Baby teeth are supposed to fall out, but if you or your child are still wondering when do baby teeth fall out, talk with a dentist. In some strange cases, some of the permanent teeth may be missing, which may make a baby tooth stick around longer since there isn't an adult tooth there to loosen it.
http://www.colgate.com/en/us/oc/oral-health/life-stages/childrens-oral-care/article/when-do-baby-teeth-fall-out-0113
The complete set of primary teeth is in the mouth from the age of 2 ½ to 3 years of age to 6 to 7 years of age. Other primary tooth eruption facts: 1  A general rule of thumb is that for every 6 months of life, approximately 4 teeth will erupt.  Girls generally precede boys in tooth eruption.
http://www.webmd.com/oral-health/guide/dental-health-your-childs-teeth
Well, it may surprise you to learn, adult teeth don’t ‘die’, which means they don’t fall out from natural causes (unless you call falling head-first off your bike or being punched in the face a natural cause!) Disease or trauma are the main culprits for adult teeth dying.
http://www.periodontal.co.uk/age-adults-start-losing-teeth/
Most kids lose their first tooth in the years between kindergarten and first grade at the average age of six to seven years old. Don't worry if your child hits his eighth birthday before he loses his first tooth. What's more important is the order in which the teeth fall out and are replaced with permanent teeth. You might notice that your child loses his teeth in roughly the same order they came in. For example, most children lose their bottom center teeth first, which are likely the first ones that erupted when he was a baby.
http://www.colgate.com/en/us/oc/oral-health/life-stages/childrens-oral-care/article/when-do-baby-teeth-fall-out-0113
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http://www.webmd.com/parenting/baby/primary-baby-teeth-eruption-sequence
Most people assume losing teeth is a natural consequence of the aging process. Not so. All too often, just like most things in life, if you lose your teeth and end up with false teeth, you’re probably the cause. Baby teeth fall out on their own to be replaced with adult permanent teeth. However, adult teeth don’t fall out from natural causes. So that’s the good (and the bad) news. You don’t have to lose your teeth, but if you do, don’t blame nature, in most cases the cause can be found a little closer to home.
http://www.periodontal.co.uk/age-adults-start-losing-teeth/
The complete set of primary teeth is in the mouth from the age of 2 ½ to 3 years of age to 6 to 7 years of age. Other primary tooth eruption facts: A general rule of thumb is that for every 6 months of life, approximately 4 teeth will erupt.
http://www.webmd.com/oral-health/guide/dental-health-your-childs-teeth
So age is really does not a determining factor as to when we start to lose our teeth. Like so many things, lifestyle, diet and good health practices, in this case good oral health practices, are far more important in keeping teeth healthy and determining what age our teeth will start to fall out.
http://www.periodontal.co.uk/age-adults-start-losing-teeth/
CHILDREN’S ORAL CARE. Take good care of your child's baby teeth. They do eventually fall out but until they do, baby teeth play an important role in helping your child bite and chew food, and speak clearly. Many of the same treatment and evaluation options that adults have are also available to kids.
http://www.colgate.com/en/us/oc/oral-health/life-stages/childrens-oral-care/article/when-do-baby-teeth-fall-out-0113
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http://www.webmd.com/parenting/baby/primary-baby-teeth-eruption-sequence
age when teeth fall out
The teeth usually fall out at the age of six to seven years. The teeth fall out between six and seven years.