Zęby wrodzone i noworodkowe – przegląd piśmiennictwa
© Borgis - Nowa Stomatologia 2/2011, s. 63-67
*Krzysztof Owczarek1, Maria Mielnik-Błaszczak2
Summary
Natal and neonatal teeth have been reported since antiquity. Many historical figures were described to have teeth present at birth. The prevalence of this phenomenon ranges from 1:2000 to 1:4000 births. Natal teeth are more frequent than neonatal, there is also a predilection of that feature for female rather than male. Most natal and neonatal teeth are single, situated in the anterior region of the mandible. The etiology of the presence of natal/neonatal teeth is still unknown. It has been related to several factors, such as superficial position of a germ, infections, hormonal stimulation, environmental factors, poisoning, genetic syndromes. The condition may occur with a familial trait. Hereditary transmition of an autosomal dominant gene is also suggested. Most cases are prematurely erupted deciduous teeth, less than 10% are supernumerary. Natal and neonatal teeth may either have normal size and shape of deciduous tooth, or be smaller, with thin, hypoplastic enamel and dentin, with poor or absent root development. The management includes no ingerention if tooth is deciduous and well implanted, or extraction of supernumerary, excessive mobile tooth, which otherwise may be lost and aspirated to respiratory trackts, or may cause ulceration of the lower surface of child’s tongue or mother’s nipple.
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