Brenda P F A Gomes

• BDS, MSc, PhD
• Professor at Piracicaba Dental School, State University of Campinas, UNICAMP, Piracicaba, SP, Brazil

Biofilm refers to the complex, sessile communities of microbes found either attached to a surface often buried firmly in a self-produced extracellular matrix. Cells within a biofilm have intrinsic characteristics that are different from those of planktonic cells, making them tolerant to severe conditions and resistant to antibacterial treatments. B...

Objectives: This study aimed to evaluate whether the agitation protocols using ultrasonic inserts or the XP-endo Finisher R file improved the removal of two different endodontic sealer remnants and the bond strength of fiberglass posts to dentin.Methods: Seventy-two human teeth were selected. The canals were prepared with Reciproc 50 and Easy ProDe...

To evaluate the effect of the agitation of an ultrasonic photosensitizer during the antimicrobial photodynamic therapy (aPDT) in reducing multispecies biofilm composed of E. faecalis, C. albicans, and E. coli and endotoxins (LPS) within the root canals. Thirty lower premolars were contaminated and randomly divided into three groups (n = 10). Group...

Este estudo teve como objetivo avaliar as características superficiais e composição química de arcos ativados termicamente utilizados em sistemas autoligados. Arcos de NiTi e CuNiTi com diâmetro 0,014 (Ormco, Aditek, Orthometric, Morelli e Smart4Y) foram submetidos à condições variáveis utilizando segmentos de 10 mm divididos em 3 grupos de acordo...

Objectives To investigate volumetric changes, in vivo biocompatibility, and systemic migration from eight commercial endodontic sealer materials in paste/paste, powder/liquid, and pre-mixed forms. Materials and methods The sealers AH Plus Bioceramic, AH Plus Jet, BioRoot RCS, MTApex, Bio-C Sealer, Bio-C Sealer Ion+, EndoSequence BC Sealer and NeoS...

Aim Calcium silicate-based cements have been widely used in dentistry mainly due to their physicochemical and biological properties. Commercially available materials use radiopacifiers containing metals (bismuth, tantalum, tungsten and/or zirconium). To investigate volumetric changes, in vivo biocompatibility and systemic migration from eight comm...

Aim: The aim of the present study was to evaluate the solubility, flow and radiopacity of Calen (SS White Artigos Dentários Ltd, Rio de Janeiro, Brazil), Calen with zinc oxide (Calen/ZnO), calcium hydroxide + zinc oxide + 2% chlorhexidine (CH/ZnO/CHX), Calplus and Ultracal XS. Methods: 28 bovine incisor specimens were standardized, instrumented and...

Objectives: To investigate volumetric changes, in vivo biocompatibility, and systemic migration from eight commercial materials in paste/paste, powder/liquid, and pre-mixed forms. Material and Methods: After characterisation, tubes were implanted in Wistar rats’ alveolar bone and subcutaneous tissues. Micro-CT evaluated volumetric changes pre/post...

Aims: Root perforations are accidents and complications that can occur during endodontic treatment. With the advent of calcium silicate-based repair cements, there is a possibility to effectively seal and preserve the affected tooth. The objective of this case report was to evaluate the success and repair of a root perforation sealed with a calcium...

This study evaluated the glass fibre post (GFP) removal using three different protocols with ultrasonic tips. Thirty‐six extracted single‐rooted teeth were endodontically treated and cemented with a 10‐mm GFP. Three protocols were used for GFP removal: 20 s activated with cooling, 20 s activated without cooling and 40 s activated without cooling. T...

Aim The aim of this study is to investigate the expression of inflammatory biomarkers (TNF‐α, IL‐10, IL‐1β) and the pulpitis‐associated miRNA (miR‐30a‐5p and miR‐128‐3p) in pulp tissue samples from unrestored teeth with a vital normal pulp (NP), teeth with symptomatic irreversible pulpitis (IP) and in unrestored teeth with periodontal disease, unre...

Endocarditis is a severe infection affecting the heart’s inner layer, the endocardium. Its pathophysiology may involve heart valve damage, bacteria adhesion and biofilm formation, potentially leading to fatal complications. Bacteria from various sources, including from endodontic diseases and its treatments may enter the bloodstream provoking this...

This review aimed to determine the prevalence of species of yellow, purple and green microbial complexes in root canals (RC) and periodontal pockets (PP) of teeth with endodontic-periodontal lesions. For this purpose, two reviewers searched the literature up to January 2022. Studies reporting the prevalence of species of the yellow, purple and gree...

This in vitro study aimed to verify the influence of chlorhexidine (CHX) (gel and solution) in association with different activation protocols on disinfection of root canals contaminated with Enterococcus faecalis . In total, 120 lower premolar roots were selected, contaminated and divided into 12 groups according to irrigation technique and substa...

Background/Aim This study assessed the epidemiology of luxation injuries with or without dental fractures in patients attending the outpatient clinic of a Brazilian dental school over the past decade. Material and Methods We reviewed clinical records from a specialized center for dental trauma care in Brazil, focusing on patients who experienced a...

Aim To compare the effect of different sodium hypochlorite (NaOCl) agitation techniques on an ex vivo oral multispecies biofilm during passive disinfection of simulated immature roots. Methodology Extracted human teeth were prepared to simulate immature roots. They were infected with a dental plaque‐derived multispecies biofilm and cultured for 14...

Dental referrals to the Endodontics Specialty Clinic (ESC) are routine owing to the complexity of endodontic treatments. To obtain a better prognosis for treatment, students/dentists must perceive their technical limits. This study sought to investigate the referrals of patients to the ESC from different clinics of the Piracicaba Dental School, Sta...

Background and Objectives: Regenerative dentistry aims to regenerate the pulp–dentin complex and restore those of its functions that have become compromised by pulp injury and/or inflammation. Scaffold-based techniques are a regeneration strategy that replicate a biological environment by utilizing a suitable scaffold, which is considered crucial f...

Endodontic treatment is based on an understanding of the internal anatomy, which facilitates the precise exploration of the canals. The present study aimed to report a clinical case referring to the endodontic treatment of the upper left second molar, presenting the mesiopalatal canal and communication with the periodontal tissues in the distal reg...

The objective of this study was to investigate the presence of culturable bacteria, endotoxins (LPS) and lipoteichoic acid (LTA) levels in teeth with normal vital pulp (NVP) with intact crowns (IC) and those with coronal restoration (CR) limited to the enamel level. A total of 20 teeth indicated for endodontic treatment due to prosthetic reasons we...

Root canal infections are typically polymicrobial and involve strong bacterial interactions. The goal of endodontic treatment is to remove infected content from the root canal system to allow the healing of a pre-existing periapical lesion or to prevent infection of the periradicular tissues. Instrumentation alone is not capable of touching all of...

Introduction Infective endocarditis (IE) is an inflammatory disease usually caused by bacteria that enter the bloodstream and establish infections in the inner linings or valves of the heart, including blood vessels. Despite the availability of modern antimicrobial and surgical treatments, IE continues to cause substantial morbidity and mortality....

Um problema frequente na Endodontia é a dor pós-operatória, que pode variar desde uma sensibilidade de baixa intensidade ao morder sobre o dente, até uma dor severa diante de um leve toque. O desenvolvimento da dor pós-operatória em endodontia é normalmente ocasionado devido a uma resposta inflamatória nos tecidos periapicais. Existem medicamentos...

Introduction: This retrospective cohort study aimed to estimate the success rate (SR) of primary root canal treatment on teeth with a diagnosis of pulp necrosis (PN) and asymptomatic apical periodontitis (AAP) when using 2% chlorhexidine gel as an auxiliary chemical substance (ACS) and foraminal enlargement instrumentation technique. Methods: Th...

This study aimed to assess the traumatic dental injuries (TDIs) in permanent dentition among patients who attended at the outpatient clinic of a Brazilian dental school, during the last 20 years, and to investigate factors associated with the severity of these injuries. Clinical records of patients who attended a specialized center for dental traum...

Background Dental caries is the most common oral disease worldwide, and it is estimated to affect 2.3 billion people, with at least 530 million of them being schoolchildren with decayed primary teeth. This condition can rapidly evolve into irreversible pulp inflammation and pulp necrosis and thus requiring endodontic intervention. Photodynamic ther...

Background: A smile is considered one of the most important soft skills in social interaction. It is known that some photosensitizer agents (PS) used in photodynamic therapy (PDT) during root canal treatment could play a significant role in tooth color change, and thus the main objective of this systematic review is to address whether performing P...

Aim: To comparatively analyse the levels of culturable bacteria, endotoxins (LPS), tumour necrosis factor-alpha (TNF-α), interleukin-1 beta IL-1β and substance P in teeth with symptomatic irreversible pulpitis (SIP) and vital normal pulp (VNP) tissues. Methodology: Thirty-two patients were included (20 teeth with SIP and 12 teeth with VNP tissue...

Introduction: Regenerative endodontic procedures (REP) provide conditions for the continuity of apical formation and increase of the dentin walls thickness, being a useful technique to resume root development of necrotic teeth with incomplete apex. This study aimed to evaluate the coronal discoloration promoted by a new intracanal calcium silicate...

Objective The objective of this study was to evaluate the microbiological profile of root canals indicated for endodontic retreatment due to secondary endodontic infections evidenced by the presence of chronic apical periodontitis (G1) or for prosthetic reasons, without clinical and radiographic signs of endodontic reinfection (G2). Methods Microb...

Objectives To evaluate the biocompatibility, physical and chemical properties of three pre-mixed calcium silicate–based sealers and an epoxy resin–based material were assessed. Pre-mixed sealers supposedly obtain water from the root canal moist to hydrate and set. Materials and methods Polyethylene tubes were filled with the materials Bio-C Sealer...

Ciprofloxacin (CIPRO) is a fluoroquinolone antibiotic extensively used to treat various bacterial infections. The extensive use of CIPRO has promoted its accumulation in diverse aquatic environments as an emergent pollutant. Concentrations of CIPRO found in surface and ground waters and sea vary from ng to mg/L and represent a real risk for the ris...

Objective: To evaluate the effectiveness of supplemental photodynamic therapy for improving the bacterial removal and the levels of lipopolysaccharide (LPS) and lipoteichoic acid (LTA) by conducting a clinical trial. Methodology: Twenty-four root canals with pulp necrosis and periapical lesion were selected and randomly divided into conventional...

Metatranscriptomics has not yet been applied to the study of the endodontic microbiome. Therefore, this study investigated the microbial composition and patterns of gene expression in teeth with asymptomatic apical periodontitis. We performed next-generation, microbiome- wide RNA-sequencing in eight root canal samples, including five primary and th...

The effects of bismuth toxicity on the kidney—the main organ responsible for blood filtration—were systematically reviewed. This review was motivated by availability of several sources of bismuth in contact with humans including environmental, medications, dental materials, and cosmetics, potentially leading to kidney filtration of this chemical. N...

Calcium silicate-based root canal sealers have been developed in powder/liquid or premixed ready-to-use forms. The evaluation of the physico-chemical properties of a prototype powder/liquid MTApex Sealer (Ultradent) in comparison to a ready-to-use material EndoSequence BC Sealer (Brasseler) was performed. The paste/paste epoxy resin-based AH Plus (...

Background: Adjunct therapy refers to any intracanal procedure going beyond chemomechanical preparation with instruments and traditionally delivered irrigants (excluding interim dressings). It is not clear whether and which of these adjunct therapies have a significant impact on the outcome of root canal treatment [healing of apical periodontitis...

Introduction Infective endocarditis (IE) is an inflammatory disease usually caused by bacteria that enter the bloodstream and settle in the inner linings or valves of the heart, as well as in blood vessels. Despite modern antimicrobial and surgical treatments, IE continues to cause substantial morbidity and mortality. The oral microbiota has been c...

Introduction Culture-independent molecular studies have shown a broad spectrum of bacterial taxa that persist after chemomechanical procedures (CMP). Therefore, this study systematically reviewed these reports to explore the prevalence of bacteria in post-instrumentation samples of root canals from permanent teeth, specially of as-yet-uncultivated/...

Objectives This study aimed to detect the presence of specific bacteria and to evaluate the levels of lipopolysaccharides (LPS) and lipoteichoic acid (LTA) in symptomatic necrotic root canals associated with acute apical abscess (symptomatic group — GI). It also aimed to compare the findings with those presented by asymptomatic necrotic root canals...

Background This study was conducted to compare the microbiomes, the levels of lipopolysaccharides (LPS), lipoteichoic acid (LTA), and cytokines (interleukin [IL]-1β and tumor necrosis factor-alpha [TNF-α]), before and after chemomechanical preparation (CMP) of the root canals (RC) and their associated periodontal pockets (PP) in teeth with combined...

This study aimed to investigate the prevalence of dental trauma in Brazilian children and adolescents. A systematic review was conducted considering eight databases: MEDLINE (via PubMed), LILACS, BBO, Scopus, Embase, Web of Science, Open Access Theses and Dissertations, and OpenThesis. Only prevalence studies that used a probabilistic sampling meth...

Objective This systematic review assesses the prevalence of microbial complexes in endodontic-periodontal lesion.Materials and methodsNine databases were searched through August 2020. Experts were consulted to indicate additional studies. Studies were blindly selected by two reviewers based on pre-defined eligibility criteria. Studies that evaluate...

Introduction The objective of this study was to monitor the effects of chemomechanical preparation (CMP) performed with 6% sodium hypochlorite and calcium hydroxide-based intracanal medication (ICM) on the levels and diversity of bacteria, endotoxins (LPS) and lipoteichoic acid (LTA) in root canals of teeth with symptomatic irreversible pulpitis....

Objective Fusobacterium nucleatum is an important oral pathogen involved in endodontic infections. This study aimed to assess the frequency of Fusobacterium nucleatum in primary and secondary endodontic infections and its associations with the clinical features in a Brazilian population by using both culture and nested PCR methods. Methods A total...

O objetivo do tratamento endodôntico é prevenir ou eliminar a periodontite apical através da limpeza, modelagem e obturação do sistema de canais radiculares. O preparo químico-mecânico é a etapa do tratamento endodôntico com maior capacidade de promover a redução de microrganismos presente no interior dos canais radiculares. Com o objetivo de super...

The coronavirus outbreak is a global public health emergency with high transmission among the population. Over 18 million people were affected globally (06th August 2020). In most of the cases, patients present flu-like symptoms, such as fever, cough, headaches and myalgias are commonly reported. Lockdown measures have been implemented to control t...

Periodontal and Endodontic diseases are biofilm-related diseases. The presence of microorganisms in root canals (RCs) and the complex microbiota of periodontal pockets (PPs) contribute to the development of endodontic-periodontal diseases. This study performed a systemic analysis using state-of-the-art sequence data to assess the microbial composit...

O objetivo deste estudo foi realizar a proservação dos tratamentos endodônticos, através da observação clínica e radiográfica, o tipo de tratamento foi aplicado, identificar os grupos dentários que foram tratados, verificar quantos casos tiveram sucesso, levantar em quantas sessões foi realizado o tratamento endodôntico, levantar o tipo de medicaçã...

Objectives: To evaluate strains of Enterococcus faecalis isolated from endodontic failures cases for (a) presence of virulence genes, namely, gelatinase production (gelE), surface protein (esp), collagen-binding adhesin (ace), cytolysin activator (cylA), E. faecalis antigen A (efaA) and aggregation substance (asa), all by using PCR; (b) biofilm fo...

This study reports the SARS-CoV-2 outbreak and its impact on dental practice and education in Brazil. A literature review involving medical and dental interests was performed based on recent general findings about the infection (research and relevant guidelines). COVID-19 is a high transmissible, unpredictable systemic disease, involving a viral re...

Aim: The objective of this study was to describe a case series concerning internal bleaching of anterior traumatized teeth that underwent regenerative endodontic procedures (REP). Methods: Seven non-vital maxillary anterior teeth discolored after regenerative endodontic procedures were included and divided into two groups according to the medicatio...

Background/Aim Dental trauma (DT) occurs frequently in children and adolescents. Therefore, understanding the factors associated with its occurrence in these age groups is important to establish specific preventive measures. The aim of this study was to investigate the relationships of lip coverage, overjet, and open bite to dental trauma in Brazil...

Introduction More data are needed before affirming that single-visit approaches are effective and safe for regenerative endodontic procedures (REPs). This study compared clinical and radiographic outcomes of REPs between inter-appointment dressing or single-visit protocols. Methods Twenty young patients presenting traumatized immature teeth with p...

Pulp revascularization is a viable and effective treatment for immature necrotic teeth. The purpose of this case series was to report the outcomes of pulp revascularization using an alternative cervical sealing material (composed by calcium hydroxide, 2% chlorhexidine gel, and zinc oxide), which showed an acceptable clinical and radiographic perfor...

This study aimed to evaluate the impact and operating strategies that the undergraduate dental programs in Brazil have adopted during the COVID-19 pandemic. A web survey approach was performed in May/June 2020. All coordinators of dental programs in Brazil were contacted by e-mail and invited to answer an online questionnaire consisting of eight qu...

This study evaluated the physicochemical, biological, and antimicrobial properties of a new hydraulic calcium silicate-based modified material, and compared it with MTA Repair HP and MTA Angelus. The materials were assessed regarding color luminosity (L), color change, radiopacity, setting time, and ISO 6876:2012 linear flow. Volumetric filling and...

Decontamination of the root canal (RC) system is essential for successful endodontic therapy. In this in vitro study, it was evaluated the disinfection potential of an electrofulguration device, the Endox® Endodontic System (EES), in RC infected with Enterococcus faecalis. Sixty-five human lower premolars were instrumented with MTwo® system. The sp...

Aim: The aim of this study was to evaluate the effect of ethanol-conditioned dentin on endodontic sealer penetration into dentinal tubules by confocal laser scanning microscopy (CLSM). Methods: Forty human maxillary anterior teeth were instrumented and divided into four groups (n = 10) according to the drying methods: 1) wet: vacuum only, 2) paper...

Introduction We verified the association between selected bacterial profiles and levels of cytokines, chemokines and the expression of signs and symptoms of primary endodontic infection with apical periodontitis (PEIAP). Methods Samples were collected from 21 root canals, and macrophages stimulated for 24 h. TNF-α, IL-6, IL-10, IL-12p70, INF-γ, an...

Objective To characterize the microbiota of teeth with endodontic treatment failure by 16S ribosomal RNA genetic sequencing (GS) and PCR at the different phases of the endodontic retreatment and to associate the presence of specific bacteria with clinical and radiographic features in teeth with apical periodontitis.Materials and methodsTwenty infec...

Aims The aim of this study was to systematically review the literature on prevalence of microorganisms and their viability/activity in endodontic periapical lesions. Design Literature research was performed on five electronic biomedical databases from their start dates to June 2020. Only studies evaluating the presence of microorganisms in periapi...

Aim To elucidate the presence of apical periodontitis in the root canal of teeth with secondary/persistent infection, including composition of microbiota, levels of endotoxins and lipoteichoic acid, and clinical implications of these findings. Method ology: Samples were collected from root canals of 50 patients who needed endodontic retreatment an...

This review aims to evaluate whether root canal obturation with calcium silicate-based (CSB) sealers reduces the risk and intensity of endodontic postoperative pain when compared to epoxy resin-based (ERB) sealers. The review was registered at PROSPERO (CRD42020169255). Two independent reviewers conducted an electronic search in PubMed, Scopus, EMB...

Atualmente a escolha de uma adequada restauração de dentes tratados endodonticamente é guiada em parte pela exigência estética. Os pinos intrarradiculares são utilizados quando o remanescente dental não possui um suporte adequado na retenção. Diante das dificuldades para remoção dos pinos de fibra de vidro. O objetivo deste trabalho, in vitro, foi...

Aim: This study has evaluated the residual effect of NaOCl on resin-pulp chamber dentin bond strength after 7 and 14 days, using a three-step etch-and-rinse adhesive system. Methodology: Forty pulp chamber dentin from bovine incisors crowns were randomly allocated to one of the following groups: G1, immersion in 0.9% saline solution for 30 minute...

Objectives To evaluate a new material containing tantalum oxide as an alternative radiopacifier, and a water-based gel for hydration, in comparison with two calcium silicate–based cement: ProRoot MTA and Biodentine.Materials and methodsProRoot MTA (Dentsply), Biodentine (Septodont), and a new hydraulic calcium silicate cement White-MTAFlow (Ultrade...

O objetivo do presente estudo é salientar através de uma revisão de literatura os possíveis cuidados que o cirurgião dentista precisa ter frente aos principais agravos bucais decorrentes do tratamento oncológico. Os trabalhos foram obtidos através dos sistemas de dados PUBMED, MEDLINE, BBO, SCIELO, LILACS, SCIENCE DIRECT, COCHRANE E BBO. A principa...

Aim This cross‐sectional study aimed to investigate the microbial profile and to quantify the levels of endotoxins (LPS) and lipoteichoic acid (LTA) present in periapical lesions associated with root filled teeth and those that had received root canal retreatment. It also aimed to investigate the association between microorganisms and their virulen...

This study compares the clinical success rate and continued radiographic root development of apexification and regenerative endodontic procedure in traumatised immature permanent teeth, and proposes a method to evaluate apical convergence, namely apical angle. Clinical and radiological data were collected from 44 treated teeth (22 with apexificatio...

Abstract Objective Pulp revascularization is an effective treatment for immature necrotic teeth. Calcium hydroxide has been used in pulp revascularization as an intracanal medication due to its antimicrobial action and the non-exhibition of crown discoloration and cytotoxicity for stem cells from the apical papilla. Our study aimed to investigate t...

Streptococcus mutans plays an important role in caries etiology and eventually in systemic infections. However, it is often found in infected root canals but the pathophysiological characteristics of strains residing in this site are largely unkonwn. Here, we characterized strains of S. mutans isolated from root canals of primary (PI) and secondary...

Aim The objective of this study was to evaluate the presence of microorganisms in the root canals (RC) of teeth submitted to endodontic retreatment due to prosthetic reasons and without evidence of apical periodontitis. Material and methods Twenty teeth referred to endodontic retreatment due to prosthetic reasons and without evidence of apical per...

Objectives Evaluate physicochemical, biological, and antimicrobial properties of Grey-MTAFlow (Ultradent) and assess whether the addition of zinc oxide (ZnO) prevents dentinal discoloration caused by bismuth oxide. Methodology Grey-MTAFlow was manipulated in 'thin' consistency for all tests. Luminosity, color change, ion migration to dentine, radi...

Objective Identification of specific bacteria in root canals (RCs) in distinct clinical conditions can support the comprehension of pathological processes. Thus, the objective of this clinical study was to investigate the presence of F. alocis in RCs of teeth with primary endodontic infection (PEI) and with persistent/secondary endodontic infection...

Introduction This study evaluated by molecular microbiology methods the bacterial levels after regenerative endodontic procedures and their correlation with the treatment outcome. Methods Root canal samples of 15 necrotic immature teeth were analyzed by quantitative polymerase chain reaction. Bacteria were counted before treatment (S1), after irri...

Introduction The aim of this in vivo study was to investigate the microbial profile as well as the levels of lipopolysaccharide (LPS) and lipoteichoic acid (LTA) at different phases of endodontic treatment in teeth with vital pulp and associated periodontal disease. Methods Ten patients were selected for this clinical study. Samples were taken fro...

Objective The objective of this work was to investigate in vivo the effects of calcium hydroxide-based intracanal medication (ICM) on the levels of bacteria, pro-inflammatory cytokines (PICs), and matrix metalloproteinases (MMPs) in root canals and periradicular tissues of teeth with failure of the root canal treatment and apical periodontitis. Ma...

This study investigated the effectiveness of XP-Endo Finisher (XPF) associated with XP-Endo Shaper (XPS) or Reciproc Blue (RB) files in reducing bacterial load in oval-shaped root canals (RC) during chemomechanical preparation (CMP) using 0.9% saline solution (NaCl) or 2.5% sodium hypochlorite (NaOCl). Eighty mandibular incisors with single oval-sh...

Objectives The purpose of the present study was to evaluate the effect of calcium hydroxide with 2% chlorhexidine gel (HCX) or distilled water (HCA) compared to triple antibiotic paste (TAP) on push-out bond strength and the cement/dentin interface in canals sealed with White MTA Angelus (WMTA) or Biodentine (BD). Materials and Methods A total of...

As bactérias presentes na cavidade bucal podem causar efeitos danosos ao se aderirem aos dentes. Visando auxiliar a eliminação destes microrganismos surgiram os enxaguatórios bucais. Considerando a importância dos enxaguatórios na higiene bucal, este estudo teve como objetivo avaliar a atividade antimicrobiana de diferentes enxaguatório bucais fren...

O objetivo do estudo foi avaliar a radiopacidade e tempo de presa de cimentos reparativos de alta plasticidade, MTA HP, MTA Flow, MTA Flow + 5% ZnO, e um cimento experimental e comparar com MTA Angelus, MTA Angelus + 5% Óxido de zinco (ZnO) .Métodos A radiopacidade e o tempo de presa foram determinados de acordo com as especificações ISO 6876/2001....

As causas dos traumas podem ser diversas, desde quedas da própria altura, violência física, até acidentes automobilísticos. As lesões dentais traumáticas podem resultar em danos aos tecidos dentários, periodontais e moles. Dependendo da severidade do acidente fraturas aos ossos faciais também podem ocorrer. Este estudo retrospectivo teve como objet...

O objetivo deste estudo é avaliar a resistência de união de materiais bioativos utilizados em selamentos cervicais após diferentes medicações em dentes revitalizados. Dez incisivos centrais superiores permanentes foram selecionados. Os dentes foram seccionados horizontalmente a partir da junção amelodentinária em direção apical, obtendo-se 4 slices...

Traditional endodontic teaching defines overfills as extending the endodontic filling material either laterally or vertically into the attachment apparatus. It could be either a surplus after three-dimensional obturation, which is accepted; or an overextension of gutta-percha, which is related as one of the cause of endodontic failure. The aim of t...

The present study evaluated the effectiveness of XP-Endo Finisher (XPF) associated with XP-Endo Shaper (XPS) or Reciproc Blue (RB) files in the reduction of Enterococcus faecalis in oval-shaped root canals. Eighty mandibular incisors with single oval-shaped root canals were contaminated with E. faecalis for 10 days at 37°C with centrifugation on al...

A deficiência da restauração coronária influencia diretamente o sucesso do tratamento endodôntico. A microinfiltração coronária ocorre nos casos de perda do material restaurador provisório, fratura ou infiltração pela restauração coronária definitiva e cáries recorrentes, permitindo a contaminação do sistema de canais radiculares que pode atingir o...

O trauma dental é um problema de saúde pública devido a sua alta prevalência, afetando aproximadamente 10-35% da população, sendo uma das principais causas de emergência odontológica em crianças e adolescentes. Durante a XXIV Jornada Odontológica de Piracicaba, realizada pela FOP-UNICAMP, o presente estudo foi realizado a fim de investigar a associ...

Evaluate the potential for dental color alteration of high-plasticity cements, MTA HP and MTA Flow, in comparison with MTA Angelus with calcium tungstate as radiopacifier; and alternative the formulations proposed, MTA Flow + 5% zinc oxide (ZnO) and an Experimental cement (powder of tricalcium silicate, bismuth oxide, ZnO and liquid of distilled wa...