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Effects of different orthodontic adhesives and resin removal techniques on enamel color alteration

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060613-433.1.pdf (548.4Kb)
Date
2014
Author
Boncuk, Yasemen
Cehreli, Zafer C.
Polat-Ozsoy, Omur
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Abstract
Objective: To investigate the color alterations in enamel following the use of different orthodontic bonding resins and adhesive residue removal burs. Materials and Methods: Metal brackets were bonded to extracted human premolars (n = 175) by using an etch-and-rinse adhesive system, a self-etch adhesive system (SEP), or a resin-modified glass ionomer cement (RMGIC). After 24 hours of photoaging, the brackets were removed and the adhesive residue on the tooth surfaces was cleaned with either a tungsten carbide bur or a Stainbuster bur. Tooth colors were measured with a spectrophotometer at baseline, after adhesive removal, and after additional photoaging. Color evaluation was made, and color differences induced by photoaging were calculated. Statistical evaluation was made using the Kruskal-Wallis test and the Mann-Whitney U-test, with Bonferroni correction. Results: All specimens showed discoloration at varying levels. The highest color change was observed in the etch-and-rinse adhesive/tungsten carbide bur group. When the etch-and-rinse and self-etch adhesives were used, adhesive-remnant removal with Stainbuster burs resulted in significantly lower discoloration. The type of bur did not affect the extent of enamel discoloration in the RMGIC group. Conclusions: Orthodontic treatment alters the original color of enamel, and both the adhesive system and the resin-removal methods are responsible for this change. When brackets are bonded with the etch-and-rinse system or the SEP, cleaning the adhesive residuals with Stainbuster burs is recommended for minimal change. RMGIC can be safely cleaned with tungsten carbide burs.
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https://www.angle.org/doi/10.2319/060613-433.1
http://hdl.handle.net/11727/4499
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  • Diş Hekimliği Fakültesi / Faculty of Dentistry [224]
  • PubMed İndeksli Yayınlar Koleksiyonu [2473]
  • Scopus İndeksli Yayınlar Koleksiyonu [3158]
  • Wos İndeksli Yayınlar Koleksiyonu [4264]

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