Universal adhesive: the effect of different simulated pulpal pressure fluids and bonding modes to dentin

被引：0
作者：
Lucélia Lemes Gonçalves
Tânia Mara Da Silva
Anuradha Prakki
Daphne Camara Barcellos
Taciana Marco Ferraz Caneppele
Hueder Paulo Moisés De Oliveira
Sérgio Eduardo de Paiva Gonçalves
机构：
[1] Anhanguera Faculty of São José dos Campos,Department of Clinical Sciences Restorative, Faculty of Dentistry
[2] University of Toronto,Department of Prosthodontics
[3] Federal University of Espírito Santo,Department Restorative Dentistry
[4] Institute of Science and Technology,Center for Natural and Human Sciences
[5] UNESP–Univ Estadual Paulista,Departamento de Odontologia Restauradora
[6] Federal University of ABC,undefined
[7] Instituto de Ciência e Tecnologia,undefined
[8] UNESP–Univ Estadual Paulista,undefined
[9] Campus de São José dos Campos,undefined
来源：
Odontology | 2022年 / 110卷
关键词：
Dental pulp; Dental bonding; Adhesives;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The aim of this study was to evaluate the effect of SPP with either fetal bovine serum (FBS) or deionized water (DW) on the bond strength (μTBS) of a Universal adhesive to dentin, in both etch-and-rinse (ER) and self-etch (SE) modes. The kinematic viscosity (cSt) of FBS and DW was measured at 25 °C ± 0.1 ºC. Seventy-two sound human molars were sectioned and randomly divided into three groups according to the SPP conditions: (1) Control (0 cm H2O), (2) SPP (15 cm H2O) with FBS, (3) SPP (15 cm H2O) with DW. Each group was subdivided (n = 10) based on the bonding modes: ER (37% phosphoric acid + ScothBond Universal Adhesive) or SE (ScothBond Universal Adhesive). Samples were then submitted to μTBS. Data were analyzed by Student’s t test, two-way ANOVA and Tukey tests (p < 0.05). The cSt results showed that DW (23.59 ± 0.39) had significantly higher values than FBS (22.33 ± 0.06). With regard to SPP, the control group (36.1 MPa) had significantly higher values of μTBS when compared to the SPP using FBS (31.06 MPa) and SPP with DW (26.55 MPa). According to ANOVA, the bonding modes and the interaction of simulated pulpal pressure (SPP) did not statistically influence the results (p < 0.05). The presence of SPP reduced the bond strength of Universal adhesive to dentin. DW during SPP had significantly reduced bonding values when compared to FBS. Bonding strategies were not affected by SPP when evaluated in a short period of time (24 h).
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页码：62 / 69
页数：7
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