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Shear bond strength of orthodontic brackets to enamel after application of a caries infiltrant.
Mews, Laura; Kern, Matthias; Ciesielski, Robert; Fischer-Brandies, Helge; Koos, Bernd.
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  • Mews L; a Postdoctoral student, Department of Orthodontics, Christian-Albrechts University, Kiel, Germany.
  • Kern M; b Professor and Chair, Department of Prosthodontics, Propaedeutics and Dental Materials, Christian-Albrechts University, Kiel, Germany.
  • Ciesielski R; c Research Assistant, Department of Orthodontics, Christian-Albrechts University, Kiel, Germany.
  • Fischer-Brandies H; d Professor and Chair, Department of Orthodontics, Christian-Albrechts University, Kiel, Germany.
  • Koos B; e Assistant Professor, Department of Orthodontics, Christian-Albrechts University, Kiel, Germany.
Angle Orthod ; 85(4): 645-50, 2015 Jul.
Article en En | MEDLINE | ID: mdl-25157972
OBJECTIVE: To examine differences in the shear bond strength of orthodontic brackets on differently mineralized enamel surfaces after applying a caries infiltrant or conventional adhesive. MATERIALS AND METHODS: A total of 320 bovine incisors were assigned to eight pretreated groups, and the shear force required for debonding was recorded. Residual adhesive was evaluated by light microscopy using the adhesive remnant index. Statistical analysis included Kolmogorov-Smirnov, analysis of variance (ANOVA), and Scheffé tests. RESULTS: The highest bond strength (18.8 ± 4.4 MPa) was obtained after use of the caries infiltrant. More residual adhesive and fewer enamel defects were observed on infiltrated enamel surfaces. Brackets on demineralized enamel produced multiple enamel defects. CONCLUSIONS: Acceptable bond strengths were obtained with all material combinations. A caries-infiltrant applied before bracket fixation has a protective effect, especially on demineralized enamel.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Resinas Sintéticas / Recubrimiento Dental Adhesivo / Soportes Ortodóncicos / Esmalte Dental / Materiales Dentales Límite: Animals Idioma: En Revista: Angle Orthod Año: 2015 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Resinas Sintéticas / Recubrimiento Dental Adhesivo / Soportes Ortodóncicos / Esmalte Dental / Materiales Dentales Límite: Animals Idioma: En Revista: Angle Orthod Año: 2015 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Estados Unidos