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Related Experiment Videos

Interim storage of avulsed permanent teeth

M L Layug1, E J Barrett, D J Kenny

  • 1Hospital for Sick Children, Toronto, Ont.

Journal (Canadian Dental Association)
|July 2, 1998
PubMed
Summary

Proper storage of avulsed teeth is crucial for periodontal ligament (PL) healing. Milk packed in ice is the most practical temporary storage medium for delayed replantation, preserving PL cell vitality.

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Area of Science:

  • Dental Traumatology
  • Cell Biology
  • Biomaterials Science

Background:

  • Tooth avulsion requires prompt replantation to preserve periodontal ligament (PL) cell viability.
  • Delayed replantation poses significant risks to PL cells due to desiccation.
  • The efficacy of various storage media and the
  • reconstitution theory
  • for PL cells require critical evaluation.

Purpose of the Study:

  • To review the impact of extra-alveolar duration and storage conditions on periodontal ligament (PL) healing after tooth avulsion.
  • To critically assess the
  • reconstitution theory
  • of PL cells.

Main Methods:

  • Literature review of studies on avulsed teeth, extra-alveolar duration, and storage media.
  • Analysis of the effects of different storage solutions on PL cell survival and healing.
  • Evaluation of evidence supporting the
  • reconstitution theory
  • for PL cells.

Main Results:

  • Immediate replantation (<5 minutes) is ideal, but delayed replantation is common.
  • Desiccation is the primary threat to PL cell vitality.
  • Isotonic storage media, including milk, saline, and HBSS, are superior to dry storage.
  • Milk packed in ice is a practical and effective temporary storage medium due to availability and minimal harm to PL cells.
  • No evidence supports the
  • reconstitution theory
  • for PL cells after >30 minutes of dry storage.

Conclusions:

  • Optimal storage conditions are vital for successful periodontal ligament (PL) healing in avulsed teeth.
  • Milk packed in ice offers a practical and effective solution for temporary storage of avulsed teeth.
  • The
  • reconstitution theory
  • for PL cells lacks scientific support for prolonged extra-alveolar times.

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