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Natal and neonatal teeth: a clinical study.

G A Kates, H L Needleman, L B Holmes

    Journal of the American Dental Association (1939)
    |September 1, 1984
    PubMed
    Summary
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    Natal and neonatal teeth are rare, occurring in about 1 in 716 infants. Most are normal primary incisors, but some show enamel dysplasia. Removal is advised only if teeth are extremely mobile.

    Area of Science:

    • Pediatric Dentistry
    • Oral Health
    • Neonatal Care

    Background:

    • Natal and neonatal teeth are present at birth or erupt within the first month of life.
    • Their prevalence and characteristics vary across populations.
    • Management decisions require understanding their nature and potential complications.

    Purpose of the Study:

    • To determine the prevalence of natal and neonatal teeth in infants.
    • To characterize the morphology and developmental status of these teeth.
    • To provide evidence-based recommendations for their management.

    Main Methods:

    • A survey of 18,155 infants, with personal examination of 7,155.
    • Prospective examination of 38 infants and children with 61 natal/neonatal teeth.

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  • Clinical assessment of tooth type, mobility, and presence of enamel dysplasia.

    • Main Results:

    • Prevalence: 1 in 716 (examined), 1 in 3,667 (surveyed).
    • All examined teeth were mandibular central incisors.
    • 95% were normal primary incisors; 5% were supernumerary.
    • Enamel dysplasia observed in 31%, correlating with gingival coverage duration.

    Conclusions:

    • Natal and neonatal teeth are uncommon and typically normal primary incisors.
    • Enamel dysplasia is present in a significant minority.
    • Conservative management is recommended; extraction is reserved for extremely mobile teeth.