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Clinical performance of precoated brackets and self-etch bonding technique: a prospective comparative study

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Abstract

Objective

The aim was to compare the clinical performance of uncoated and adhesive precoated brackets bonded with either self-etching primer (SEP) or conventional two-step etch and primer method (CEM).

Subjects and methods

The sample consisted of 63 patients with a mean age of 15.20 ± 1.6 years. In group I (n = 15), uncoated brackets and CEM; in group II (n = 16), precoated brackets and CEM; in group III (n = 16), uncoated brackets and SEP; in group IV (n = 16), precoated brackets and SEP were used for bonding. Bonding time, bracket failure rate, and adhesive remnant index (ARI) scores were measured. The mean orthodontic treatment time was 1.13 ± 0.18 years. One-way variance ANOVA was used to determine bonding time differences and the chi-square test was used to determine differences in bracket failure rates and ARI scores.

Results

The bonding time was significantly lower for Groups III and IV, when compared to Groups I and II (p < 0.001). The bond failure rates were not different between the groups. Significant difference was observed between the procedures in relation to ARI scores (p < 0.001), which were higher in group IV.

Conclusions

Precoated brackets with SEP application significantly reduced chair time without compromising bracket failure rate.

Clinical relevance

Precoated brackets with SEP application can be safely used for bonding. Regarding the mode of failure, this group can be thought as favorable with a reduced risk of enamel tear.

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Authors and Affiliations

  1. Department of Orthodontics, Faculty of Dentistry, Hacettepe University, Sihhiye, 06100, Ankara, Turkey

    Ezgi Atik, Hande Gorucu-Coskuner & Tulin Taner

Authors
  1. Ezgi Atik
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  2. Hande Gorucu-Coskuner
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  3. Tulin Taner
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Corresponding author

Correspondence to Ezgi Atik.

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Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Ethical approval for this prospective clinical study was granted by the Ethics Commission of University of Hacettepe, No 2016/05-22 (KA-16023).

Informed consent

Informed consent was obtained from all individual participants included in the study.

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Atik, E., Gorucu-Coskuner, H. & Taner, T. Clinical performance of precoated brackets and self-etch bonding technique: a prospective comparative study. Clin Oral Invest 23, 2813–2821 (2019). https://doi.org/10.1007/s00784-018-2746-x

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  • DOI: https://doi.org/10.1007/s00784-018-2746-x

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