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Growth and Development Your baby's teeth begin to form in utero. At the time of birth, all the primary tooth buds have formed, as well as , the permanent central incisors and first permanent molars. Eruption of the primary teeth usually begins around the age of 6 months, for both boys and girls. The first tooth to erupt is most commonly the lower primary central incisor. Each child develops according to their own timetable and varies from individual. Though the second primary molars are sometimes referred to as 2year molars, they often don't erupt until 3 years of age. Often children will not start getting their baby teeth until they are 9-10 months old. By 15 months of age the majority of children have teeth in their mouths. There are no known cases of anodontia, where children are missing all of their teeth. There are a total of 20 baby, primary, or deciduous teeth. All 20 of these teeth are lost and replaced by permanent teeth. The first permanent teeth to erupt are either the lower central incisors or the first permanent molars. These permanent molars come in behind the second primary molars, no teeth are lost to allow these permanent molars to erupt. The eruption of the permanent dentition begins between 51/2-6 years of age for girls, and between 6-61/2 years of age for boys. Unlike primary tooth eruption, where there is no gender difference in age of eruption, girls start getting their permanent teeth about 6 months ahead of boys. Again, these are only guidelines and vary by individual. I have 41/2 year old boys in the practice that have lost baby teeth naturally, and 81/2 year old girls who haven't lost a tooth. Your child is an individual, whose growth and development is unique. Your pediatric dentist can answer any questions you may have regarding your child's oral and dental growth and development. |
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Stuart
D. Blumenthal D.D.S., P.A. Website
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