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Induction of Periodontitis via a Combination of Ligature and Lipopolysaccharide Injection in a Rat Model
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Gingival Retraction Methods: A Systematic Review.

Sadia Tabassum1, Samira Adnan1, Farhan Raza Khan1

  • 1Aga Khan University and Hospital, Karachi, Pakistan.

Journal of Prosthodontics : Official Journal of the American College of Prosthodontists
|July 29, 2016
PubMed
Summary

This systematic review found that chemomechanical methods were most common for gingival retraction, but no single technique significantly improved retraction or affected clinical parameters like gingival index or plaque index.

Keywords:
Gingivaclinical studies/trialspatient outcomesperiodontal indexperiodontiumprosthodontics

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Area of Science:

  • Dental procedures
  • Periodontology
  • Restorative dentistry

Background:

  • Gingival retraction is crucial for impression accuracy in restorative dentistry.
  • Various techniques exist, but their comparative efficacy and impact on periodontal health are not fully elucidated.

Purpose of the Study:

  • To systematically review and compare gingival retraction methods.
  • To assess the amount of gingival retraction achieved.
  • To evaluate changes in clinical parameters: gingival index (GI), plaque index (PI), probing depth (PD), and attachment loss (AL).

Main Methods:

  • Systematic review of PubMed, CINAHL plus, and Cochrane databases, plus hand search.
  • Inclusion of clinical trials and experimental studies on human permanent teeth.
  • Search terms included 'gingival retraction' and 'displacement method/technique/agents/material/medicament' variations.

Main Results:

  • Ten studies involving 400 teeth were included.
  • Chemomechanical methods were most frequently used for gingival retraction.
  • Results for gingival retraction amount were heterogeneous; no method showed significant superiority.

Conclusions:

  • No single gingival retraction method demonstrated significant superiority in achieving retraction.
  • Clinical parameters (GI, PI, PD, AL) were not significantly affected by the retraction methods employed.
  • Further research may be needed to identify optimal techniques for specific clinical scenarios.