대한치과교정학회지 (The korean journal of orthodontics)

  • 제43권2호
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  • Pages.96-100
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  • 2013
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  • 2234-7518(pISSN)
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  • 2005-372X(eISSN)
대한치과교정학회 (The Korean Association Of Orthodontists)
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Effects of contamination by either blood or a hemostatic agent on the shear bond strength of orthodontic buttons

  • Gungor, Ahmet Yalcin (Department of Orthodontics, Faculty of Dentistry, Akdeniz University) ;
  • Alkis, Huseyin (Department of Orthodontics, Faculty of Dentistry, Suleyman Demirel University) ;
  • Turkkahraman, Hakan (Department of Orthodontics, Faculty of Dentistry, Suleyman Demirel University)
  • 투고 : 2012.03.26
  • 심사 : 2012.10.22
  • 발행 : 2013.04.25
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초록

Objective: To evaluate the effects of contamination by either blood or a hemostatic agent on the shear bond strength (SBS) of orthodontic buttons. Methods: We used 45 freshly extracted, non-carious, impacted third molars that were divided into 3 groups of 15. Each tooth was etched with 37% phosphoric acid gel for 30 s. Human blood or the blood stopper agent was applied to the tooth surface in groups I and II, respectively. Group III teeth were untreated (controls). Orthodontic buttons were bonded to the teeth using light-curing composite resin. After bonding, the SBS of the button was determined using a Universal testing machine. Any adhesive remaining after debonding was assessed and scored according to the modified adhesive remnant index (ARI). ANOVA with post-hoc Tukey's test was used to determine significant differences in SBS and Fisher's exact test, to determine significant differences in ARI scores among groups. Results: ANOVA indicated a significant difference between groups (p < 0.001). The highest SBS values were measured in group III ($10.73{\pm}0.96$ MPa). The SBS values for teeth in groups I and II were significantly lower than that of group III (p < 0.001). The lowest SBS values were observed in group I teeth ($4.17{\pm}1.11$ MPa) (p < 0.001). Conclusions: Contamination of tooth surfaces with either blood or hemostatic agent significantly decreased the SBS of orthodontic buttons. When the contamination risk is high, it is recommended to use the blood stopper agent when bonding orthodontic buttons on impacted teeth.

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참고문헌

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피인용 문헌

  1. Can Brackets be Bonded with a Composite Resin after Expiration Date? vol.39, pp.2, 2013, https://doi.org/10.5301/ijao.5000479
  2. In vitro Evaluation of Microleakage of Class V Cavities Restored with new Flowable Compomers on the Primary Teeth vol.39, pp.3, 2013, https://doi.org/10.5301/ijao.5000486
  3. Shear Bond Strengths of Brackets Bonded with a New Self-Adhering Resin Composite vol.39, pp.8, 2013, https://doi.org/10.5301/ijao.5000517
  4. Effects of sodium ascorbate and delayed bonding after bleaching on shear bond strengts of orthodontic brackets vol.31, pp.9, 2017, https://doi.org/10.1080/01694243.2016.1238121