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Studying Orthodontic Tooth Movement in Mice
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Enamel gloss changes induced by orthodontic bonding.

Iosif Sifakakis1, Spiros Zinelis2, George Eliades2

  • 1a Department of Orthodontics, School of Dentistry , National and Kapodistrian University of Athens , Athens , Greece.

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|November 6, 2018
PubMed
Summary
This summary is machine-generated.

Orthodontic bracket bonding significantly alters tooth enamel gloss. Light-cured composites cause greater enamel gloss changes than resin-reinforced glass ionomer cements after debonding and adhesive removal.

Keywords:
Glosscarbide burdebondingglass-ionomer cementlight-cured composite

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Area of Science:

  • Biomaterials Science
  • Dental Materials
  • Orthodontics

Background:

  • Orthodontic treatment involves bracket bonding, which can affect the esthetic properties of tooth enamel.
  • Understanding the impact of different bonding materials on enamel surface characteristics is crucial for patient satisfaction.

Purpose of the Study:

  • To evaluate and compare the changes in enamel gloss after orthodontic bracket bonding and debonding using two distinct adhesive systems.

Main Methods:

  • Laboratory study utilizing twenty extracted human premolars.
  • Gloss measurements (G%60) were taken before and after bracket bonding and debonding.
  • Specimens were bonded with either a light-cured composite or resin-reinforced glass ionomer cement, followed by adhesive removal.

Main Results:

  • A statistically significant difference in enamel gloss changes was observed between the two groups.
  • Teeth bonded with light-cured composite showed significantly greater enamel gloss alterations compared to those bonded with resin-reinforced glass ionomer cement (p=0.02).

Conclusions:

  • Both light-cured composite and resin-reinforced glass ionomer cement bonding protocols, followed by adhesive removal, induce changes in enamel gloss.
  • The choice of bonding material influences the extent of enamel gloss alteration, with composites leading to more pronounced changes.