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Delayed retraction utilizing ceramic brackets.

S A Alexander1

  • 1School of Dental Medicine, SUNY at Stony Brook 11794-8701.

The Journal of Clinical Pediatric Dentistry
|January 1, 1992
PubMed
Summary
This summary is machine-generated.

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Ceramic orthodontic brackets showed delayed tooth retraction compared to stainless steel brackets. Over 36 weeks, stainless steel brackets moved teeth 1.8 times faster, demonstrating superior retraction efficiency.

Area of Science:

  • Orthodontics
  • Biomaterials Science
  • Dental Mechanics

Background:

  • Orthodontic treatment aims to correct malocclusions efficiently.
  • Bracket material selection can influence treatment duration and outcomes.
  • Ceramic brackets offer aesthetic advantages but their clinical performance requires evaluation.

Purpose of the Study:

  • To clinically compare the retraction speed of ceramic versus stainless steel orthodontic brackets.
  • To assess the impact of bracket material on canine retraction in Class II division 1 malocclusions.

Main Methods:

  • A clinical study involving twelve patients with Class II division 1 malocclusions.
  • Maxillary first premolars were extracted to facilitate canine retraction.
  • Comparison of retraction delay between ceramic and stainless steel brackets on cuspids.

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Main Results:

  • All cuspids treated with ceramic brackets exhibited delayed retraction compared to stainless steel counterparts.
  • Teeth with stainless steel brackets moved 2mm farther than those with ceramic brackets over 36 weeks.
  • Stainless steel brackets demonstrated 1.8 times faster tooth movement than ceramic brackets.

Conclusions:

  • Stainless steel orthodontic brackets provide significantly faster canine retraction than ceramic brackets.
  • The material properties of ceramic brackets may contribute to slower retraction rates in orthodontic treatment.
  • Clinicians should consider bracket material when estimating treatment timelines for tooth movement.