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Regeneration is the process of restoring injured or lost tissues, organs, or body parts. While simpler organisms generally show greater ability to regenerate their whole body, few complex animals show similarly exceptional regeneration. For example, planarian flatworms have a unique regenerative potential making them a popular study organism among biologists to understand the mechanisms of whole body regeneration. Other organisms, such as hydra, also show extreme regeneration potential;...
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The liver is an important organ in vertebrates that plays an essential role in metabolism. It is also responsible for storing and redistributing nutrients such as carbohydrates, fats, and vitamins in the body. Additionally, the liver releases bile salts which are critical for digesting food and eliminating toxic metabolites from the body.
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Infection01:20

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When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
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Stem Cell Therapy for Tissue Regeneration01:21

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Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
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In the CNS, neurogenesis, the birth of new neurons from stem cells, is limited to the hippocampus in adults. In other regions of the brain and spinal cord, neurogenesis is almost non-existent due to inhibitory influences from neuroglia, especially oligodendrocytes, and the absence of growth-stimulating cues. The myelin produced by oligodendrocytes in the CNS inhibits neuronal regeneration. Furthermore, astrocytes proliferate rapidly after neuronal damage, forming scar tissue that physically...
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Updated: Feb 13, 2026

Author Spotlight: Advancing Tissue Regeneration and Disease Modeling with Dental Pulp Stem Cells
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Infection and Pulp Regeneration.

Sahng G Kim1

  • 1Division of Endodontics, Columbia University College of Dental Medicine, 630 W. 168th St. PH7Stem #128, New York, NY 10032, USA. sgk2114@columbia.edu.

Dentistry Journal
|March 23, 2018
PubMed
Summary
This summary is machine-generated.

Regenerative endodontic treatment aims to restore the pulp-dentin complex. Current disinfection methods may hinder regeneration, necessitating advanced techniques for better outcomes in infected root canals.

Keywords:
biofilmdentinal tubuledisinfectionimmune responseinfectionpulp regenerationregenerative endodonticsthe pulp-dentin complex

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Area of Science:

  • Dentistry
  • Regenerative Medicine
  • Microbiology

Background:

  • Regenerative endodontic treatment seeks to restore the pulp-dentin complex.
  • Prior infection influences tissue regeneration outcomes in root canals.
  • Current disinfection protocols rely on chemical irrigation, potentially limiting regenerative success.

Purpose of the Study:

  • To discuss the importance of root canal disinfection in pulp-dentin complex regeneration.
  • To highlight limitations of current regenerative endodontic disinfection protocols.
  • To explore advanced disinfection techniques for chronic infections.

Main Methods:

  • Literature review on regenerative endodontics and disinfection protocols.
  • Analysis of microbiological challenges in root canal disinfection.
  • Discussion of advanced disinfection techniques and their potential.

Main Results:

  • Ectopic tissue formation observed in infected canals versus pulp-dentin regeneration in non-infected canals.
  • Current chemical disinfection may not achieve a sufficiently clean root canal microenvironment.
  • Advanced techniques show promise in reducing microorganisms and biofilms.

Conclusions:

  • Effective root canal disinfection is crucial for successful pulp-dentin regeneration.
  • Limitations exist in current disinfection protocols for regenerative endodontics.
  • Advanced disinfection strategies are needed to improve regenerative outcomes in infected teeth.