Bond strength of orthodontic adhesives to dry and saliva-moistened enamel a comparative in vitro study

• Autorzy: Stefański T. , Kloc-Ptaszna A. , Postek-Stefańska L.

Identyfikatory

DOI

10.5604/01.3001.0013.2388

• Języki publikacji: EN

Abstrakty

EN

Purpose: To compare the bond strengths of six different dental adhesives to dry and salivamoistened enamel. Design/methodology/approach: One hundred twenty stainless steel brackets were bonded to human mandibular third molars with six materials: Enlight LC® (Ormco Corp), Grengloo® (Ormco Corp), Light Bond® (Reliance Orthodontic Products), Charisma® (Heraeus Kulzer), SmartBond® (Gestenco), and Transbond XT® with MIP® primer (3M Unitek). One half of the specimens in each group (n=10) was bonded to dry enamel, while the other half to saliva-moistened enamel. Bond strength testing was performed with a wire loop loading technique after 30-min incubation in artificial saliva. Failure mode was evaluated using adhesive remaining index (ARI). Findings: No significant differences in bond strength to dry enamel were noted for all composite materials (p>0.05). SmartBond exhibited significantly greater bond strength to moistened enamel (7.10 ± 1.47 MPa) and comparable with other composite materials to dry enamel. Composite materials demonstrated significantly reduced bond strength to saliva-moistened enamel (p<0.001), except for Transbond MIP, whose bond strength was not significantly decreased by saliva contamination (p=0.089). There was not statistically significant difference between bond strength of SmartBond and Transbond to saliva contaminated enamel. A higher incidence of cohesive failures was noted for all materials. Research limitations/implications: Composite light-cured materials provide adequate bond strength to dry enamel. Cyanoacrylate adhesive provides sufficient bond strength only under moist conditions. Transbond XT+MIP has sufficient bond strength to either dry or saliva-moistened enamel. Practical implications: The study evaluated the bonding strength of orthodontic brackets, which is a critical parameter in orthodontics, especially in situations that do not allow for proper isolation from saliva, such as bonding to impacted teeth following surgical exposure. Originality/value: Bond strengths evaluated with loop loading technique in different study environments would help the orthodontist to choose the most effective adhesive for the specific clinical situation.

Słowa kluczowe

EN

bond strength; adhesives; orthodontic attachments

PL

siła wiązania; kleje; mocowania ortodontyczne

• Wydawca: International OCSCO World Press
• Czasopismo: Archives of Materials Science and Engineering
• Rocznik: 2019
• Tom: Vol. 96, nr 2
• Strony: 79--84
• Opis fizyczny: Bibliogr. 22 poz.

Twórcy

autor

Stefański T.

• Chair and Department of Orthodontics, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland

autor

Kloc-Ptaszna A.

• Institute of Engineering Materials and Biomaterials, Silesian University of Technology, ul. Konarskiego 18A, 44-100 Gliwice, Poland

autor

Postek-Stefańska L.

• Chair and Department of Pediatric Dentistry, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).