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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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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 compare root preparation of deciduous teeth with WaveOne Large (WO) and ProTaper F4 (PT) instruments with or without passive ultrasonic irrigation (PUI). METHODS AND MATERIALS: Forty-eight deciduous teeth were scanned before and after root preparation and divided in four groups (n=12): WO+EDTA (WO); WO+EDTA with PUI (WOPUI); PTF+EDTA (PT); and PT+EDTA with PUI (PTPUI). Root canal enlargement by micro-computed tomography and root canal cleaning by scanning electron microscopy (SEM) were analyzed. Data were submitted to two-way ANOVA and Tukey's tests to analyze the root canal volume variation, and Kruskal-Wallis followed by Friedman and Wilcoxon tests were used to evaluate the cleaning efficacy. The level of significance was set at 0.05. RESULTS: No significant difference occurred in total volume between groups (P>0.05). On analysis by thirds of the root canal, there was a difference in volume between WO (cervical) compared to WO and PT (apical), and PTPUI (middle and apical) (P<0.05). When cleaning of the thirds within the same group was compared, there was a significant difference in all groups (P<0.05). Among the groups, in the thirds, in the cervical a difference occurred (P=0.028), and the pairwise comparisons indicated statistically difference between WO and PT, and WO and PTPUI (P<0.05). In the pairwise comparisons among thirds, in the groups, difrences occured in all of them when compared the cervical and apical thirds (P<0.05). CONCLUSION: Passive ultrasonic irrigation has not improved the smear layer removal in deciduous teeth. Despite the differences in performance between WO and PT instruments, both were suitable for preparation of deciduous teeth.

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Objetivo: avaliar a associação entre doença periodontal, parto prematuro e recém-nascidos de baixo peso, em um grupo de mulheres no município de Curitiba, PR, Brasil. Métodos: no presente caso-controle foram avaliadas 51 mães, com idade entre 16 e 40 anos, divididas em dois grupos: as que tiveram parto prematuro, sendo os recém-nascidos de baixo peso; e as que não tiveram parto prematuro também com recém-nascidos de baixo peso. Foram coletados dados das mães e dos recém-nascidos por meio de questionários e análise de registros médicos. O exame periodontal foi realizado em seis sítios de cada dente presente, com exceção dos terceiros molares. Resultados: foi encontrado que 82,4 porcento das mulheres tiveram partos normais, 25,5 porcento das mães tiveram seus bebês prematuramente, 19,6 porcento dos bebês nasceram com peso inferior a 2 500 g e 5,9 porcento das mulheres tinham doença periodontal. Conclusão: nesta amostra não foi identificada associação entre doença periodontal, parto prematuro e recém-nascidos de baixo peso(AU)

Objetivo: evaluar la asociación entre la enfermedad periodontal, los nacimientos prematuros y recién nacidos con bajo peso en un grupo de mujeres en la ciudad de Curitiba, PR, Brasil. Métodos: en estudio de casos y controles se evaluaron 51 madres, de edades comprendidas entre los 16 y 40 años, divididas en dos grupos: las que habían tenido un parto prematuro y con bajo peso y las que no habían tenido un parto prematuro pero sí bebés con bajo peso. Se recogieron datos de las madres y los recién nacidos a través de cuestionarios y análisis de los registros médicos. El examen periodontal se llevó a cabo en seis sitios de cada diente presente, excepto los terceros molares. Resultados: se encontró que 82,4 por ciento de las mujeres tuvieron un parto normal, el 25,5 pr ciento de las madres tenían a sus bebés antes de tiempo, el 19,6 por ciento de los bebés que nacieron con un peso inferior a 2 500 g, y 5,9 por ciento de las mujeres tenían enfermedad periodontal. Conclusiones: en esta muestra no se identificó ninguna asociación entre la enfermedad periodontal y los partos prematuros y el bajo peso al nacer(AU)

Objective: evaluate the association between periodontal disease, preterm births and low birth weight neonates in a group of women from the city of Curitiba, PR, Brazil. Methods: in this case-control study, an evaluation was conducted of 51 mothers aged 16-40 years divided into two groups: those with a preterm delivery and low birth weight babies, and those without a preterm delivery but with low birth weight babies. Data about the mothers and the neonates were collected via questionnaires and medical record analysis. Periodontal examination was performed at six sites of each tooth present, except for the third molars. Results: it was found that 82.4 percent of the women had had a normal delivery and 25.5 percent a preterm delivery. 19.6 percent of the babies weighed less than 2 500 g at birth, and 5.9 percent of the women had periodontal disease. Conclusions: no association was found in the sample between periodontal disease and preterm delivery and low birth weight(AU)

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Objetivo: avaliar a associação entre doença periodontal, parto prematuro e recém-nascidos de baixo peso, em um grupo de mulheres no município de Curitiba, PR, Brasil. Métodos: no presente caso-controle foram avaliadas 51 mães, com idade entre 16 e 40 anos, divididas em dois grupos: as que tiveram parto prematuro, sendo os recém-nascidos de baixo peso; e as que não tiveram parto prematuro também com recém-nascidos de baixo peso. Foram coletados dados das mães e dos recém-nascidos por meio de questionários e análise de registros médicos. O exame periodontal foi realizado em seis sítios de cada dente presente, com exceção dos terceiros molares. Resultados: foi encontrado que 82,4 porcento das mulheres tiveram partos normais, 25,5 porcento das mães tiveram seus bebês prematuramente, 19,6 porcento dos bebês nasceram com peso inferior a 2 500 g e 5,9 porcento das mulheres tinham doença periodontal. Conclusão: nesta amostra não foi identificada associação entre doença periodontal, parto prematuro e recém-nascidos de baixo peso(AU)

Objetivo: evaluar la asociación entre la enfermedad periodontal, los nacimientos prematuros y recién nacidos con bajo peso en un grupo de mujeres en la ciudad de Curitiba, PR, Brasil. Métodos: en estudio de casos y controles se evaluaron 51 madres, de edades comprendidas entre los 16 y 40 años, divididas en dos grupos: las que habían tenido un parto prematuro y con bajo peso y las que no habían tenido un parto prematuro pero sí bebés con bajo peso. Se recogieron datos de las madres y los recién nacidos a través de cuestionarios y análisis de los registros médicos. El examen periodontal se llevó a cabo en seis sitios de cada diente presente, excepto los terceros molares. Resultados: se encontró que 82,4 por ciento de las mujeres tuvieron un parto normal, el 25,5 pr ciento de las madres tenían a sus bebés antes de tiempo, el 19,6 por ciento de los bebés que nacieron con un peso inferior a 2 500 g, y 5,9 por ciento de las mujeres tenían enfermedad periodontal. Conclusiones: en esta muestra no se identificó ninguna asociación entre la enfermedad periodontal y los partos prematuros y el bajo peso al nacer(AU)

Objective: evaluate the association between periodontal disease, preterm births and low birth weight neonates in a group of women from the city of Curitiba, PR, Brazil. Methods: in this case-control study, an evaluation was conducted of 51 mothers aged 16-40 years divided into two groups: those with a preterm delivery and low birth weight babies, and those without a preterm delivery but with low birth weight babies. Data about the mothers and the neonates were collected via questionnaires and medical record analysis. Periodontal examination was performed at six sites of each tooth present, except for the third molars. Results: it was found that 82.4 percent of the women had had a normal delivery and 25.5 percent a preterm delivery. 19.6 percent of the babies weighed less than 2 500 g at birth, and 5.9 percent of the women had periodontal disease. Conclusions: no association was found in the sample between periodontal disease and preterm delivery and low birth weight(AU)

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