Developmental Anomalies of Teeth
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Questions and Answers

What is the etiology of Dentitia Tarda?

  • Early loss of deciduous teeth
  • Cretinism (correct)
  • Hereditary
  • Over-secretion of thyroid and thymus glands
  • What is the result of early loss of deciduous teeth?

  • Impaction of permanent teeth (correct)
  • Delayed eruption of permanent teeth
  • Malposition of permanent teeth
  • Premature eruption of permanent teeth
  • What is the term for the failure of one or more permanent teeth to develop?

  • Anodontia (correct)
  • Hypergonadism
  • Cleidocranial dysostosis
  • Ankylosis
  • What is the term for the persistence of entire or groups of deciduous dentition?

    <p>Persistence of deciduous teeth</p> Signup and view all the answers

    What is the etiology of premature eruption of deciduous teeth?

    <p>Over-secretion of thyroid and thymus glands</p> Signup and view all the answers

    What is the term for a tooth whose eruption is prevented by adjacent teeth or bone?

    <p>Impacted tooth</p> Signup and view all the answers

    What is the classification of impacted maxillary cuspid where the impaction occurs in the alveolar process?

    <p>Class IV</p> Signup and view all the answers

    Which of the following anomalies in shape and form results in a single large tooth?

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

    What is the term for an anomalous tubercle or cusp in the center of the occlusal surface of a premolar?

    <p>Talon's cusp</p> Signup and view all the answers

    What is the term for the characteristic notch-shaped deformity of the teeth seen in congenital syphilis?

    <p>Notched incisor</p> Signup and view all the answers

    What is the term for supernumerary roots, which are most common in mandibular canines, premolars, and molars?

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

    What is the term for the condition where one or more teeth are missing?

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

    What is the most common tooth to be missing in the permanent dentition?

    <p>Third molar</p> Signup and view all the answers

    What is the term for the development of extra teeth beyond the normal number?

    <p>Supernumerary teeth</p> Signup and view all the answers

    What is the term for the development of teeth that are smaller than normal?

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

    What is the complication that can arise from supernumerary teeth?

    <p>All of the above</p> Signup and view all the answers

    What is the etiology of supernumerary teeth?

    <p>All of the above</p> Signup and view all the answers

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