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Extraction: Advanced Methods00:56

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Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
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Updated: Oct 22, 2025

New Variations for Strategy Set-shifting in the Rat
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A commentary on strategic extraction.

Richard T Kao1,2, Guo-Hao Lin1, Yvonne Kapila1

  • 1Department of Orofacial Sciences, School of Dentistry, University of California, San Francisco, California.

Journal of Periodontology
|August 26, 2021
PubMed
Summary
This summary is machine-generated.

Dental advancements allow saving compromised teeth, reducing the need for strategic extraction. Deferring extraction minimizes risks of peri-implantitis complications, improving patient outcomes.

Keywords:
dental implantsperi-implantitisperiodontal diseaserisk assessment

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Area of Science:

  • Dentistry
  • Oral Surgery
  • Periodontology

Background:

  • Recent innovations enhance the management of compromised teeth.
  • Understanding of risks associated with dental implants has increased.

Purpose of the Study:

  • To reassess the benefits of strategic extraction of compromised teeth.
  • To evaluate risks of peri-implantitis in relation to dental implants.

Main Methods:

  • Systematic review of evidence on compromised tooth management and strategic extraction decision-making.
  • Evaluation of peri-implantitis risks from patient-centric, biologic, and biomechanical perspectives.

Main Results:

  • Clinical innovations enable more predictable maintenance of compromised dentition.
  • Literature confirms significant risks associated with dental implants.

Conclusions:

  • Strategic extraction of compromised teeth should be deferred when possible.
  • Deferral avoids potential complications related to peri-implantitis.