COPY: Mandibular Permanent Incisors Eruption
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Questions and Answers

What is the most common affected type of dentition by ankylosis?

  • Mixed dentition
  • Permanent dentition
  • Primary dentition
  • Deciduous dentition (correct)
  • How does tapping an ankylosed tooth differ from tapping a normal tooth?

  • Ankylosed tooth produces a solid sound (correct)
  • Ankylosed tooth produces a hollow sound
  • Ankylosed tooth produces a cushioned sound
  • Ankylosed tooth produces a clicking sound
  • What is the typical mobility status of an ankylosed tooth?

  • Intermittent mobility
  • Normal mobility
  • High mobility
  • No mobility (correct)
  • How is ankylosis diagnosed radiographically?

    <p>Discontinuous periodontal membrane</p> Signup and view all the answers

    What is the typical prognosis of deciduous tooth ankylosis?

    <p>Favorable prognosis</p> Signup and view all the answers

    What is the difference between natal teeth and neonatal teeth in terms of timing of eruption?

    <p>Natal teeth are present at birth, while neonatal teeth erupt during the first 30 days of life.</p> Signup and view all the answers

    What is the prevailing theory regarding the etiology of premature eruption of natal and neonatal teeth?

    <p>The superficial position of the tooth germ associated with a hereditary factor is the most accepted possibility.</p> Signup and view all the answers

    What is the most common type of natal and neonatal teeth in terms of dentition affected?

    <p>85% of natal and neonatal teeth are mandibular primary incisors.</p> Signup and view all the answers

    How are natal and neonatal teeth clinically classified based on their characteristics?

    <p>Clinically, these teeth are classified into mature, when fully developed in shape, with a relatively good prognosis, and immature, when their structure and development are incomplete, implying a poorer prognosis.</p> Signup and view all the answers

    Why is correct diagnosis of natal and neonatal teeth important for the maintenance of normal dentition?

    <p>Premature loss of a primary tooth may cause a loss of space and collapse of the developing mandibular arch, leading to malocclusion in permanent dentition.</p> Signup and view all the answers

    What is the most appropriate initial consideration before deciding on the treatment of a supernumerary tooth in a newborn?

    <p>Assessing the risk of hemorrhage due to hypo-prothrombinemia</p> Signup and view all the answers

    What is the main reason for considering the maintenance of an erupted tooth in a newborn as the first treatment option?

    <p>To ensure the stability of the tooth</p> Signup and view all the answers

    What condition can occur if a natal or neonatal tooth rubs the ventral surface of the tongue during feeding?

    <p>Riga-Fede disease</p> Signup and view all the answers

    What is the preferred approach if conservative treatment fails to correct Riga-Fede disease caused by a natal or neonatal tooth?

    <p>Extraction of the affected tooth</p> Signup and view all the answers

    After extracting a tooth causing Riga-Fede disease, what post-extraction procedure is indicated to prevent further complications?

    <p>Careful curettage of socket to remove odontogenic cellular remnants</p> Signup and view all the answers

    Delayed tooth eruption can be caused by failure of the follicle of an erupting tooth to unite with the mucosa.

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

    Gingival enlargement resulting from various causes might cause an impediment to tooth eruption.

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

    Mucosal barrier has no impact on the eruption of teeth

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

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