Made available in DSpace on 2022-04-28T19:48:47Z (GMT). No. of bitstreams: 0 Previous issue date: 2022-03-01; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); The objective of this study was to assess the wear behavior and its effects on the flexural strength of silica-infiltrated zirconia compared to glaze and polishing finishi...
Made available in DSpace on 2022-04-29T08:40:54Z (GMT). No. of bitstreams: 0 Previous issue date: 2022-03-01; Objective: The present study aimed to evaluate root dentin collagen degradation after Nd:YAG laser irradiation by using polarized light microscopy and spectroscopy analysis. Background: Quantification of collagen degradation is an important parameter to evaluate dentin caries progression. Methods: Discs...
Made available in DSpace on 2022-04-29T22:28:34Z (GMT). No. of bitstreams: 0 Previous issue date: 2017-04-01; Objective This study evaluated the effects of two grading techniques of zirconia material on the fatigue limit of full-contour 3-unit fixed dental prostheses (FDPs). Methods Presintered blocks of 3Y-TZP were milled to obtain sixty-nine 3-unit FDPs, which were divided into three groups (n = 23). The cont...
Made available in DSpace on 2022-05-01T06:31:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-01-01; Objective: The aim of the study was to fabricate and morphologically characterize ultrafine Polyetherimide fibers (PEI) associated with Polymethylmethacrylate (PMMA) – PP (group formed by the association of PEI with PMMA), produced by the electrospinning process. Material and Methods: A solution of PEI ...
Made available in DSpace on 2022-05-01T12:56:29Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-01-01; PURPOSE. To characterize the microstructure of three yttria partially stabilized zirconia ceramics and to compare their hardness, indentation fracture resistance (IFR), biaxial flexural strength (BFS), and fatigue flexural strength. MATERIALS AND METHODS. Disc-shaped specimens were obtained from 3Y-TZP ...
Made available in DSpace on 2021-06-25T11:15:00Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-04-01; Objective: The purpose of the present study was to synthesize and characterize lithium disilicate glass-ceramics through the Li2O-SiO2 system for determining the most satisfactory sintering parameter by evaluating the crystalline composition, microstructure and mechanical properties. Material and method...
Made available in DSpace on 2020-12-10T20:09:03Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-09-01; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES); Objective. To synthesize a zirconia toughened alumina (ZTA) composite with 70% alumina reinforced by 3...
Made available in DSpace on 2020-12-12T02:26:53Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-09-01. Added 1 bitstream(s) on 2021-07-15T15:07:36Z : No. of bitstreams: 1 S0103-64402019000500511.pdf: 9734140 bytes, checksum: 39faff2992cfc8155becf430067cd0de (MD5); This study evaluated the influence of zirconia surface finishes on the wear of an enamel analogue. 40 zirconia discs were divided into four gr...
Made available in DSpace on 2020-12-12T02:35:32Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-05-01; Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Objective: To evaluate the composition, flexural strength and fatigue behaviour of lithium disilicate ceramic (LD) after repeated firings and different staining techniques. Methods: LD discs were fabricated and divided according to number of...
Made available in DSpace on 2020-12-12T02:04:05Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-05-01; Fundação de Apoio ao Ensino, Pesquisa e Assistência do Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto da Universidade de São Paulo; Biomaterials may be useful in filling lost bone portions in order to restore balance and improve bone regeneration. The objective of this study was to pro...