Tooth Development Principles

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Questions and Answers

What is the term for the primitive oral cavity?

  • Dental ectoderm
  • Oral pit
  • Facial process
  • Stomodeum (correct)

At which week of development do the facial processes give rise to the intermaxillary segment?

  • 5th week (correct)
  • 7th week
  • 4th week
  • 6th week

What is the term for the development of the teeth?

  • Periodontal ligament formation
  • Diphyodont
  • Odontogenesis (correct)
  • Tooth morphodifferentiation

What is the derivative of the 1st pharyngeal arch?

<p>Maxillary and mandibular processes (B)</p> Signup and view all the answers

What is the term for the period when the development of the tooth is basically finished?

<p>Developmental period of the tooth (A)</p> Signup and view all the answers

What is the critical period of face origin?

<p>5th week of development (D)</p> Signup and view all the answers

What is the derivative of dental mesenchyme that produces dentin?

<p>Odontoblasts (B)</p> Signup and view all the answers

What is the first stage of tooth development in the dental lamina?

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

What is the structure formed from the remaining mesenchyme that surrounds the outside of the dental cap?

<p>Dental sac (B)</p> Signup and view all the answers

What is the structure responsible for the formation of the root of the tooth?

<p>Hertwig's epithelial root sheath (D)</p> Signup and view all the answers

What is the type of cell that produces the matrix of the periodontal ligament?

<p>Fibroblasts (C)</p> Signup and view all the answers

What is the structure that develops as a thickening of ectodermal oral epithelium surrounding the stomodeum?

<p>Dental lamina (C)</p> Signup and view all the answers

What is the derivative of dental mesenchyme that induces the formation of a cap shape in the tooth bud?

<p>Dental papilla (D)</p> Signup and view all the answers

What is the layer of cells that produces the dentin in tooth development?

<p>Odontoblasts (B)</p> Signup and view all the answers

What is the name of the structure that forms from the remaining dental mesenchyme and ectomesenchyme surrounding the tooth bud?

<p>Dental sac (D)</p> Signup and view all the answers

During tooth development, what is the name of the ectodermal layer that gives rise to the ameloblasts?

<p>Enamel organ (C)</p> Signup and view all the answers

What is the name of the tissue that forms from the interaction between the dental mesenchyme and ectomesenchyme?

<p>Periodontal ligament (A)</p> Signup and view all the answers

What is the name of the layer of cells that produces the cementum?

<p>Cementoblasts (D)</p> Signup and view all the answers

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