Root Morphology of Human Dentition
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Questions and Answers

What is the primary function of the pulp in terms of dentine?

  • Sensory impulses transmission
  • Formation of enamel
  • Initiation of inflammatory response
  • Nutrition and maintenance of health (correct)

    • What is the primary reason for the differences in findings in literature?

  • Crown height and root length of primary teeth
  • Research techniques used and populations involved (correct)
  • Elasticity of bone in primary and permanent teeth
  • Morphological varieties of roots in molars

    • What is the anatomical boundary between the crown and the root of a tooth?

  • Cemento-enamel junction (correct)
  • Dentino-enamel junction
  • Apical region of the enamel organ
  • Pulpal-dentinal junction

    • What is the characteristic of roots of primary incisors and canines compared to corresponding permanent teeth?

    <p>They are longer in proportion to their crown height</p> Signup and view all the answers

    What structure guides the formation of tooth roots?

    <p>HERS (bilayer epithelial structure)</p> Signup and view all the answers

    What is the function of the pulp in terms of defense?

    <p>Triggering inflammatory and immune response</p> Signup and view all the answers

    What is the term for the additional disto-lingual root on lower molars?

    <p>Radix Entemolaris</p> Signup and view all the answers

    What is the characteristic of roots of primary molars compared to their crown height?

    <p>They are more widely divergent and extend beyond the crown dimensions</p> Signup and view all the answers

    What is the result of the interaction between the mesenchyme of the apical papilla and the inner layer of the HERS?

    <p>Differentiation into odontoblasts</p> Signup and view all the answers

    What is the morphological phenomenon of an additional root on the mesio-palatal side of upper molars?

    <p>Radix Mesiolingualis</p> Signup and view all the answers

    What is the name of the editor of the book 'Essential clinical oral biology'?

    <p>S. Creanor</p> Signup and view all the answers

    In which year was the 9th edition of 'Pathways of the pulp' published?

    <p>2006</p> Signup and view all the answers

    What is the name of the journal in which the article 'The radix entomolaris and paramolaris: a micro–computed tomographic study of 3-rooted mandibular first molars' was published?

    <p>Journal of Endodontics</p> Signup and view all the answers

    Who are the authors of the article 'Primary human teeth and their root canal systems'?

    <p>Cleghorn BM, Boorberg, NB, Christie WH</p> Signup and view all the answers

    What is the title of the book in which the anatomy, physiology, and occlusion of teeth are discussed?

    <p>Wheeler's Dental Anatomy, Physiology, &amp; Occlusion</p> Signup and view all the answers

    What is the term for the removal of infected or inflamed tissues inside the tooth with specialized equipment and irrigation solutions?

    <p>Endodontics</p> Signup and view all the answers

    What is characterized by an enlarged body of the tooth, but small roots, with apically displayed root bifurcations or trifurcations?

    <p>Taurodontism</p> Signup and view all the answers

    What is the term for the removal of teeth from the existing dentition?

    <p>Exodontia</p> Signup and view all the answers

    What is the name of the additional root on the disto-palatal side of upper molars?

    <p>Radix Distolingualis</p> Signup and view all the answers

    What is characterized by roots that are bent or angulated?

    <p>Dilacerated roots</p> Signup and view all the answers

    What is the characteristic of taurodontism?

    <p>An enlarged body of the tooth, but small roots</p> Signup and view all the answers

    What is the significance of understanding the morphology of roots in dentistry?

    <p>It is crucial for diagnosis and treatment planning, considering their function and clinical relevance</p> Signup and view all the answers

    What is the term for the removal of infected or inflamed tissues inside the tooth?

    <p>Endodontics</p> Signup and view all the answers

    What is the primary function of the HERS in root formation?

    <p>To determine the size, shape and number of tooth roots</p> Signup and view all the answers

    What is characterized by an additional root on the disto-palatal side of upper molars?

    <p>Radix Distolingualis</p> Signup and view all the answers

    What is the term for the removal of teeth from the existing dentition?

    <p>Exodontia</p> Signup and view all the answers

    What is the result of the interaction between the mesenchyme of the apical papilla and the inner layer of the HERS?

    <p>Differentiation of odontoblasts with secretion of radicular dentine</p> Signup and view all the answers

    What is the characteristic of root formation following crown formation?

    <p>The apical region of the enamel organ elongates and gives rise to the HERS</p> Signup and view all the answers

    What is the primary function of the pulp in terms of dentine repair?

    <p>Initiation and governance of dentine repair</p> Signup and view all the answers

    What is the term for the bilayer epithelial structure involved in root formation?

    <p>HERS</p> Signup and view all the answers

    What is a characteristic of roots of primary teeth compared to permanent teeth?

    <p>They are shorter and more delicate</p> Signup and view all the answers

    What is the term for the additional root on the mesio-buccal side of lower molars?

    <p>Radix Paramolaris</p> Signup and view all the answers

    What is a characteristic of the roots of primary molars?

    <p>They are widely divergent and extend beyond the dimensions of the crown</p> Signup and view all the answers

    What is the name of the editor of the book 'Essential clinical oral biology'?

    <p>Creanor S</p> Signup and view all the answers

    What is the term for the additional root on the disto-lingual side of lower molars?

    <p>Radix Entomolaris</p> Signup and view all the answers

    What is the title of the article that studied the canal isthmuses in the mesial root of mandibular first molars in a Chinese population?

    <p>A microcomputed tomographic study of canal isthmuses in the mesial root of mandibular first molars</p> Signup and view all the answers

    What is a characteristic of the roots of primary incisors and canines?

    <p>They are longer in proportion to their crown height</p> Signup and view all the answers

    What is the title of the book that discusses the anatomy, physiology, and occlusion of teeth?

    <p>Wheeler’s Dental Anatomy, Physiology, &amp; Occlusion</p> Signup and view all the answers

    Which journal published the article 'The radix entomolaris and paramolaris: a micro–computed tomographic study of 3-rooted mandibular first molars'?

    <p>Journal of Endodontics</p> Signup and view all the answers

    What is the title of the article that discusses the cellular and molecular mechanisms of tooth root development?

    <p>Cellular and molecular mechanisms of tooth root development</p> Signup and view all the answers

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