RSS 1.0Departamento de Materiais Odontológicos e Prótese
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Does silica–nylon mesh improves the biomechanical response of custom-made mouthguards?
Tribst, João Paulo Mendes
; Dal Piva, Amanda Maria de Oliveira ; de Carvalho, Paula Carolina Komori ; ; Borges, Alexandre Luiz Souto ; Paes-Junior, Tarcisio José de Arruda (Sport Sciences for Health, 2019) [Artigo]
Purpose: Mouthguards are used for injury prevention due to the high risk of dental and craniofacial injuries during sports activities. Therefore, the aim of this study was to evaluate the effect of silica–nylon mesh on the ... -
Effect of temporary cement removal methods from human dentin on zirconia-dentin adhesion
; ; ; Dal Piva, Amanda Maria de Oliveira; ; Bottino, Marco Antonio ; (Journal of Adhesion Science and Technology, 2019) [Artigo]
This study evaluated the effect of temporary cement residue removal methods from human coronary dentin on the bond strength of adhesively-luted zirconia on dentin. Forty non-carious human molars were embedded in acrylic ... -
Synthesis and morphological characterization of polycaprolactone (PCL) membranes with tara extract (caesalpinia spinosa)
Silva, Jhenifer Rodrigues; Sato, Tabata Prado ; Borges, Alexandre Luiz Souto (Brazilian Dental Science, 2019) [Artigo]
Objective: This study aimed the synthesis and morphological characterization of PCL electrospun fibers containing tara extract. Material and Methods: For this, tara extract synthesis was performed by two different extraction ... -
Different combinations of CAD/CAM materials on the biomechanical behavior of a two-piece prosthetic solution
Tribst, João Paulo Mendes; de Oliveira Dal Piva, Amanda Maria ; Borges, Alexandre Luiz Souto ; Bottino, Marco Antonio (International Journal of Computerized Dentistry, 2019) [Artigo]
Aim: This study evaluated the stress distribution of implant-supported prostheses, varying the different combinations of computer-aided design/computer-aided manufacturing (CAD/CAM) materials between the hybrid abutment ... -
Titanium dioxide and polyethylmethacrylate electrospun nanofibers: Assessing the technique parameters and morphological characterization
Dias Santos, Jessica; Sato, Tabata Prado ; de Lima, Aline Lins ; Nogueira, Andrea Souza ; Quishida, Cristiane Campos Costa ; Borges, Alexandre Luiz Souto (Brazilian Dental Science, 2019) [Artigo]
This work studied the synthetization and morphological characterization of Polyethylmethacrylate (PEMA) nanofibers (NFs) containing titanium dioxide (TiO2) produced by the electrospinning technique. The solution to produce ... -
Strength of a zirconia-reinforced lithium silicate ceramic: Acid-etching time and resin cement application effects
Barchetta, Nayara Fernanda; ; ; ; Bottino, Marco Antonio ; ; De Melo, Renata Marques (International Journal of Periodontics and Restorative Dentistry, 2019) [Artigo]
This study aimed to evaluate the effect of hydrofluoric (HF)-acid-etching time and the impact of a resin-cement layer on the biaxial flexural strength and structural reliability of a zirconia-reinforced lithium silicate ... -
Failure probability, stress distribution and fracture analysis of experimental screw for micro conical abutment
Filho, Antonio Braulino de Melo; Tribst, João Paulo Mendes ; Ramos, Nathália de Carvalho ; Luz, Julio Nogueira ; Jardini, Maria Aparecida Neves ; Borges, Alexandre Luiz Souto ; Santamaria, Mauro Pedrine ; de Melo, Renata Marques (Brazilian Dental Journal, 2019) [Artigo]
The aim of this study was to evaluate the failure probability of two types of abutment screws after compressive load and to analyze the stress distribution with finite element method. Sixty (60) single-tooth implant ... -
Newer vs. older CAD/CAM burs: Influence of bur experience on the fatigue behavior of adhesively cemented simplified lithium-disilicate glass-ceramic restorations
Schmitt de Andrade, Guilherme; Diniz, Vandeberg ; Datte, Carlos Eduardo ; ; ; ; ; Bottino, Marco Antonio ; ; Marques de Melo, Renata (Journal of the Mechanical Behavior of Biomedical Materials, 2019) [Artigo]
This study evaluated the effect of the CAD/CAM burs experience (newer vs older as consequence of the milling sequence) on fatigue failure load (FFL), number of cycles for failure (CFF), and survival rates of lithium ... -
Effect of different loading pistons on stress distribution of a CAD/CAM silica-based ceramic: CAD-FEA modeling and fatigue survival analysis
Miranda, Jean Soares; de Carvalho, Ronaldo Luís Almeida ; ; Borges, Alexandre Luis S. ; Bottino, Marco Antônio ; ; Melo, Renata Marques de ; (Journal of the Mechanical Behavior of Biomedical Materials, 2019) [Artigo]
Purpose: This study evaluated the effect of different loading pistons, made of various materials and with different elastic moduli acting as antagonist material, on stress distribution and fatigue behavior of a CAD/CAM ... -
Capacity to maintain placement torque at removal, single load-to-failure, and stress concentration of straight and angled abutments
; Tribst, João Paulo Mendes; Dal Piva, Amanda Maria de Oliveira ; Borges, Alexandre Luiz Souto ; ; (International Journal of Periodontics and Restorative Dentistry, 2019) [Artigo]
Because the main complication of implant-supported prostheses is torque loosening and/or fixation screw fracture, the goal of this study was to evaluate the torque before and after fatigue (screw placement and removal, ... -
Effects of manufacturing and finishing techniques of feldspathic ceramics on surface topography, biofilm formation, and cell viability for human gingival fibroblasts
Contreras, Lisseth Patricia Claudio; Dal Piva, Amanda Maria Oliveira ; De Camargo Ribeiro, Felipe ; ; Camargo, Samira Esteves Afonso ; Jorge, Antonio Olavo Cardoso ; Bottino, Marco Antonio (Operative Dentistry, 2018) [Artigo]
Purpose: Feldspathic ceramic restorations can be obtained by different techniques (stratification or computer-aided design/computer-aided manufacturing [CAD/CAM] blocks) and finishing procedures (polishing or glaze ... -
Mechanical behavior of different micro conical abutments in fixed prosthesis
Tribst, João Paulo Mendes; de Melo, Renata Marques ; Borges, Alexandre Luiz Souto ; ; Bottino, Marco Antonio (International Journal of Oral and Maxillofacial Implants, 2018) [Artigo]
Purpose: To evaluate the biomechanical behavior between two different micro conical abutments: two-piece and one-piece abutments. Materials and Methods: Four groups were divided according to the prosthetic connection ... -
Can heat-pressed feldspathic ceramic be submitted to multiple heat-pressing?
Dal Piva, Amanda Maria de Oliveira; Barcellos, Aline Serrado de Pinho ; Bottino, Marco Antonio ; ; Melo, Renata Marques de (Brazilian oral research, 2018) [Artigo]
The aim of this study was to determine if multiple processing (heat-pressing) of a dental ceramic influences flexural strength, hardness, and microstructure. Ninety bar-shaped specimens (15 mm × 4 mm × 2 mm) of a pressed ... -
A powdering technique for veneering zirconia and its effect on the flexural strength of ceramic bilayers
da Silva, Pollyanna Nogueira Ferreira; ; Bottino, Marco Antonio ; ; de Melo, Renata Marques ; Saavedra, Guilherme (International Journal of Periodontics and Restorative Dentistry, 2018) [Artigo]
The aim of this study was to assess the powdering technique and its effects on the flexural strength of bilayered zirconia. Bars made of zirconia partially stabilized by yttrium (Y-TZP) received porcelain by the following ... -
Computer-aided design finite element modeling of different approaches to rehabilitate endodontically treated teeth
Da Fonseca, Gabriela Fernandes; De Andrade, Guilherme Schmitt ; De Oliveira Dal Piva, Amanda Maria ; Tribst, João Paulo Mendes ; Borges, Alexandre Luiz Souto (Journal of Indian Prosthodontist Society, 2018) [Artigo]
Background: Carious lesions and dental fractures cause weakening in the dental structure. In these situations, endodontic treatment and prosthetic rehabilitation using an intraradicular post are indicated. However, the ... -
Influence of custom-made and stock mouthguard thickness on biomechanical response to a simulated impact
Tribst, João Paulo Mendes; de Oliveira Dal Piva, Amanda Maria ; Borges, Alexandre Luiz Souto ; Bottino, Marco Antonio (Dental Traumatology, 2018) [Artigo]
Background/Aims: Mouthguards (MGs) are devices that can reduce the risks of facial trauma. However, the large variety of MG types and thicknesses raises the question of which type is the most effective and beneficial for ... -
In vitro wear of a zirconium-reinforced lithium silicate ceramic against different restorative materials
Alves, Larissa Marcia Martins; Contreras, Lisseth Patricia Claudio ; ; Bottino, Marco Antonio ; ; Melo, Renata Marques de (Journal of the Mechanical Behavior of Biomedical Materials, 2019) [Artigo]
It is important to predict the wear behavior of a material as well as its potential to wear antagonized restorative materials. Thus, this study investigated the performance of zirconia-reinforced lithium silicate (ZLS) ... -
Mechanical behavior of conceptual posterior dental crowns with functional elasticity gradient
Penteado, Marcela Moreira; Tribst, Joao Paulo Mendes ; De Oliveira Dal Piva, Amanda Maria ; ; ; ; Borges, Alexandre Luiz Souto (American Journal of Dentistry, 2019) [Artigo]
Purpose: To evaluate the biomechanical behavior of monolithic ceramic crowns with functional elasticity gradient. Methods: Using a CAD software, a lower molar received a full-crown preparation (1.5 mm occlusal and axial ... -
In vitro evaluation of multi-walled carbon nanotube reinforced nanofibers composites for dental application
Borges, Alexandre L. S.; Tribst, João P. M. ; Dal Piva, Amanda M. O. ; Souza, Ana Carolina O. (International Journal of Polymeric Materials and Polymeric Biomaterials, 2019) [Artigo]
The goal of this study was to evaluate the mechanical properties of an experimental composite resin filled with nylon-6 nanofibers (N6), nylon-6 nanofibers with multi-walled carbon nanotubes (N6-MWCN) or with pre-polymerized ... -
Anxiety, emotion and dentistry – the digital media world affecting our patients
; ; Rode, Sigmar De Mello (Journal of Oral Research, 2019) [Editorial]