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INTRODUCTION: Pulp stones (PS) are calcifications commonly found in the pulp tissue that may be associated with systemic diseases. OBJECTIVE: To evaluate the association between PS and systemic diseases. METHODS: A case-control study with the inclusion of individuals from 18 to 65 years of age, of both sexes. Analysis was made of 1047 digital panoramic radiographs. The controls could not have any teeth with PS; the cases were the contrary. A questionnaire comprising demographic, habit, and general health (diabetes, problems with blood vessels, altered cholesterol level, heart attack, kidney or gallbladder stone, arthritis, or autoimmune disease, and for women, endometriosis, and ovarian cyst). Data were submitted to the Student's t-test to identify differences between groups about sex and age. The Chi-square test was applied to the cross-tabulation. The analyses were performed using SPSS®, version 25.0, with a 5% significance level. RESULTS: 490 patients participated (242 cases and 248 controls). There was no difference between groups for the sex (p=0.966) and age (p=0.186). Only "kidney stone" was associated with the case group (p=0.001), being almost three times higher when compared to the control group. No significant differences were found in females about the presence or absence of PS (p>0.05). CONCLUSÃO: In this research, it is suggested the existence of an association between kidney stones and the presence of pulp stones.

INTRODUÇÃO: Nódulos pulpares (NP) são calcificações comumente encontradas no tecido pulpar que podem estar associadas a doenças sistêmicas. OBJETIVO: Avaliar a associação entre NP e doenças sistêmicas. MÉTODOS: Estudo caso-controle com inclusão de indivíduos de 18 a 65 anos de idade, de ambos os sexos. Foram analisadas 1047 radiografias panorâmicas digitais. Os controles não poderiam ter dentes com NP; os casos foram o contrário. Foi aplicado um questionário aos participantes, contendo variáveis demográficas, de hábitos e de saúde geral (diabetes, problemas com vasos sanguíneos, nível de colesterol alterado, ataque cardíaco, cálculo renal ou biliar, artrite ou doença autoimune, e para as mulheres, endometrioses e cisto no ovário). Os dados foram submetidos ao teste t de Student para identificar diferenças entre os grupos em relação ao sexo e à idade. O teste Qui-quadrado foi aplicado para a tabulação cruzada. As análises foram realizadas no SPSS®, versão 25.0, com nível de significância de 5%. RESULTADOS: Participaram 490 pacientes (242 casos e 248 controles). Não houve diferença entre os grupos para sexo (p=0,966) e idade (p=0,186). Apenas "cálculo renal" associou-se ao grupo caso (p=0,001), sendo quase três vezes maior quando comparado ao grupo controle. Não foram encontradas diferenças significativas no sexo feminino em relação à presença ou ausência de PS (p>0,05). CONCLUSÃO: Nesta pesquisa, sugere-se a existência de uma associação entre cálculos renais e presença de Nódulos pulpares.

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This study aimed to assess the association between genetic polymorphisms in BMP2 (rs1005464 and rs235768), BMP4 (rs17563), SMAD6 (rs2119261 and rs3934908) and RUNX2 (rs59983488 and rs1200425) and pulp stones (PS). A total of 117 participants, consisting of 63 individuals with PS and 54 without PS, were included. Digital radiographs and a demographic/clinical questionnaire were used. Genomic DNA from salivary cells was genotyped via real-time polymerase chain reaction. Statistical analyses, including Chi-Square, Fisher's exact tests, Poisson regression and dimensionality reduction, were conducted. The rs2119261 polymorphism in the SMAD6 gene showed an association with genotype distribution in the recessive model (p = 0.049). The T-T haplotype in the SMAD6 gene (rs2119261 and rs3934908) was more prevalent in the control group and significantly linked with PS (p = 0.029). No associations were found between PS risk and genetic polymorphisms in BMP2, BMP4 and RUNX2. Polymorphisms in the SMAD6 gene were associated with PS.

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This study aimed to compare the survival of replanted teeth that followed the 2012 or the 2020 International Association of Dental Traumatology (IADT) guidelines. Sixty-two permanent replanted teeth were retrospectively assessed (IADT 2012, n = 45; IADT 2020, n = 17). Five years after replantation (from January 2017 to December 2021), clinical and radiographic examinations were performed. A significance level of 95% was considered to evaluate the outcomes. Thirty-one teeth (50.0%) remained in their sockets and 31 (50.0%) were lost due to external root resorption. Of the 25 (40.3%) teeth replanted within one hour, 16 (64.0%) remained in their sockets, and 9 (36.0%) were lost. Twenty-two (71.0%) of all 31 lost teeth had an extra-alveolar time of more than one hour. Twelve teeth remained in their sockets without resorption: 8 (66.7%) were replanted within one hour, 2 (16.7%) followed the 2012 IADT, and 2 (16.7%) the 2020 IADT guidelines for late replantation. There was a significant difference (p <0.05) in the extra-alveolar time (< one hour), but without difference between the guidelines in late replantation (p > 0.05). Replanted teeth following both, 2012 or 2020 IADT guidelines, have similar clinical outcomes. The extra-alveolar time of less than one hour was demonstrated to be important to keep the permanent tooth in its socket.

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OBJECTIVE: To compare the fatigue resistance of different heat-treated reciprocating instruments tested in a dynamic cyclic fatigue model. METHODS: Forty-eight new instruments were inspected under magnification and selected for this study, and then divided as follows (n=12): X1 Blue (MK Life, Porto Alegre, RS, Brazil), Pro-R (MK Life), Reciproc (VDW, Munich, Germany), and Reciproc Blue (VDW). Artificial canals presenting a curvature of 60° angle and 5 mm radius were milled in zirconia. The block containing the artificial canals was mounted in a container filled with water kept at 37°C. A specially designed device was used to perform controlled axial movements while the instruments were activated inside the canals. Time to failure was recorded in seconds, and fragment lengths were measured (mm). Data were analyzed statistically with the significance level set at 5% (One-Way ANOVA and Tukey test). RESULTS: Pro-R and Reciproc Blue instruments presented the highest fatigue resistance, being significantly different from the other tested files (p<0.05). Reciproc presented intermediate results, significantly different X1 Blue (p<0.05). The fractographic analysis showed typical features of cyclic fatigue for all instruments. CONCLUSION: Pro-R and Reciproc Blue instruments are more resistant to dynamic cyclic fatigue than the Reciproc and X1 Blue. (EEJ-2022-10-124).

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Abstract This study aimed to compare the survival of replanted teeth that followed the 2012 or the 2020 International Association of Dental Traumatology (IADT) guidelines. Sixty-two permanent replanted teeth were retrospectively assessed (IADT 2012, n = 45; IADT 2020, n = 17). Five years after replantation (from January 2017 to December 2021), clinical and radiographic examinations were performed. A significance level of 95% was considered to evaluate the outcomes. Thirty-one teeth (50.0%) remained in their sockets and 31 (50.0%) were lost due to external root resorption. Of the 25 (40.3%) teeth replanted within one hour, 16 (64.0%) remained in their sockets, and 9 (36.0%) were lost. Twenty-two (71.0%) of all 31 lost teeth had an extra-alveolar time of more than one hour. Twelve teeth remained in their sockets without resorption: 8 (66.7%) were replanted within one hour, 2 (16.7%) followed the 2012 IADT, and 2 (16.7%) the 2020 IADT guidelines for late replantation. There was a significant difference (p <0.05) in the extra-alveolar time (< one hour), but without difference between the guidelines in late replantation (p > 0.05). Replanted teeth following both, 2012 or 2020 IADT guidelines, have similar clinical outcomes. The extra-alveolar time of less than one hour was demonstrated to be important to keep the permanent tooth in its socket.

Resumo Este estudo teve como objetivo comparar a sobrevida, por cinco anos, de dentes reimplantados que seguiram as diretrizes de 2012 ou 2020 da International Association of Dental Traumatology (IADT). Sessenta e dois dentes permanentes reimplantados foram avaliados retrospectivamente (IADT 2012, n = 45; IADT 2020, n = 17). Cinco anos após o reimplante, foram realizados exames clínicos e radiográficos. Foi considerado um nível de significância de 95% para avaliar os desfechos. Trinta e um dentes (50,0%) permaneceram em seus alvéolos e 31 (50,0%) foram perdidos por reabsorção radicular externa. Dos 25 (40,3%) dentes reimplantados em uma hora, 16 (64,0%) permaneceram em seus alvéolos e 9 (36,0%) foram perdidos. Vinte e dois (71,0%) de todos os 31 dentes perdidos tiveram um tempo extra-alveolar superior a uma hora. Doze dentes permaneceram em seus alvéolos sem reabsorção: 8 (66,7%) foram reimplantados em uma hora, 2 (16,7%) seguiram a IADT de 2012 e 2 (16,7%) as diretrizes da IADT de 2020 para reimplante tardio. Houve diferença significativa (p<0,05) no tempo extra-alveolar (< uma hora), mas sem diferença entre as diretrizes no reimplante tardio (p > 0,05). Dentes reimplantados seguindo as diretrizes de 2012 ou 2020 da IADT, tiveram taxas de sucesso semelhantes. O tempo extra-alveolar inferior a uma hora demonstrou ser importante para manter o dente permanente em seu alvéolo.

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Aim: To compare the influence of two methods of agitation of endodontics irrigants, by diffusion of calcium hydroxide [Ca(OH)2] through the dentinal tubules, measuring the pH of the medium where they were kept. Methods: Twenty mandibular incisors were prepared using a WaveOne Gold Large file, in a reciprocating movement, and then divided into (n = 10): gutta-percha cone (GPC) or Easy Clean system (ECS) agitation of 1% sodium hypochlorite and 17% ethylenediaminetetraacetic acid. The specimens were filled with Ca(OH)2 paste, placed in flasks with 4 mL of deionized water, and stored in an incubator. The pH was read using a digital pH meter immediately after storage (T0), after 7 (T1), 14 (T2), 21 (T3), and 35 (T4) days. Results: Statistical difference between groups was observed regardless of the day pH was measured (p < 0.01). From T2 on, ECS presented higher pH values in comparison with GPC, with significant difference (p < 0.01). Conclusion: Agitation of endodontic irrigants with ECS enhances the Ca(OH)2 diffusion, providing higher pH values, from the 14th day on, when compared with GPC

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Aim: The aim of the study was to evaluate the cleaning of mandibular incisors with WaveOne Gold® (WO) under different preparation techniques. Methods: A total of 210 human mandibular incisors were selected and divided into seven groups (n = 30), prepared by WO single-files (Small 20/.07 ­ WOS; Primary 25/.07 ­ WOP; Medium 35/.06 ­ WOM; or Large 45/.05 - WOL) and sequential-file techniques (WOS to WOP; WOS to WOM; and WOS to WOL). Further subdivision was made according to irrigation protocol: control group (manual irrigation - CON), E1 Irrisonic® - EIR, and EDDY® - EDD. Debris removal and the smear layer were evaluated by scanning electron microscopy. Data were analyzed by using Spearman's correlation test. The significance level was set at 5%. Results: For debris and smear layer removal, WOS and WOP, EIR differed from CON and EDD (p <0.05). Conclusion: Regardless of the instrumentation used, the agitation of the irrigant solution provided better cleanability. These findings reinforce the need for agitation techniques as adjuvants in cleaning root canal systems in mandibular incisors

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AIM: The aim of the study was to compare the ability of three endodontic sealers, Endofill (END), AH Plus (AHP), and Sealer Plus BC (SPB), to penetrate dentinal tubules. MATERIALS AND METHODS: Forty-five human teeth, single-rooted and previously instrumented mandibular premolars, were randomly divided into three experimental groups (n = 15): END (n = 15), AHP (n = 15), and SPB (n = 15). After obturation, dental sections were performed horizontally, at 2 and 5 mm from the root apex. The samples were analyzed by scanning electron microscopy associated with cathodoluminescence. Percentage penetration (PP%) and maximum penetration depth (MPD) of the sealers were evaluated by the Kruskal-Wallis and Mann-Whitney tests, for general and paired data, respectively. The Wilcoxon test was applied to analyze the differences between the 5 and 2 mm distances. A 5% significance level was adopted. RESULTS: As for PP%, AHP and SPB were similar (p = 0.127) and presented higher values than END (AHP, p = 0.024 and SPB, p <0.001); with regard to MPD, AHP and SPB did not differ either (p = 0.450), but were higher than END (p <0.001); in both analyses, penetration was greater at 5 mm than at 2 mm (p <0.001). CONCLUSION: SPB showed satisfactory performance in penetrating dentinal tubules, being similar to AHP, and superior to END. CLINICAL SIGNIFICANCE: Greater penetration of sealer into the dentinal tubules may increase the chance of successful endodontic treatment.

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AIM: To assess the influence of remnants of filling material on hydroxyl ion diffusion from calcium hydroxide (CH) paste, measured by the pH value, in retreated teeth. MATERIALS AND METHODS: A total of 120 single-rooted extracted teeth were prepared up to a size 35 hand file and filled. For retreatment, the specimens were divided into four groups (n = 20): ProTaper Universal Retreatment (PUR), PUR with additional instrumentation (PURA), Mtwo Retreatment (MTWR), and MTWR with additional instrumentation (MTWRA). Negative (NEG) and positive (POS) control groups were composed by 20 specimens each one. The specimens, except NEG, were filled with CH paste. The retreated groups were scanned using cone-beam computed tomography (CBCT) for analysis of filling remnants. The pH assessment was performed at the baseline, after seven, 21, 45, and 60 days of immersion in saline. Data were analyzed using Shapiro-Wilk and Levene's test, followed by a two-way analysis of variance (ANOVA) and Tukey's test. RESULTS: Additional instrumentation (PURA and MTWRA) were superior regarding removal of the filling material (p <0.05); however, without significant difference (p >0.05). The mean pH value in all groups increased (p <0.05). After 60 days, no statistical difference was observed among POS and PURA; and MTWR and MTWRA. There was less diffusion of hydroxyl ions when the amount of remnants was greater than 59%. CONCLUSION: Additional instrumentation improved the ability to remove filling material in both systems. All groups presented increasing pH; however, the higher the amount of remnants, the lower the diffusion of hydroxyl ions. CLINICAL SIGNIFICANCE: The amount of remnants allows less diffusion of calcium hydroxyl ions. Thus, additional instrumentation improves the ability to remove these materials.

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Objetivo:Fazer uma revisão integrativa a respeito do atendimento de pacientes com necessidades especiais (PNE) em Centros de Especialidades Odontológicas (CEO) no Brasil. Métodos: Para as buscas nas bases eletrônicas PubMed, BBO e LILACS, e Google Scholar, foram utilizados em português, espanhol e inglês, os descritores e termos livres: "pessoas com deficiência", "pessoa com necessidade especial", "pessoa com incapacidade", odontologia, "atenção secundária à saúde", "atenção secundária", "centro de especialidades odontológicas", CEO, "disabled persons", handicapped, "people with disabilities", dentistry, "secondary care", "dental specialty center" ,"secondary care centers", "personas con discapacidad", "atención secundaria de salud" e "centro de especialidad dental". Não foi feita restrição quanto ao idioma, mas o período consultado foi de 2016 a 2021. Incialmente foram excluídas as duplicatas, em seguida os textos cujos títulos e resumos não estivessem de acordo com os critéios de inclusão. Uma vez eleitos os textos a serem incluídos após leitura na íntegra, foi feita a extração dos dados de interesse: autor (ano), tipo de estudo, caracterização da amostra, local, objetivo, resultados principais e conclusão. A análise da qualidade metodológica e do risco de viés dos estudos foi feita por meio da ferramenta Quality Assessment Tool for Quantitative Studies do Effective Public Health Practice Project. Resultados: De 383 estudos, cinco foram incluídos. As barreiras mencionadas que dificultam o acesso dos PNE aos CEO se referiram a questões socioeconômicas e demográficas, localização dos CEO, escassez de recursos financeiros, limitações para acessibilidade e qualificaçao profissional deficitária para a prestação dos atendimentos. A qualidade metodológica foi considerada fraca em todos os estudos, o que indica alto risco de viés. Conclusão: Mesmo com a evolução gradativa do atendimento dos PNE nos CEO, ainda há aprimoramentos necessários, tanto em relação à qualificação dos profissionais para que tenham conhecimento e manejo para realizar os atendimentos seguindo os protocolos necessários, quanto à melhoria do acesso para esses pacientes.

Aim: To conduct an integrative review regarding the care provided to patients with special needs (PSN) in Dental Specialty Centers (DSCs) in Brazil. Methods: To perform searches in the PubMed, BBO and LILACS, and Google Scholar electronic databases, the following descriptors and free terms were used, in three languages of Portuguese, Spanish, and English: "pessoas com deficiência", "pessoa com necessidade especial", "pessoa com incapacidade", odontologia, "atenção secundária à saúde", "atenção secundária", "centro de especialidades odontológicas", CEO, "disabled persons", handicapped, "people with disabilities", dentistry, "secondary care", "dental specialty center" ,"secondary care centers", "personas con discapacidad", "atención secundaria de salud" e "centro de especialidad dental". No language restriction was made, but the period consulted was from 2016 to 2021. First, duplicates were excluded. After, texts whose titles and abstracts did not comply with the inclusion criteria were also excluded. Once the included texts had been chosen, and after reading them in full, the data of interest was extracted: author (year), type of study, sample characterization, location, objective, main results, and conclusion. The Quality Assessment Tool for Quantitative Studies of the Effective Public Health Practice Project was used to analyze the methodological quality and risk of bias found in the studies. Results: Of the 383 studies, five were included. The barriers that make it difficult for PSNs to access DSCs are related to socioeconomic and demographic issues, the location of DSCs, the scarcity of financial resources, limitations in accessibility, and deficient professional qualification to provide proper care. Methodological quality was considered weak in all studies (100%), with a high risk of bias. Conclusion: Even with the gradual evolution of the care provided to PSNs in DSCs, improvements are still necessary, both in relation to the qualification of professionals so that they have the knowledge and handling necessary to perform the care following the necessary protocols, as well as the improvement of access for these patients.

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Introduction: Oral lichen planus is a chronic inflammatory disease affecting the mucosa. Objective: To report a clinical case of oral lichen planus in gingiva whose removal was carried out by the de-epithelialization technique of the affected areas. Case report: A 56-year-old female patient presented white plaques upon clinical examination that could not be removed by scraping. The treatment plan involved a biopsy and lesion removal by de-epithelialization, procedure not described in the literature up to date. This technique consisted of the removal of the plaques with the epithelial tissue from the gingiva using a 15c blade, leaving the connective tissue exposed. Clinical follow-up was performed at 3 and 10 days, and at 2, 3 and 15 months. Conclusions: De-epithelialization was a resolutive esthetic intervention for the case presented(AU)

Introducción: El liquen plano oral es una enfermedad inflamatoria crónica que afecta a la mucosa. Objetivo: Reportar un caso clínico de liquen plano oral en encía cuya extirpación se realizó mediante la técnica de desepitelización de las áreas afectadas. Reporte de caso: Una paciente de 56 años presentaba placas blancas en el examen clínico que no podían eliminarse con raspado. El plan de tratamiento consistió en una biopsia y extirpación de la lesión por desepitelización, procedimiento no descrito hasta la fecha en la literatura. Esta técnica consistió en la eliminación de las placas con el tejido epitelial de la encía utilizando una cuchilla de 15c, dejando expuesto el tejido conectivo. El seguimiento clínico se realizó a los 3 y 10 días, ya los 2, 3 y 15 meses. Conclusiones: La desepitelización fue una intervención estética resolutiva para el caso presentado(AU)

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Aim: To evaluate the apical extrusion of debris in flat-oval canals, using three reciprocating systems at two different working lengths (WL), 0 mm and 1 mm from the apical foramen. Methods: Ninety mandibular incisors were randomly divided into three groups based on the systems: WaveOne Gold #25.07 (WOG), ProDesign R #25.06 (PDR), and X1 Blue #25.06 (X1B). Extruded debris were collected and dried in pre-weighed Eppendorf tubes. Three consecutive weighings were performed for each tube, and the mean was calculated. If the assumptions of normality and homogeneity of variance were not met, the Kruskal-Wallis test was used to analyze the amount of extruded debris between groups with the same WL, and the Mann-Whitney U test was used for comparison within groups for each WL. Results: All groups had extruded debris, with higher median values occurring at 1 mm. No significant difference regarding the amount of debris extrusion was observed at 0 mm (p>0.05) and 1 mm (p>0.05) between groups. However, within the groups, at different WL, there was greater extrusion at 1 mm (p<0.05), with PDR differing significantly from the other systems (p<0.05). Conclusion: The extrusion of debris occurred regardless of the group, with higher values at 1 mm. However, using PDR at 1 mm from the apical foramen showed the highest values of extrusion

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O estágio supervisionado em serviço público de saúde é o momento no qual o estudante pode colocar em prática toda a sua carga recebida de teoria em diferentes cenários comunitários. A proposta deste estudo foi analisar se a percepção dos estudantes do curso de Odontologia acerca dessa modalidade de estágio está de acordo com os objetivos de aprendizagem da disciplina de Estágio Supervisionado em Serviço de Saúde (ESSS) de uma universidade privada de Curitiba/PRe com as Diretrizes Curriculares Nacionais (DCN). O desenho desteestudo foi o transversal quali-quantitativo. Uma amostra de conveniência contou com 135 estudantes do último ano do curso, de ambos os gêneros e turnos, que haviam concluído a disciplina de ESSSno ano de 2018. Os participantes responderam a um questionário padrão, o qual é entregue ao término do estágio. As perguntas abertas foram analisadas por meio da análise de conteúdo proposta por Bardin e as categorias de análises foram estruturadas de acordo com as competências gerais descritas nas DCN: atenção à saúde, tomada de decisão, comunicação, liderança, administração e gerenciamento e educação permanente. A questão fechada foi analisada, quantitativamente, pela medida de frequências, em SPSS versão 21.0. Os estudantes afirmaram que puderam desenvolver habilidades e competências quecorroboram o disposto nos objetivos de aprendizagem da disciplina de ESSS e nas DCN. A classificação do estágio como excelente foi feita por 80,0% dos pesquisados.Concluiu-se que a percepção dos estudantes acerca do estágio está em consonância com o proposto nos documentos que o norteiam (AU).

Supervised internshipsin public health servicesarethe moment when studentscan put into practice in different community settingsall the theory they have learned. The purpose of this study was to analyze whetherdental students'perceptions about this type of internshiparein accordance with the learning objectives of theSupervised Health Service Internship(SHSI) disciplineand the National Curriculum Guidelines (NCG)(Diretrizes Curriculares Nacionais)for Dentistry. This study had a mixed qualitative and quantitative cross-sectionaldesign. A convenience sample of 135 students from the final year of the course, of both genders and from each of the two course shifts, had finishedtheir(SHSI) in 2018. Participants completed a standard questionnaire, which is administered at the end of the internship. The answers to the open-endedquestions were analyzed using content analysis as proposed by Bardin and the categories of analysis were structured according to the general competencies described in the NCG: health care, decision making, communication, leadership, administration and management,and continuing education. The answers to the closed-endedquestion wereanalyzed quantitatively by measuring frequencies in SPSSversion 21.0. The students stated that they were able to develop skills and competencies in keeping with the provisions of thelearning objectives of the SHSIdiscipline and the NCG. The internshipwas classified as excellent by 80.0% of respondents. The conclusion was reached that the students' perception about the internshipis in line with what is proposed in the documents that guide it (AU).

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BACKGROUND: Dental trauma affects especially schoolchildren and adolescents. Educators, the responsible for the first appointment, have a fundamental role in the prognosis of dental avulsion that occurred in this environment. AIM: To evaluate the educational approaches for assessing knowledge and actions in response to dental avulsion among educators. SETTINGS AND DESIGN: This cross-sectional and quanti-qualitative study included 197 teachers and 24 pedagogical coordinators (PCs), from the public schools of Pato Branco, Paraná, Brazil. METHODS: A questionnaire was initially administered regarding the knowledge about avulsion to all participants. Teachers just read a manual and answered the questionnaire after 30 days. PCs were divided into (n = 12): G1 - manual + fictitious scenario of avulsion and G2 - active methodology + fictitious scenario. The questionnaire was re-administered to all. STATISTICAL ANALYSIS: Quantitative data were analyzed statistically. For the qualitative stage, two questions were proposed and the Bardin's analysis was performed. RESULTS: For teachers, knowledge about avulsion increased after the intervention (P < 0.001), except as related to cleaning the tooth (P = 0.21). Activities involving G1 and G2 also led to an increase in knowledge, but no difference occurred in this increase between the approaches (P = 0.14). Qualitative analysis highlighted the need for calm and for performing actions that could favor a good prognosis in cases of avulsion. CONCLUSIONS: The level of knowledge increased after interventions, but no significant differences between the educational approaches were found.

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Objetivo: Delinear o perfil de usuários que aguardam na lista de espera pelo atendimento odontológico especializado em Endodontia em dois Centros de Especialidades Odontológicas (CEO) do município de Curitiba, Paraná. Métodos. Neste estudo transversal foram coletados e classificados dados de 7072 usuários conforme gênero, idade, Distrito Sanitário (DS) em que o atendimento básico foi prestado e data de entrada na lista de espera. Os dados foram submetidos aos testes Qui-quadrado para independência, seguidos do teste de acompanhamento de resíduos ajustados de Marascuilo. Resultados: Dos usuários pesquisados que aguardavam, 63,0% eram mulheres. A faixa etária prevalente foi de 15 a 34 anos (p<0,05). Diferença estatisticamente significativa foi encontrada quanto aos atendimentos nos DS (p<0,05). O DS Matriz teve a menor frequência de inclusão na lista de espera em comparação com os demais; já os DS Bairro Novo (13,5%), Cidade Industrial de Curitiba (13,7%), Boa Vista (14,5%), Boqueirão (14,8%) e Pinheirinho (15,2%) apresentaram as maiores frequências. Por fim, em relação aos atendimentos na série temporal, diferença significativa entre os meses foi identificada (p<0,01). Conclusão: O perfil dos usuários encontrados na lista de espera para atendimento endodôntico em Curitiba, no período analisado, conta com maior prevalência de mulheres, de indivíduos entre 15 a 34 anos, distribuídos de maneira desigual dentre os DS e meses do ano, sendo este último dado resultante de ações da Secretaria Municipal de Saúde.

Objective: The aim of this study was to delineate the profile of users in the waiting list for specialized endodontic dental care in two Dental Specialty Centers (DSC) of the city of Curitiba, Paraná. Methods: In this cross-sectional study, data from 7,072 users were collected and classified according to gender, age, Sanitary District (SD), and date of entry in the waiting list. Data were submitted to Chi-square tests for independence, followed by Marascuilo's adjusted residuals test. Results: Of the users on the waiting list surveyed, 63.0% were women. The prevalent age group was 15- to 34 years (p<0.05). Statistical difference was found regarding attendance at the SD (p<0.05). The SD Matriz had the lowest frequency of inclusion in the waiting list compared to the others; SD Bairro Novo (13.5%), Cidade Industrial de Curitiba (13.7%), Boa Vista (14.5%), Boqueirão (14.8%) and Pinheirinho (15.2%) presented the highest frequencies. Finally, regarding the time series attendances, a significant difference between the months was identified (p <0.01). Conclusion: The profile of users found in the waiting list for endodontic care in Curitiba, during the analyzed period, has a higher prevalence of women, between 15 and 34 years old, and unequally distributed among the SD and months of the year, the latter being the result of actions of the Municipal Health Office.

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O objetivo da presente pesquisa foi traçar o perfil sociodemográfico, comportamental e a autopercepção da condição de saúde de moradores adultos do Distrito Ferraria, localizado no município de Campo Largo, Paraná, Brasil. Com desenho transversal de base populacional, aplicou-se um questionário aos residentes, composto de dados socioeconômicos (classe social, escolaridade, profissão e renda), demográficos (sexo, cor da pele, idade e estado civil) e comportamentais (consumo de álcool, atividade física e morbidades), além da autopercepção da condição de saúde, de moradia e segurança. Os dados obtidos foram tabulados e expressos em frequências. Um total de 373 indivíduos foi avaliado, com média de idade de 48,9 anos. A maioria foi composta de mulheres (73,2%) e de brancos (63,5%), com ensino fundamental incompleto, e média de renda familiar de R$ 1928,25. No momento da coleta, 32,2% se encontravam desempregados. Quanto à qualidade de vida, 57,6% a avaliaram como boa. Dentre as condições de saúde e hábitos comportamentais, destacaram- se os casos de hipertensão (42,0%) e uso de cigarro (70,0%). Em relação às condições de moradia, a maioria (n = 265; 76,0%) relatou estar "satisfeito" e "muito satisfeito", enquanto em relação à segurança durante o dia e à noite, as respostas se concentraram na categoria "às vezes", em ambas. Concluiu-se que o perfil da amostra analisada condiz com o de localidades que tem certo grau de satisfação, mas que ainda carece de melhorias em diversos aspectos, sendo eles sociais, econômicos e de infraestrutura. Este estudo poderá ser útil para o direcionamento de ações das organizações responsáveis pelas demandas mais urgentes dessa comunidade.

Our study aimed at tracing the sociodemographic, behavioral profile and self-perception of the health condition of adult residents of the Ferraria District, located in the municipality of Campo Largo, Paraná, Brazil. With a cross-sectional population-based design,questionnaire was applied to residents, composed of socioeconomic data (social class, education, profession and income), demographic (sex, skin color, age and marital status) and behavioral (alcohol consumption, physical activity and morbidities), in addition to self-perception of health, housing and safety conditions. The data obtained were tabulated and expressed in frequencies. In total, 373 individuals were evaluated, with a mean age of 48.9 years. The most were women (73.2%) and white (63.5%), with incomplete middle school, and average family income of R$ 1,928.25. At the time of collection, 32.2% were unem - ployed. Regarding quality of life, 57.6% rated it as good. Among the health conditions and behavioral habits, the cases of hypertension stood out (42.0%) and cigarette smoke (70.0%). Regarding housing conditions, the most (n = 265; 76.0%) reported being "satisfied" and "very satisfied", while regarding safety during the day and at night, the answers focused on the category "sometimes", in both. We concluded that the profile of the sample analyzed is consistent with that of localities that have a certain degree of satisfaction, but that still lacks improvements in several aspects, such as those social, economic and infrastructure. Our study may be useful for directing actions of the organizations responsible for the most urgent demands of this community.

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RESUMO Objetivo Avaliar o perfil do usuário e o tempo de espera para tratamento endodôntico no Centro de Especialidade Odontológicas (CEO) Positivo, localizado na cidade de Curitiba, PR. Brasil. Métodos Este estudo transversal utilizou dados primários de 77 pacientes que aguardavam na fila de espera para a especialidade de Endodontia, de março a de julho de 2017. Os dados coletados foram: tempo de espera, gênero, idade, dentes referenciados e quantidade de encaminhamentos por Unidade de Saúde do serviço público. Resultados O tempo médio de espera foi de aproximadamente 11 meses. Do total, 56% eram do gênero feminino, com média de idade de 35,5 anos. Os dentes mais referenciados foram os póstero-inferiores. Conclusão O tempo na fila de espera é considerado longo, o que requer maior diálogo com a atenção básica para a formulação de estratégias voltadas à redução dos agravos bucais e à maior capacitação profissional para diagnóstico e condução dos casos.

ABSTRACT Objective To evaluate the user's profile and waiting time for endodontic treatment at the Center of Dental Specialties (CDS) Positivo, located in the city of Curitiba, PR. Brazil. Methods This is a cross-sectional study using primary data from 77 patients queue specialty of Endodontics, from March to July 2017. Data collected were: waiting time, sex, age, referenced teeth and number of referrals per Public Service Health Unit. Results The mean waiting time was approximately 11 months. Of the total, 56% were female, with a mean age of 35.5 years. The most referenced teeth were the lower posterior. Conclusion Waiting time in queue is considered long, which requires a greater dialogue with the primary attention for the formulation of strategies aimed at the reduction of the oral diseases and the greater professional capacity for the diagnosis and the conduction of the cases.

RESUMEN Objetivo Evaluar el perfil de usuario y el tiempo de espera para tratamiento endodóncico en el Centro de Especialidad Odontológica (CEO) Positivo, localizado en la ciudad de Curitiba, PR. Brasil. Métodos Este estudio transversal utilizó datos primarios de 77 pacientes en lista de espera para la especialidad de Endodoncia, de marzo a julio de 2017. Los datos recolectados fueron: tiempo de espera, género, edad, dientes referenciados y cantidad de encaminamientos por Unidad de Salud del Servicio Público. Resultados El tiempo promedio de espera fue de aproximadamente 11 meses. Del total, 56% eran del género femenino, con promedio de edad de 35,5 años. Los dientes más referenciados fueron los postero-inferiores. Conclusión El tiempo en la lista de espera es considerado largo, lo que requiere mayor diálogo con la atención básica para la formulación de estrategias dirigidas de reducción de las enfermedades bucales y la mayor capacitación profesional para diagnóstico y conducción de los casos.

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INTRODUCTION: The aim of this study was to evaluate the postoperative pain in patients after endodontic treatment using 8.25% sodium hypochlorite (NaOCl) compared with other concentrations and 2% chlorhexidine (CHX). METHODS: In this double-blind randomized trial, 180 patients were evaluated who underwent a single session of endodontic treatment under irrigation with 2.5%, 5.25%, or 8.25% NaOCl or 2% CHX solutions. The presence of postoperative pain was assessed 24, 48, and 72 hours after treatment and recorded using the visual analog scale (VAS). A descriptive analysis, logistic regression, and Wald test were performed. RESULTS: Altogether 169 patients participated, of whom 107 were women, and the mean age was 38.1 ± 14.4 years. No significant differences occurred between the irrigants and the pain outcomes, not even for the use of postoperative pain medication and responses to VAS (P > .05). In the multivariate model including irrigants, after 24 hours or at any time, a significant difference (P < .05) remained in preparation time ≥10 minutes and the presence of overfilling. Also, in relation to the VAS, the overfilling presented significantly different results (P < .05). CONCLUSIONS: There was no significant difference in the presence of postoperative pain between the 8.25% NaOCl and the other irrigation solutions. However, the extended preparation time and the overfilling material were responsible for the increase of postoperative pain.

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The biocompatibility of irrigant solutions, including 8.25% sodium hypochlorite (NaOCl), was analyzed in samples (n = 25) of chorioallantoic membranes (CAM) from embryos of the Gallus gallus, using the hen's egg test on chorioallantoic membrane (HET-CAM). The following irrigants were tested: saline (control), 2% chlorhexidine (2% CHX), and NaOCl (2.5%, 5.25%, and 8.25%), and morphological and microcirculatory changes were investigated. Images were selected and quantified with Image J®. The macroscopic data were submitted to ANOVA, followed by the Tukey's test (p < .05); non-parametric Kruskal-Wallis and Mann-Whitney tests were applied to histological data (p < .05). The frequency of hyperemia differed significantly in the 8.25% NaOCl compared to the other groups, with the exception of 5.25% NaOCl (p = .096). Coagulation was more frequent in the 2% CHX group, differing significantly from the 2.5% NaOCl group (p = .038). In mean values, NaOCl 8.25% caused the decrease (NaOCl = 2.60, and control = 5.00) of vessels in the microcirculation, as well as triggered the increase (NaOCl = 425.50, and control 44.50) of inflammatory cells in the observed areas. There was necrosis in all samples in the 5.25% NaOCl group and in 80% in the 2% CHX, 2.5% NaOCl, and 8.25% NaOCl groups. Fibroblasts were detected only in the control group. It was concluded that the 8.25% NaOCl solution showed significantly high toxicity on CAM. However, these results were comparable to the other concentrations of NaOCl and to 2% CHX. Thus, in this experimental protocol, 8.25% NaOCl proved to be viable as an irrigant solution.

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