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Related Experiment Video

Updated: Jun 4, 2025

Establishing Organoids from Human Tooth as a Powerful Tool Toward Mechanistic Research and Regenerative Therapy
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In vivo bioengineered tooth formation using decellularized tooth bud extracellular matrix scaffolds.

Weibo Zhang1, Pamela C Yelick1

  • 1Department of Orthodontics, Division of Craniofacial and Molecular Genetics, Tufts University School of Dental Medicine, Boston, MA 02111, United States.

Stem Cells Translational Medicine
|December 27, 2024
PubMed
Summary
This summary is machine-generated.

Researchers developed bioengineered tooth buds using decellularized tooth extracellular matrix scaffolds. This preclinical study shows promise for a biological tooth replacement therapy, offering a potential alternative to traditional dental implants.

Keywords:
ECM scaffoldsbioengineereddecellularizedin vivotooth bud

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Dental Research

Background:

  • Dental implants have high success rates but face long-term challenges like bone resorption and peri-implantitis.
  • Current synthetic implants have a limited lifespan of approximately 15 years.
  • Developing biological tooth substitutes could overcome limitations of current dental implants.

Purpose of the Study:

  • To create and validate a bioengineered tooth bud for potential clinical use in humans.
  • To assess the feasibility of using decellularized tooth extracellular matrix (dTB ECM) scaffolds for tooth regeneration.
  • To evaluate the therapeutic potential of bioengineered teeth as an alternative to synthetic implants.

Main Methods:

  • Bioengineered tooth buds were created by seeding dTB ECM scaffolds with specific human and porcine cells.
  • Constructs included human dental pulp cells, porcine dental epithelial cells, and human umbilical vein endothelial cells.
  • The bioengineered tooth buds were implanted into the mandibles of Yucatan minipigs for 2 or 4 months.

Main Results:

  • Tooth-like tissues, including periodontal ligament, formed within the cell-seeded dTB ECM constructs.
  • Successful integration and development of bioengineered tissues were observed in the animal model.
  • The study demonstrated the formation of functional, tooth-supporting structures.

Conclusions:

  • This preclinical study validates a bioengineered tooth bud approach as a clinically relevant therapy.
  • The developed method offers a promising biological alternative to conventional titanium dental implants.
  • Further research may lead to regenerative solutions for tooth loss.