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[Natal and postnatal teeth: their enamel]

J I Sommermater1, J Hemmerle

  • 1Service de Pédodontie, Faculté de Chirurgie Dentaire, Université Louis Pasteur, Strasbourg.

Schweizer Monatsschrift Fur Zahnmedizin = Revue Mensuelle Suisse D'Odonto-Stomatologie = Rivista Mensile Svizzera Di Odontologia E Stomatologia
|January 1, 1994
PubMed
Summary
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Scanning electron microscopy revealed enamel anomalies in natal and neonatal teeth. Arrested amelogenesis in natal teeth and reversible disturbances in premature teeth offer insights into tooth development.

Area of Science:

  • Dental Science
  • Developmental Biology
  • Pediatric Dentistry

Background:

  • Natal and neonatal teeth present unique developmental contexts.
  • Understanding enamel formation disturbances is crucial for pediatric oral health.

Observation:

  • Scanning electron microscopy analyzed enamel from a natal tooth and a premature infant's tooth.
  • Natal tooth enamel showed arrested amelogenesis, with an external aprismatic layer and reduced thickness, suggesting a 6th month in utero arrest.
  • Premature tooth enamel exhibited reversible disturbances, lacking the external aprismatic layer and showing rapid, pseudonormal apposition, likely due to maternal factors around 10 weeks prenatal.

Findings:

  • Both natal and neonatal teeth displayed enamel anomalies associated with eruption issues.

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  • Arrested amelogenesis in natal teeth indicates a significant developmental interruption.
  • Reversible enamel disturbances in premature teeth suggest a capacity for recovery under specific conditions.

    • Implications:

    • These findings enhance the study of natal and neonatal teeth.
    • Insights into enamel anomalies can inform neonatology and the management of early dental issues.
    • The study opens new avenues for understanding prenatal and early postnatal developmental influences on tooth enamel.