Emmanuel João Nogueira Leal Silva
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View article: Effects of Access Cavity Design on the Shaping Ability and Dentine Thickness Following Canal Preparation Using <scp>XP</scp> ‐Endo Shaper or Reciproc
Effects of Access Cavity Design on the Shaping Ability and Dentine Thickness Following Canal Preparation Using <span>XP</span> ‐Endo Shaper or Reciproc Open
This study compared the shaping ability and remaining dentine thickness in mandibular molars prepared with traditional (TradAC) or ultraconservative (UltraAC) access cavities using Reciproc or XP‐endo Shaper instruments. Thirty‐two molars …
View article: Influence of Engine‐Driven <scp>NiTi</scp> Files on the Effectiveness and Technical Quality of Endodontic Treatment Performed by Undergraduate Students: A Systematic Review and Meta‐Analysis
Influence of Engine‐Driven <span>NiTi</span> Files on the Effectiveness and Technical Quality of Endodontic Treatment Performed by Undergraduate Students: A Systematic Review and Meta‐Analysis Open
Background In recent years, many universities have incorporated engine‐driven nickel‐titanium (NiTi) instruments into their undergraduate endodontic programs, aiming to enhance the efficiency and precision of root canal treatments. While t…
View article: In vitro experimental study comparing continuous and intermittent irrigation protocols: influence of sodium hypochlorite volume and contact time on tissue dissolution
In vitro experimental study comparing continuous and intermittent irrigation protocols: influence of sodium hypochlorite volume and contact time on tissue dissolution Open
Objectives: This study aimed to evaluate whether continuous irrigation with larger volumes or allowing sodium hypochlorite (NaOCl) resting time is more critical for pulp tissue dissolution using a controlled artificial root canal system.Me…
View article: Integrated Micro-Computed Tomography and Computational Fluid Dynamics Analysis of Stepwise Enlargement in Mesial Root Canals of Mandibular Molars
Integrated Micro-Computed Tomography and Computational Fluid Dynamics Analysis of Stepwise Enlargement in Mesial Root Canals of Mandibular Molars Open
Progressive apical enlargement improved shaping and irrigant dynamics, but additional increases offered limited benefits. Irrigant effectiveness was more influenced by needle design than by size alone, suggesting that optimizing delivery s…
View article: Does the use of different root canal sealers and adhesive resin cements impact the bond strength of glass fiber posts?
Does the use of different root canal sealers and adhesive resin cements impact the bond strength of glass fiber posts? Open
Objectives: This study aimed to assess the influence of two endodontic sealers on the bond strength of glass fiber posts using conventional and self-adhesive resin cement through a push-out test. Methods: Forty central human incisors were …
View article: O efeito da arborização no conforto térmico em espaços públicos urbanos
O efeito da arborização no conforto térmico em espaços públicos urbanos Open
A vegetação em áreas urbana, quando utilizada adequadamente, desempenha um papel importante, pois proporciona a melhoria da qualidade do meio ambiente, contribuindo na redução dos impactos ambientais causados pela ação humana por meio do c…
View article: Accumulated Hard-tissue Debris Removal Using Different Ultrasonic Power Settings: A Micro-CT Study
Accumulated Hard-tissue Debris Removal Using Different Ultrasonic Power Settings: A Micro-CT Study Open
To evaluate the effectiveness of the Irrisonic Power ultrasonic tip activated at different power settings (10 and 30%) on the removal of accumulated hard-tissue debris (AHTD) from mandibular premolars using micro-computed tomography (micro…
View article: Mechanical and Metallurgical In Vitro Evaluation of Electropolished Versus Non‐Electropolished Rotary and Reciprocating Instruments
Mechanical and Metallurgical In Vitro Evaluation of Electropolished Versus Non‐Electropolished Rotary and Reciprocating Instruments Open
Aim To evaluate the effect of electropolishing on the mechanical properties of One RECI and One Curve mini nickel‐titanium (NiTi) instruments by comparing electropolished and non‐electropolished versions of each instrument type. Methodolog…
View article: Synthesis, physical properties, and root canal sealing of experimental MTA- and salicylate-based root canal sealers
Synthesis, physical properties, and root canal sealing of experimental MTA- and salicylate-based root canal sealers Open
Objectives To develop and evaluate the physical properties and sealing ability within the root canal of three experimental sealers based on MTA and a salicylate resin. Materials and methods The experimental sealers were composed of two pas…
View article: Isolating design variables by assessing the impact of cross-section geometry on the mechanical performance of nickel-titanium rotary instruments: a comparative in vitro study
Isolating design variables by assessing the impact of cross-section geometry on the mechanical performance of nickel-titanium rotary instruments: a comparative in vitro study Open
Objectives: This study aimed to assess the effect of cross-section geometry on the mechanical properties of nickel-titanium (NiTi) instruments by comparing two instruments with identical tip size, taper, and thermal treatment but differing…
View article: Analysis of thermal profiles on tooth structure and insert during one-piece or adapter-coupled ultrasonic insert use: an in vitro experimental study
Analysis of thermal profiles on tooth structure and insert during one-piece or adapter-coupled ultrasonic insert use: an in vitro experimental study Open
Objectives: This in vitro study aimed to evaluate temperature variation on the external surface of mandibular molars and within ultrasonic inserts when using adapter-coupled versus one-piece inserts.Methods: Twenty-four extracted human man…
View article: Manufacturing Order Matters? Exploring the Impact of Heat Treatment and Machining Sequences on the <scp>NiTi</scp> Instruments Properties
Manufacturing Order Matters? Exploring the Impact of Heat Treatment and Machining Sequences on the <span>NiTi</span> Instruments Properties Open
This study assessed how manufacturing sequence affects the metallurgical and mechanical properties of two nickel‐titanium instruments: Procodile Q (heat‐treated before machining) and Procodile +HT (heat‐treated after machining). Both instr…
View article: Assessing the fatigue resistance of <scp>NiTi</scp> instruments: A <scp>DSC</scp>‐based approach to understanding temperature effects
Assessing the fatigue resistance of <span>NiTi</span> instruments: A <span>DSC</span>‐based approach to understanding temperature effects Open
Aim This study aims to demonstrate that phase transformation analysis, assessed via differential scanning calorimetry (DSC), offers a more comprehensive understanding of NiTi instruments' mechanical behaviour than traditional fixed‐tempera…
View article: Diamond‐like carbon coating enhances mechanical performance of <scp>NiTi</scp> rotary instruments: A multimethod analysis
Diamond‐like carbon coating enhances mechanical performance of <span>NiTi</span> rotary instruments: A multimethod analysis Open
Aim This study aimed to evaluate the impact of diamond‐like carbon (DLC) surface treatment on the mechanical properties of nickel–titanium (NiTi) rotary instruments. Methodology One hundred and ten nickel–titanium instruments with a size o…
View article: The impact of blade geometry (nonflat, flat or hybrid) and metallurgical composition on the mechanical performance of <scp>NiTi</scp> endodontic instruments: A multimethod laboratory study
The impact of blade geometry (nonflat, flat or hybrid) and metallurgical composition on the mechanical performance of <span>NiTi</span> endodontic instruments: A multimethod laboratory study Open
Aim To evaluate the influence of blade design (conventional, flat and hybrid) and metallurgical properties on the mechanical performance of nickel‐titanium endodontic instruments. Methodology Two hundred and seven NiTi instruments (25 mm i…
View article: Mice Mucosal Leishmaniasis model shown high parasite load, increased cytotoxicity and impaired IL-10<sup>+</sup>cells response
Mice Mucosal Leishmaniasis model shown high parasite load, increased cytotoxicity and impaired IL-10<sup>+</sup>cells response Open
Mucosal Leishmaniasis is one of the most aggressive clinical manifestations of Leishmania infection disease, characterized by the destruction of nasal and oral tissues. The mechanisms by which this disease occurs are still not well underst…
View article: A comparison of traditional and virtual reality haptic simulator approaches in preclinical endodontic training: Impacts on skill acquisition, confidence and stress
A comparison of traditional and virtual reality haptic simulator approaches in preclinical endodontic training: Impacts on skill acquisition, confidence and stress Open
Aim This study aimed to evaluate the influence of virtual reality (VR) haptic simulators on manual dexterity, self‐confidence and stress levels of 3rd‐semester dental students during preclinical endodontic training, as well as to determine…
View article: Overall success rate of permanent teeth pulpotomy using ProRoot MTA: A systematic review and meta-analysis of randomized clinical trials
Overall success rate of permanent teeth pulpotomy using ProRoot MTA: A systematic review and meta-analysis of randomized clinical trials Open
Introduction This systematic review and meta-analysis aimed to evaluate the success rate of pulpotomy in permanent teeth using ProRoot MTA. Methods An unrestricted search was carried out in 6 electronic databases, until August 2024. The se…
View article: Impact of Material Composition and Surface Finish on the Bending Strength of Ultrasonic Irrigant Activation Tips
Impact of Material Composition and Surface Finish on the Bending Strength of Ultrasonic Irrigant Activation Tips Open
This study evaluated the design, surface finish, alloy composition, and bending strength of three ultrasonic tips—Ultra X Silver, Gold, and Blue—used for irrigant activation. Using scanning electron microscopy (SEM), energy‐dispersive X‐ra…
View article: PERCEPÇÃO DOS ACADÊMICOS DE ENFERMAGEM SOBRE O EXAME PREVENTIVO DE CÂNCER DE COLO DE ÚTERO
PERCEPÇÃO DOS ACADÊMICOS DE ENFERMAGEM SOBRE O EXAME PREVENTIVO DE CÂNCER DE COLO DE ÚTERO Open
O exame Preventivo do Câncer de Colo do Útero (PCCU), conhecido como Papanicolau, consiste em um exame citopatológico de rastreio e detecção precoce do Câncer do Colo Uterino (CCU), realizado de forma simples e de fácil execução. Este trab…
View article: Impact of conservative versus conventional instrumentation on the release of inflammatory mediators and post‐operative pain in mandibular molars with asymptomatic irreversible pulpitis: A randomized clinical trial
Impact of conservative versus conventional instrumentation on the release of inflammatory mediators and post‐operative pain in mandibular molars with asymptomatic irreversible pulpitis: A randomized clinical trial Open
Aim This study aimed to compare the release of inflammatory mediators and post‐operative pain after conservative and conventional root canal preparations of mandibular molars with asymptomatic irreversible pulpitis. Methodology Forty‐five …
View article: A Comparative Analysis of ProTaper Ultimate and Five Multifile Systems: Design, Metallurgy, and Mechanical Performance
A Comparative Analysis of ProTaper Ultimate and Five Multifile Systems: Design, Metallurgy, and Mechanical Performance Open
The present research compared the design, metallurgical properties, and mechanical characteristics of the ProTaper Ultimate instruments with five multifile systems. A total of 469 new nickel–titanium rotary finishing instruments, all 25 mm…
View article: Population-Specific Anatomical Variations in Premolar Root Canal Systems: A Cross-Sectional Cone-Beam Computed Tomography Study of Jamaican and Portuguese Subpopulations
Population-Specific Anatomical Variations in Premolar Root Canal Systems: A Cross-Sectional Cone-Beam Computed Tomography Study of Jamaican and Portuguese Subpopulations Open
Background/Objectives: The morphology of roots and root canals has a significant influence on the outcome of endodontic treatment. This study aimed to compare premolar root and root canal configurations between Central American and Europea…
View article: Odontogenic Sinusitis of Endodontic Origin: Successful Management Through Endodontic Treatment
Odontogenic Sinusitis of Endodontic Origin: Successful Management Through Endodontic Treatment Open
Odontogenic sinusitis is a maxillary sinus infection arising from dental pathology, primarily involving posterior maxillary teeth due to their anatomical proximity to the sinus floor. Endodontic infections are a significant etiological fac…
View article: EVALUATION OF THE ANTIFUNGAL AND BIOTECHNOLOGICAL POTENTIAL OF ESSENTIAL OILS AS PRESERVATIVE AGENTS IN THE BAKING INDUSTRY
EVALUATION OF THE ANTIFUNGAL AND BIOTECHNOLOGICAL POTENTIAL OF ESSENTIAL OILS AS PRESERVATIVE AGENTS IN THE BAKING INDUSTRY Open
View article: Synthesis, physical properties, and root canal sealing of experimental MTA- and salicylate-based root canal sealers
Synthesis, physical properties, and root canal sealing of experimental MTA- and salicylate-based root canal sealers Open
Objectives: To develop and evaluate the physical properties and sealing ability within the root canal of three experimental sealers based on MTA and a salicylate resin. Materials and Methods: The experimental sealers were composed of two p…
View article: Influence of Continuous Rotation and Optimal Torque Reverse Kinematics on the Cyclic Fatigue Strength of Endodontic NiTi Clockwise Cutting Rotary Instruments
Influence of Continuous Rotation and Optimal Torque Reverse Kinematics on the Cyclic Fatigue Strength of Endodontic NiTi Clockwise Cutting Rotary Instruments Open
Objectives: The objective of the present study was to evaluate the cyclic fatigue strength of clockwise cutting rotary endodontic instruments when subjected to two different kinematics: continuous clockwise rotation and clockwise reciproca…
View article: Minimally invasive guided endodontic microsurgery with Zekrya bur: A 48‐month follow‐up case report
Minimally invasive guided endodontic microsurgery with Zekrya bur: A 48‐month follow‐up case report Open
Endodontic microsurgery guided by navigation systems represents a precise and minimally invasive approach for retreatment of apical periodontitis following failed conventional endodontic therapy. Accurate localization and minimal access to…
View article: Apical periodontitis as an aggravating factor for the severity of rheumatoid arthritis: An animal study
Apical periodontitis as an aggravating factor for the severity of rheumatoid arthritis: An animal study Open
Aim The present study investigated the influence of apical periodontitis (AP) on the severity of rheumatoid arthritis (RA) using a Wistar rat model. Methodology Forty male Wistar rats were distributed across four groups ( n = 10) based on …
View article: Increased Prevalence of Periapical Lesions in Osteoporosis Patients: A Systematic Review
Increased Prevalence of Periapical Lesions in Osteoporosis Patients: A Systematic Review Open
Assessing scientific literature about prevalence of periapical lesions in individuals with osteoporosis in comparison to those without osteoporosis. Systematic searches were conducted up to November 24th, 2023 in Cochrane Library, EMBASE, …