Jove
Visualize
Contact Us

Related Experiment Videos

The root surface in human teeth: a microradiographic study.

P D Owens

    Journal of Anatomy
    |November 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    The development and fate of the dental lamina of the mandibular first molar tooth in the rat.

    Journal of anatomy·1991
    Same author

    Reinnervation of developing rat molars.

    Journal of anatomy·1991
    Same author

    Chick frontonasal process excision significantly affects mid-facial development.

    Anatomy and embryology·1991
    Same author

    Dental histology in familial expansile osteolysis.

    Journal of oral pathology & medicine : official publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology·1990
    Same author

    Intramembranous osteogenesis and angiogenesis in the chick embryo.

    Journal of anatomy·1989
    Same author

    Idiopathic external resorption of teeth.

    Journal of oral pathology·1988
    JoVE
    x logofacebook logolinkedin logoyoutube logo
    ABOUT JoVE
    OverviewLeadershipBlogJoVE Help Center
    AUTHORS
    Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
    LIBRARIANS
    TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
    RESEARCH
    JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
    EDUCATION
    JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
    Terms & Conditions of Use
    Privacy Policy
    Policies

    This study clarifies the human cemento-dentinal junction, revealing dentin-origin surface layers during tooth development. Cementum formation initiates apically and progresses coronally, challenging previous theories.

    Area of Science:

    • Dentistry
    • Histology
    • Developmental Biology

    Background:

    • The human cemento-dentinal junction's nature requires clarification.
    • Understanding developmental layers is crucial for interpreting mature tooth structures.

    Purpose of the Study:

    • To elucidate the histological nature of the human cemento-dentinal junction.
    • To compare incompletely and fully formed teeth to understand cementum development.

    Main Methods:

    • Histological examination of ground sections from human teeth at various developmental stages.
    • Microradiographic analysis to compare with histological findings.

    Main Results:

    • Incompletely formed teeth exhibit unique surface layers of dentinal origin outside the granular layer of Tomes.

    Related Experiment Videos

  • The granular layer of Tomes is not the outermost limit of root dentine.
  • Cementum formation starts apically and moves towards the crown.

    • Conclusions:

    • The identified surface layers support the existence of the hyaline layer of Hopewell-Smith and intermediate cementum.
    • Cementum development proceeds apically to coronally, contrary to prior assumptions.