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    Topic Overview

    Your child's primary teethcamera.gif usually begin to break through the gums (erupt) at about 6 months of age. This is called teething.

    • Teeth break through the gums in a certain order, typically from the front to the back of the mouth.
      • Lower teeth often appear 1 to 2 months before the corresponding upper teeth.
      • A change in the order in which the teeth come in may indicate a problem, such as an infection or not enough space for the tooth to grow.
    • All of a child's first 20 primary teeth should come in between the ages of 6 months and 3 years.
    • Girls' teeth come in a little earlier than do boys' teeth.

    Your child's first permanent molars emerge from the gum behind the primary teeth at about age 6, at the same time he or she begins to lose front primary teeth.

    • Children lose their 20 primary teeth between the ages of 6 and 11 years.
    • Sometimes a permanent tooth will begin to come in before a child loses the primary tooth. This usually is not a problem unless the primary tooth is not loose. In that case, a dentist will need to remove the primary tooth.
    • A child's front permanent teethcamera.gif may angle away from the center and look crooked. This is normal, and the teeth should straighten out naturally as the other permanent teeth come in.
    • After the permanent teeth have replaced the primary teeth, the child's last molars will come in (four second molars and four wisdom teethcamera.gif). This takes place sometime during ages 12 to 21.
    • Sometimes wisdom teeth do not come in properly and need to be removed.

    Normally, a person will have 32 adult teeth.

    WebMD Medical Reference from Healthwise

    Last Updated: November 14, 2014
    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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    How Do I Measure Up? Get the Facts Fast!

    Number of Days Per Week I Floss

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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!

    SOURCES:

    American Dental Association, Healthy People 2010

    This tool is intended only for adults 18 and older.

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