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Repair of Oromaxillary Fistula - Surgery Overview

An oromaxillary fistula is an abnormal passageway between one of the sinuses on either side of your nose (maxillary sinuses camera.gif) and the roof of your mouth. It may develop as a birth defect (linked with a cleft palate), as a complication of removing a tooth, or from infection or trauma. Sometimes the roots of a tooth are so close to the bone under a maxillary sinus that the bone is damaged when the tooth is removed. This can open a passage between the mouth and sinus.

Before surgery, you may have an imaging test, such as a computed tomography (CT) scan, to help the doctor plan your surgery.

A surgeon may choose one of several techniques to close the fistula. One of the most common methods is called flap advancement. It involves cutting a U-shaped flap of skin in the side or roof of the mouth (sometimes both) and stretching the flap over the fistula. Sometimes a surgeon will place a piece of medical-grade foil over the opening and then stitch the skin flap over the foil.

You probably will have general anesthesia, which means you will be unconscious during the operation.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: October 14, 2013
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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    Only 18.5% of Americans never floss. You are missing out on a simple way to make a big difference in the health of your mouth. Regardless of how well you brush, plaque still forms between your teeth and along your gums. Floss removes food trapped between the teeth and removes the film of bacteria that forms there before it turns to plaque, which can cause inflamed gums (gingivitis), cavities, and tooth loss. Try flossing just one tooth to get started.

    You are one of 31% of Americans who don't floss daily. You are missing out on a simple way to make a big difference in the health of your mouth. Regardless of how well you brush, plaque still forms between your teeth and along your gums. Toothbrush bristles alone cannot clean effectively between these tight spaces. Flossing removes up to 80% of the film that hardens to plaque, which can cause inflamed gums (gingivitis), cavities, and tooth loss. Aim for 3 more days!

    You are one of 31% of Americans who don't floss daily, but you're well on your way to making a positive impact on your teeth and gums. Regardless of how well you brush, plaque still forms between your teeth and along your gums. Toothbrush bristles alone cannot clean effectively between these tight spaces. Flossing removes up to 80% of the film that hardens to plaque, which can cause inflamed gums (gingivitis), cavities, and tooth loss. Aim for all 7 days!

    Only 50.5% of Americans floss daily, and good for you that you are one of them! Regardless of how well you brush, plaque still forms between your teeth and along your gums. Toothbrush bristles alone cannot clean effectively between these tight spaces. Flossing removes up to 80% of the film that hardens to plaque, which can cause inflamed gums (gingivitis), cavities, and tooth loss. Congratulations on your good oral health habit!

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    American Dental Association, Healthy People 2010

    This tool is intended only for adults 18 and older.

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