The neonatal line is a particular band of incremental growth lines seen in histologic sections of both enamel and dentin of primary teeth. It belongs to a series of a growth lines in tooth enamel known as the Striae of Retzius denoting the prolonged rest period of enamel formation that occurs at the time of birth. The neonatal line is darker and larger than the rest of the striae of retzius. The neonatal line is the demarcation between the enamel formation before birth and after birth i.e., prenatal and postnatal enamel respectively.[1] It is caused by the different physiologic changes at birth and is used to identify enamel formation before and after birth. The position of the neonatal line differs from tooth to tooth [2]
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^Schour, Isaac (1936-10-01). "The Neonatal Line in the Enamel and Dentin of the Human Deciduous Teeth and First Permanent Molar*, *, **From the Department of Histology, College of Dentistry, University of Illinois.*Presented in the form of a discussion and demonstration before the Ninth International Dental Congress of the F.D.I., Vienna, Aug. 3, 1936.*This investigation has been aided by a grant from the Graduate School Research Board of the University of Illinois and from Mead Johnson and Company". The Journal of the American Dental Association. 23 (10): 1946–1955. doi:10.14219/jada.archive.1936.0277. ISSN 1048-6364.
The neonatalline is a particular band of incremental growth lines seen in histologic sections of both enamel and dentin of primary teeth. It belongs...
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Lactation Ernst L, Rucelli ED, Huff DS (2007). Color Atlas of Fetal and Neonatal Histology. Robinson GW (2004). "Identification of signaling pathways in...
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; Fanaroff, Avory A.; Walsh, Michele C. (2014). Fanaroff and Martin's Neonatal-Perinatal Medicine E-Book: Diseases of the Fetus and Infant. Elsevier Health...
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