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Article

In Vitro Shear Bond Strength of Orthodontic Brackets after Enamel Conditioning with Acid Etching and Hydroabrasion

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Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, Viale S. Salvatore Edificio Delta 6, 67100 L’Aquila, Italy
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Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma-Università Cattolica del Sacro Cuore, Istituto di Clinica Odontoiatrica e Chirurgia Maxillo-facciale, Largo Agostino Gemelli, 00168 Rome, Italy
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Center for Microscopy, University of L’Aquila, Via Vetoio 2, 67100 L’Aquila, Italy
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Section of Odontostomatology, Department of Clinical and Specialist Assistance, Sant’Andrea Hospital, Corso Mario Abbate, 13100 Vercelli, Italy
*
Author to whom correspondence should be addressed.
Dent. J. 2020, 8(4), 108; https://doi.org/10.3390/dj8040108
Received: 9 June 2020 / Revised: 17 September 2020 / Accepted: 21 September 2020 / Published: 30 September 2020
(This article belongs to the Special Issue Oral Hygiene and Biofilms in Orthodontics)
The purpose of this study was to evaluate the shear bond strength and adhesive remnant index ARI) of orthodontic brackets following enamel conditioning with acid etching, hydroabrasion, and with both procedures. Thirty extracted human premolars were divided into three groups and received either acid etching, hydroabrasion or both procedures. Orthodontic brackets were bonded with composite resin. Shear bond strength was tested with a tensile machine, then the teeth were observed under a stereomicroscope to evaluate ARI scores. The enamel morphology after each conditioning method was evaluated with scanning electron microscope imaging. A one-way ANOVA and a Kruskal−Wallis H test were used to compare the bond strength and the ARI scores among the three groups. Hydroabrasion alone produced shear bond strength values below clinical acceptability, while the combination of acid etching and hydroabrasion produced the highest values. The ARI scores in the hydroabrasion group were significantly different from the other groups. Hydroabrasion followed by acid etching was effective in increasing the shear bond strength of orthodontic brackets. Further in vivo studies are needed to confirm the cost and benefits of this technique. View Full-Text
Keywords: hydroabrasion; shear bond strength; orthodontic; enamel hydroabrasion; shear bond strength; orthodontic; enamel
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MDPI and ACS Style

Tepedino, M.; Iancu Potrubacz, M.; Arrizza, L.; Russo, M.; Cavarra, F.; Cordaro, M.; Chimenti, C. In Vitro Shear Bond Strength of Orthodontic Brackets after Enamel Conditioning with Acid Etching and Hydroabrasion. Dent. J. 2020, 8, 108. https://doi.org/10.3390/dj8040108

AMA Style

Tepedino M, Iancu Potrubacz M, Arrizza L, Russo M, Cavarra F, Cordaro M, Chimenti C. In Vitro Shear Bond Strength of Orthodontic Brackets after Enamel Conditioning with Acid Etching and Hydroabrasion. Dentistry Journal. 2020; 8(4):108. https://doi.org/10.3390/dj8040108

Chicago/Turabian Style

Tepedino, Michele, Maciej Iancu Potrubacz, Lorenzo Arrizza, Manuela Russo, Francesco Cavarra, Massimo Cordaro, and Claudio Chimenti. 2020. "In Vitro Shear Bond Strength of Orthodontic Brackets after Enamel Conditioning with Acid Etching and Hydroabrasion" Dentistry Journal 8, no. 4: 108. https://doi.org/10.3390/dj8040108

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