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1.
Braz. dent. sci ; 23(3): 1-7, 2020. tab
Article in English | BBO, LILACS | ID: biblio-1117366

ABSTRACT

Objective: The purpose of this study was to determine endodontists, pedodontists and general dentists' knowledge of management of dental trauma. Material and methods: A web-based survey including 13 questions was prepared using Google forms, and a link to the survey was sent to the general dentists, endodontists and paediatric dentists via social media. The questionnaire asked for information regarding the age, gender, state of education, type of institution and knowledge levels about dental traumas. A total of 258 questionnaires were returned, and the One-Way Anova for practitioners' knowledge and the statistical analysis of the relationship between gender, vocational training and training by using Mann-Whitney U tests for participants. Results: As a result of statistical analysis, although there was no statistical difference between pedodontists and endodontists in their knowledge levels, it was found that both occupational groups had higher knowledge level than general dentists (p = 0,0001). While there was a significant difference between practitioners at university and oral and dental health hospital (p = 0.0001), there was no difference between practitioners in university hospital and private office (p = 0.065). Conclusions:In conclusion, general dentists had knowledge of inadequate dental trauma management and the knowledge level of dentists working at oral and dental hospital was lowe (AU)


Objetivo: O objetivo deste estudo foi determinar o conhecimento de dentistas clínicos gerais endodontistas, odontopediatras sobre o tratamento de traumatismos dentários. Material e métodos: Uma pesquisa na Web, incluindo 13 perguntas, foi preparada utilizando os formulários do Google. Um link para a pesquisa foi enviado aos dentistas clínicos gerais, endodontistas e odontopediatras via mídia social. O questionário solicitou informações sobre idade, sexo, estado da educação, tipo de instituição e níveis de conhecimento sobre traumas dentários. Um total de 258 questionários foram devolvidos e o One-way ANOVA foi utilizado para avaliar o conhecimento dos profissionais e a análise estatística da relação entre gênero, treinamento vocacional e treinamento foi realizada utilizando o teste de Mann-Whitney. Resultados: como resultado da análise estatística, embora não tenha havido diferença estatística entre pediatra e endodontista em seus níveis de conhecimento, verificou-se que ambos os grupos ocupacionais apresentaram maior nível de conhecimento que os dentistas em geral (p = 0,0001). Embora tenha havido uma diferença significativa entre os profissionais da universidade e o hospital de saúde bucal e odontológico (p = 0,0001), não houve diferença entre os profissionais do hospital universitário e consultório particular (p = 0,065). Conclusões: Em conclusão, os dentistas clíncos-gerais tinham conhecimento de tratamento inadequado do traumatismo dentário e o nível de conhecimento dos dentistas que trabalhavam nos hospitais odontológicos era menor. (AU)


Subject(s)
Tooth Injuries , Dentists , Endodontists
2.
J. appl. oral sci ; 28: e20200259, 2020. graf
Article in English | LILACS, BBO | ID: biblio-1134797

ABSTRACT

Abstract Mineralization-promoting peptides are attractive candidates for new remineralization systems. In previous studies, peptides have been applied as aqueous solutions, which is not a clinically relevant form. Objective This study aims to investigate the efficiency of a mineralization-promoting peptide, applied in varnish, on remineralizing artificial caries on primary teeth. Methodology 55 primary molars were collected. Specimens were immersed in a demineralizing solution for 7 days and then, divided into 7 groups: Baseline: No-remineralization, Placebo: Blank colophony, F: Colophony 5% fluoride, P: Colophony 10% peptide, P+F: Colophony 5% fluoride and 10% peptide, Embrace: Embrace™ varnish, Durashield: Durashield™ varnish. A mixture of 35% w/v colophony varnishes were prepared in ethanol and applied accordingly. Specimens were immersed in a remineralization solution for 4 weeks and it was evaluated using PLM and SEM. Lesion depth reduction was examined by one-way ANOVA. Results There was no significant difference in mean lesion depths between baseline (147.04 ± 10.18 µm) and placebo groups (139.73 ± 14.92 µm), between F (120.95 ± 12.23 µm) and Durashield (113.47 ± 14.36 µm) groups and between P (81.79 ± 23.15 µm) and Embrace (90.26 ± 17.72 µm) groups. Lesion depth for the P+F group (66.95±10.59 µm) was significantly higher compared to all other groups. All groups contained samples with subsurface demineralized regions. Number of subsurface demineralized regions were higher in fluoride-containing groups. Conclusions We conclude that the mineralization-promoting peptide (MPP3) is effective in this in vitro study and the peptide shows benefits over fluoride as it yields less subsurface demineralized regions.


Subject(s)
Humans , Child , Tooth Remineralization , Dental Caries , Paint , Peptides , Tooth, Deciduous , Cariostatic Agents , Fluorides, Topical
3.
Braz. dent. sci ; 22(3): 335-343, 2019. tab
Article in English | BBO, LILACS | ID: biblio-1008849

ABSTRACT

Objective: This study evaluated the wettability and adhesive properties of three different photopolymerized resin-based pulp-capping materials with or without bioactive glass (BAG). Material and Methods: Cylindrical specimens (5 per group) were prepared from photo-polymerized pulp-capping materials (TER-TheraCal LC, BIN-Biner LC, and CAL-CalciPlus LC containing BAG). After surface finishing, contact angle measurements were made (θ)using the sessile drop method and surface free energy was calculated. For shear test, cylindrical acrylic blocks (N = 30) (diameter: 6 mm; height: 1 m) in the center were filled with the pulp-capping materials (N = 10 per group) flattened using a metal spatula and photo-polymerized. The specimens were stored at 37 °C in 100% humidity for 24 h prior to the bonding procedures. An adhesive system (CLEARFIL SE BOND, Kuraray) was applied on the material surfaces and photo-polymerized for 20 s. Then, resin composite material (Filtek Z250, 3M ESPE) was bonded on the substrate materials using translucent plastic molds (internal diameter: 2 mm; height: 2 mm). The specimens were photopolymerized with an LED photo-polymerization unit for 20 s. After polymerization, the specimens were stored at 37 °C, at 100% humidity for 24 h. Shear force was applied at the pulp-capping material and the resin composite interface In a universal testing machine (1 mm/min).Data were analyzed using 1-way ANOVA and Tukey`s tests at the significance level of 0.05. Results: Contact angle values showed significant difference between the 3 materials with group CAL presenting the lowest (35.35 ± 12.89) and group BIN the highest values (74.77 ± 13.56) (p < 0.05). Significantly lower surface energy was observed with BIN (36.22) (p 0.05). Group BIN (9.12 ± 3.45) showed significantly lower (p < 0.05) mean bond strength than those of TER (11.56 ± 5.67) and CAL (12.66 ± 4.34) (p > 0.05). Most of the observed modes of failures in all groups were of mixed type of failures. Conclusion: The bioglass used in Calciplus LC did not adversely affect the wettability, surface energy and adhesive properties. (AU)


Objetivo: Este estudo avaliou as propriedades de molhabilidade e adesivas de três diferentes materiais capeadores pulpares fotopolimerizaveis à base de resina, com ou sem vidro bioativo (BAG). Material e Métodos: Amostras cilíndricas (5 por grupo) foram preparadas a partir de materiais capeadores pulpares fotopolimerizáveis (TER-TheraCal LC, BIN-Biner LC e CAL-CalciPlus LC contendo BAG). Após o acabamento da superfície, as medidas do ângulo de contato foram feitas (θ) usando o método de gota séssil e a energia livre da superfície foi calculada. Para o ensaio de cisalhamento, blocos de acrílico cilíndricos (N = 30) (diâmetro: 6 mm; altura: 1 m) foram preenchidos no centro com os materiais de capeamento pulpar (N = 10 por grupo) achatados usando uma espátula metálica e fotopolimerizados. Os espécimes foram armazenados a 37 ° C em 100% de umidade por 24 h antes dos procedimentos de colagem. Um sistema adesivo (CLEARFIL SE BOND, Kuraray) foi aplicado nas superfícies do material e fotopolimerizado por 20 segundos. Em seguida, o material de resina composta (Filtek Z250, 3M ESPE) foi colado nos materiais do substrato utilizando moldes de plástico translúcido (diâmetro interno: 2 mm; altura: 2 mm). Os espécimes foram fotopolimerizados com um dispositivo de fotopolimerização de LED por 20 s. Após a polimerização, os espécimes foram armazenados a 37 °C, a 100% de umidade por 24 h. A força de cisalhamento foi aplicada no material capeador e na interface da resina composta em uma máquina universal de ensaios (1 mm / min). Os dados foram analisados por meio do teste de ANOVA e teste de Tukey ao nível de significância de 0,05. Resultados: Os valores do ângulo de contato mostraram diferença significativa entre os 3 materiais com o grupo CAL apresentando os menores valores (35,35 ± 12,89) e o grupo BIN os maiores valores (74,77 ± 13,56) (p < 0,05). Uma energia de superfície significativamente menor foi observada com o BIN (36,22) (p 0,05). O grupo BIN (9,12 ± 3,45) apresentou resistência de união média significativamente menor (p 0,05). A maioria dos modos de falhas observados em todos os grupos eram de tipo misto de falhas. Conclusão: O biovidro utilizado no Calciplus LC não afetou negativamente a molhabilidade, energia superficial e propriedades adesivas. (AU)


Subject(s)
Coated Materials, Biocompatible , Shear Strength , Pulp Capping and Pulpectomy Agents
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