes the helpers backwards instead. Signature/ Amatus / >> Is it true that for braces to pull in the protruding front teeth, it >> must be 'anchored' to somewhere (molars?) in order to exert force to [quoted text clipped - 15 lines] > > Steve On Mar 15, 2:39 pm, bobby...@hotmail.com wrote: > Is it true that for braces to pull in the protruding front teeth, it > must be 'anchored' to somewhere (molars?) in order to exert force to [quoted text clipped - 7 lines] > > Bob If you want the front teeth to take up the entire 5mm gap, you're going to have to wear some sort of extraoral appliance like a headgear. OR you could use the lower teeth to pull the upper front teeth back with rubber bands or another intraoral appliance, but this will cause the lower teeth to move forward slightly, so if that's not desired, it's not an option. |
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