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Customized lingual brackets vs. conventional labial brackets for initial alignment : A randomized clinical trial.

Murat Kaptaç1, Yazgı Ay Ünüvar2

  • 1Private Practice, İstanbul, Turkey.

Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopadie : Organ/Official Journal Deutsche Gesellschaft Fur Kieferorthopadie
|April 24, 2021
PubMed
Summary

This pilot study found no significant differences in mandibular arch alignment or irregularity reduction between customized lingual brackets and conventional labial brackets over an 18-week orthodontic treatment period.

Keywords:
Angle class I malocclusionDigital modelLingual orthodonticsMandibleTreatment outcome

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Area of Science:

  • Orthodontics
  • Dental Materials Science

Background:

  • Lingual brackets offer a less visible orthodontic treatment option compared to traditional labial brackets.
  • Assessing the efficacy of customized lingual brackets versus conventional labial brackets in early orthodontic alignment is crucial for treatment planning.

Purpose of the Study:

  • To compare the effectiveness of customized lingual brackets versus conventional labial brackets in mandibular arch alignment.
  • To evaluate the reduction of Little's irregularity index during an 18-week treatment interval.

Main Methods:

  • A randomized prospective clinical study included 20 patients with class I malocclusion.
  • Patients were randomly assigned to receive either customized lingual or conventional labial brackets.
  • Digital models from intraoral scans were analyzed for irregularity index, intercanine width, intermolar width, and arch length at specified intervals.

Main Results:

  • No statistically significant differences were observed between the lingual and labial bracket groups for irregularity index, intercanine width, intermolar width, and arch length.
  • Intergroup comparisons at all measured time points (T0, T1, T2, T3) showed no significant variations.

Conclusions:

  • In the initial phase of mandibular alignment, customized lingual brackets and conventional labial brackets demonstrate comparable outcomes.
  • This pilot study suggests no difference in early treatment effects between the two bracket systems.