Strengthening effect of flavonoid antioxidant on resin-enamel bond strength following tooth bleaching.

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Tác giả: Carolina Bosso André, Bruna Tavares Carneiro, Gabriela Luiza Moreira Carvalho, Vanessa Cavalli, Fernanda Novais Arantes Maciel de Castro, Bruna Marin Fronza, Matheus Kury, Mayara Zaghi Dal Picolo

Ngôn ngữ: eng

Ký hiệu phân loại: 025.3177 Bibliographic analysis and control

Thông tin xuất bản: England : European journal of oral sciences , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 652202

This study aimed to assess the impact of flavonoid-based antioxidant application after in-office bleaching with 35% hydrogen peroxide on the shear bond strength of resin to bovine enamel, comparing it with 10% sodium ascorbate. Bovine enamel blocks (n = 10) were randomly assigned to one of five pretreatments: (i) no bleaching, (ii) bleaching without antioxidant application, and (iii) bleaching followed by a 1-min application of 10% sodium ascorbate, (iv) 5% naringin, or (v) 10% naringin. Color analysis was conducted using a digital spectrophotometer. Shear bond strength was assessed on two, 2-mm-diameter resin cylinders per block using a universal testing machine at 0.5 mm/min until fracture. Enamel surface morphology was analyzed using scanning electron microscopy. Shear bond strength values and color parameters (ΔE
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