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Related Experiment Videos

Spaced dentition. An epidemiologic study.

S Steigman, Y Weissberg

    The Angle Orthodontist
    |April 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Spaced dentition is common in adolescents, affecting over half of males and nearly half of females aged 12-18. Incidence decreases with age, with fewer spaces noted in older teenagers.

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    The effects of infraocclusion: Part 3. Dental arch length and the midline.

    American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics·1992

    Area of Science:

    • Dentistry
    • Epidemiology
    • Orthodontics

    Background:

    • Dental spacing, or diastema, is a common finding in the mixed and permanent dentition.
    • Understanding the prevalence and distribution of spaced dentition is crucial for orthodontic diagnosis and treatment planning.

    Purpose of the Study:

    • To determine the incidence and prevalence of spaced dentition in a large cohort of adolescents.
    • To analyze the relationship between spaced dentition, age, and sex.
    • To identify common locations and characteristics of dental spaces.

    Main Methods:

    • Epidemiologic study of 1279 students aged 12-18 years.
    • Inclusion criteria: full permanent teeth (excluding third molars), no etiological factors for arch disruption.
    • Data collected on frequency, prevalence, age/sex distribution, location, and width of dental spaces.

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    Main Results:

    • High incidence of spaced dentition: 51.8% in males, 45.5% in females.
    • Prevalence decreased with increasing age.
    • Significant sexual dimorphism in the 14-16 year group, absent in the 16-18 year group.
    • Spaces common in both arches (49.5%) or maxillary arch alone (34.3%).
    • Most frequent sites: between canines and first premolars, and canines and lateral incisors.

    Conclusions:

    • Spaced dentition is highly prevalent in adolescents, with a tendency to decrease with age.
    • Age-related changes influence the prevalence and sexual dimorphism of dental spacing.
    • Specific interdental areas are most commonly affected by spacing, guiding orthodontic assessment.