Dentin

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Questions and Answers

Which of the following is true about dentin?

  • Dentin is characterized by enamel tubules
  • Dentin is the soft connective tissue that occupies the pulp cavity
  • Dentin forms the bulk of the tooth (correct)
  • Dentin is aligned against a layer of predentin

What are dentinal tubules?

  • The cell bodies of the odontoblasts
  • The peripheral boundary of the dental pulp
  • The soft connective tissue that occupies the pulp cavity
  • The cytoplasmic extensions of odontoblasts (correct)

Where is the pulp chamber located?

  • In the radicular portion of the tooth
  • In the enamel of the tooth
  • In the coronal portion of the tooth (correct)
  • In the apical foramen of the tooth

What is the function of the apical foramen?

<p>To allow nerves and vessels to enter and leave the tooth (D)</p> Signup and view all the answers

What is the main function of the dental pulp?

<p>To allow nerves and vessels to enter and leave the tooth (A)</p> Signup and view all the answers

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Study Notes

Dentin Structure

  • Dentin is a calcified tissue that makes up most of the tooth structure
  • It is composed of dentinal tubules, which are tiny tubes that transmit sensation to the pulp

Dental Pulp

  • The pulp chamber is a hollow space within the center of the tooth that contains the dental pulp
  • The main function of the dental pulp is to produce dentin and provide sensation to the tooth
  • The apical foramen is a small opening at the apex of the tooth root that allows nerves and blood vessels to enter the pulp chamber
  • The function of the apical foramen is to provide a pathway for nerves and blood vessels to enter the tooth

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