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[Topesthesia and the tooth development].

S Mori

    Shoni Shikagaku Zasshi. the Japanese Journal of Pedodontics
    |January 1, 1989
    PubMed
    Summary
    This summary is machine-generated.

    Tooth sensation (topesthesia) accuracy changes with tooth development. Sensation improves with deciduous tooth resorption but declines with permanent tooth root formation, correlating negatively with remaining root surface.

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    Area of Science:

    • Dental Science
    • Neuroscience
    • Developmental Biology

    Context:

    • Understanding tactile sensation (topesthesia) in children is crucial for assessing oral sensory development.
    • Changes in deciduous tooth resorption and permanent tooth root formation significantly impact oral sensory perception.

    Purpose:

    • To evaluate how topesthesia changes in relation to deciduous tooth resorption and permanent tooth root formation.
    • To investigate the correlation between tooth sensation and the remaining root surface area.

    Summary:

    • A study involving 12,315 teeth from 675 children (ages 3.9-17.2) assessed topesthesia using a specialized device and dental X-rays.
    • Findings indicate topesthesia is more accurate in mesial than distal teeth.
    • Topesthesia increased with deciduous tooth resorption and decreased with permanent tooth root development, showing a strong negative correlation with remaining root surface (r = -0.94 upper jaw, -0.89 lower jaw).

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    Impact:

    • Provides insights into the developmental changes of oral sensory perception in children.
    • Highlights the relationship between tooth root development and tactile sensitivity.
    • Offers a basis for understanding potential sensory alterations during dental development.