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Why is my Orthodontist Using the Nance Appliance for my Upper Jaw?
asked 1 year ago by txgirl83 in Houston, TX
Latest answer by R. William McNeill, DDS, MS
Question viewed 458 times
Tags: jaw, bicuspid, curved, molars, open bite, options, spacing, treatment
My 4 1st bicuspid already removed for the braces, and i'm currently wearing for it, but why would my orthodontist using upper nance holding arch for my upper jaw, and the lower jaw just the band on the molar? This is what he said from the study model: class 1 malocclusion, the curve of Spee is excessive, and an open bite exist anterior of the first molars. Please i need help, the spaces still open it's been 6 mths. Should i tell him to stop the treatments or continues?
3 answers to Why is my Orthodontist Using the Nance Appliance for my Upper Jaw?
+1
WHY A NANCE HOLDING ARCH?
While it is difficult from your description to know for certain, my guess is that your orthodontist's analysis shows that the best outcome will be achieved if the upper back teeth do not move forward. The Nance holding arch is designed to ensure that such undesired tooth movement does not happen. If you are only six months in to treatment that involves extraction of four teeth, it is too early to make a judgement about outcome. Full space closure can take a year, or in some cases longer,...
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R. William McNeill, DDS, MS
Mercer Island Orthodontist
Mercer Island Orthodontist
+1
A Nance Appliance is a form of anchorage
A concept that is critical to successful orthodontics is to be able to anchor some teeth in place while being able to move others. In other words anchorage helps control undesirable side effects. The Nance is a great appliance for holding upper molars in their place. Other forms of anchorage include headgears, elastics, and mini-screw implants. Although a Nance can be very helpful in extraction cases, I have found that in some cases, as the space closes, it gets in...
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+1
Reason for Nance holding arch
You mention that you have had four bicuspids extracted and that there are spaces remaining. I assume that the spaces are being closed or are soon to be closed. The process of closing the spaces can take up to a year in some cases. The purpose of the Nance is to "anchor" the upper molars so that they do not slip forward as the space closes. This may be necessary to allow the development of an ideal bite. You should definitely discuss your concerns with your...
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