Tooth - Abnormal Shape
Alternate Names : Abnormal Tooth Shape, Conical Teeth, Hutchinson Incisors, Mulberry Teeth, Peg Teeth
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Tooth Anatomy
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The structure of the tooth includes dentin, pulp and other tissues, blood vessels and nerves imbedded in the bony jaw. Above the gum line, the tooth is protected by the hard enamel covering.
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Development of Baby Teeth
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Both baby teeth (deciduous or milk teeth) and permanent teeth have fairly well-defined times of eruption. The ages listed are the normal ages that a baby tooth emerges. | UPPER | ERUPTS BY | | LOWER | ERUPTS BY | | Central incisor | 8-10 Mo | | Central incisor | 6-9 Mo | | Lateral incisor | 8-10 Mo | | Lateral incisor | 15-21 Mo | | Canine (Cuspid) | 16-20 Mo | | Canine (Cuspid) | 15-21 Mo | | First molar | 15-21 Mo | | First molar | 15-21 Mo | | Second molar | 20-24 Mo | | Second molar | 20-24 Mo |
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Development of Permanent Teeth
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Both baby and permanent teeth have fairly well-defined times of eruption. The ages listed are the typical ages that an adult tooth has fully emerged. | UPPER and LOWER | ERUPTS BY | | Central incisor | 7th Yr | | Lateral incisor | 8th Yr | | Canine (Cuspid) | 11-12th Yr | | First premolar (Bicuspid) | 9th Yr | | Second premolar(Bicuspid) | 10th Yr | | First molar | 6th Yr | | Second molar | 12-13th Yr | | Third molar | 17-25th Yr |
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