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Related Experiment Videos

Bonded retainers--clinical reliability.

D Segner1, B Heinrici

  • 1DSegner@compuserve.com

Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopadie : Organ/Official Journal Deutsche Gesellschaft Fur Kieferorthopadie
|October 19, 2000
PubMed
Summary

Bonded retainers are reliable orthodontic appliances, though failure rates depend on the bonding operator and retainer extent. Most failures occur within the first 3-6 months of use.

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Area of Science:

  • Orthodontics
  • Dental Materials

Background:

  • Bonded retainers are crucial for orthodontic retention.
  • Their popularity stems from perceived reliability, efficiency, and aesthetics.

Purpose of the Study:

  • To clinically evaluate the reliability of bonded retainers.
  • To identify factors influencing bonded retainer failure.

Main Methods:

  • Analysis of 549 patients with bonded retainers.
  • Data collected on wearing time, retainer extension, failure frequency, operator, and patient age.

Main Results:

  • Average failure frequency was 0.55 per retainer per year.
  • Failure rates were significantly influenced by the bonding operator and retainer extent (e.g., upper canine involvement reduced reliability).
  • Most failures occurred within the initial 3-6 months.

Conclusions:

  • Bonded retainers are highly efficient and reliable for long-term orthodontic retention.
  • Operator and retainer design are key factors in ensuring longevity.

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