Dental Development: Tooth Formation
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Questions and Answers

At which stage of morphogenesis do the cusps of teeth begin to form?

  • Cap stage
  • Initiation stage
  • Bud stage (correct)
  • Bell stage
  • Which protein is formed by neural crest cell migration?

  • Dental lamina
  • GFP (correct)
  • Collagen
  • SHH
  • Which gene is essential for the survival of neural crest cells and is mutated in Treacher Collins syndrome?

  • Pitx2
  • TCOF1 (correct)
  • Pax9
  • Barx1
  • From which embryonic origin is the epithelium derived?

    <p>Oral epithelium and ectoderm</p> Signup and view all the answers

    Which cells are responsible for producing the bony part of the tooth?

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

    What results from a lack of SHH signaling during early tooth development?

    <p>Arrest of tooth development</p> Signup and view all the answers

    In which stage can the enamel organ be found?

    <p>Bud stage</p> Signup and view all the answers

    Which signals are associated with the dental oral epithelium during early tooth development?

    <p>Pitx2</p> Signup and view all the answers

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