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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Oral Health and Tools for Oral Hygiene in Adolescents in Detema Secondary School

Samuelsson, Yvonne, Samuelsson, Erik January 2018 (has links)
Abstract The aim of this epidemiologic pilot field study was to determine if the oral health problem in Detema was periodontal or caries disease. If periodontal disease, was it induced by a certain virulent microflora or by inadequate oral hygiene? A second specific aim was to educate local oral health instructors, to raise the awareness of the importance of oral health, and in that way improve the general health. Methods were that with the use of WHO oral health questionnaire, interview 117 participants in index ages 15-19 years, inform about oral diseases, instruct techniques for optimized oral cleansing, assess dental status and periodontal health on index teeth. Local oral health instructors were educated for maintaining the knowledge and to reinstruct the toothbrush and toothpaste methods. Susceptibility to caries and periodontal disease in relation to ethnicity was investigated. The prevalence of caries disease was 32% a decrease compared to 44% in 1995. The prevalence of periodontal disease was 82%, attachment loss and gingival retractions 8% each, and gingival retractions 6%. This result was an impairment compared to 73% in 1995, when there were no pockets, retractions or any attachment loss in this index age. Results could not significantly show association between oral disease and lack of, or infrequent use of cleansing devices and fluoridated toothpaste, neither to a diet with high and frequent carbohydrate intake. There was indication of susceptibility to periodontal disease in the population.  The conclusion was that the non-optimized technique for oral hygiene affected this population´s oral health.
2

Longevidade de restaurações em dentes decíduos submetidos à remoção parcial de tecido cariado e fatores associados ao insucesso : estudo retrospectivo / Longevity of primary teeth restorations undergoing partial caries removal and factors associated with failure : retrospective study approaching daily clinical life

Concha Melgar, Ximena January 2015 (has links)
Objetivo:Avaliar a longevidade de restaurações adesivas diretas em dentes decíduos submetidos à remoção parcial de tecido cariado (RPTC) e os possíveis fatores associados com o insucesso, tentando aproximar os resultados à vida clínica diária. Métodos: Estudo observacional analítico retrospectivo que incluiu 284 restaurações adesivas diretas em dentes decíduos posteriores e anteriores confeccionadas após RPTC em 88 crianças com alta experiência de cárie. Os dentes foram acompanhados clínica e radiograficamente através da informação registrada nos prontuários clínicos dos pacientes. Adicionalmente, foram investigados os fatores potencialmente associados com o insucesso do tratamento, tais como idade, gênero, tipo de dente, número de faces restauradas, material capeador e restaurador utilizado e índice de placa visível (IPV) e de sangramento gengival (ISG). O estimador Kaplan-Meiere o teste de Log-Rank foram utilizados para analisar a longevidade das restaurações e o modelo de regressão multivariado de Cox com fragilidade compartilhada, para avaliar os fatores que poderiam estar relacionados com a falha do tratamento (p<0,05). Resultados: A taxa de sucesso clínico e radiográfico da amostra foi de 76% e obteve-se uma taxa de falha anual (AFR) de 20% na análise até 36 meses. O IPV (p=0,014) e o tipo de dente, anterior ou posterior (p<0,001) mostraram influência significativa no insucesso das restaurações. Conclusão: restaurações adesivas realizadas após RPTC na dentição decíduae em um ambiente que simula a vida clínica diária demonstrambons resultados, principalmente em dentes posteriores. Porém, o acúmulo de biofilme sobre as superfícies dentárias afeta a longevidade das mesmas. / Objective: to assess the longevity of direct adhesive restorations undergoing partial caries removal (PCR) in primary teeth and associated factors for failure, approaching the results to a daily clinical life. Methods: Retrospective analytical observational study which included 284 posterior and anterior primary teeth direct adhesive restorations that had been treated with PCR of 88 children with high caries experience. The teeth had clinical and radiographic follow-up through the information registered in the clinical records of the patients.In addition, factors potentially associated with treatment failure were investigated, such as age, gender, type of tooth involved, number of surfaces restored, type of capping material and restorative material used, visible plaque (VPI) and gingival bleeding indexes (GBI). Kaplan-Meier estimate and Log-Rank test were used to analyze the longevity of restorations and multivariate Cox´s regression model with shared frailty to evaluate the factors that could be related to treatment failure (p<0.05). Results: A clinical and radiographic success rate of the sample was 76% and an annual failure rate was estimated in 20% over 36 months. Only visible plaque index (p=0.014) and type of teeth, anterior or posterior (p<0.001) had a significant influence on the restorative failure. Conclusion:Adhesive restorations undergoing PCR in primary teeth in an environment that simulates a daily clinical life demonstrate good results, particularly in posterior teeth. However, the biofilm accumulation on the dental surfaces affects the longevity of them.
3

Longevidade de restaurações em dentes decíduos submetidos à remoção parcial de tecido cariado e fatores associados ao insucesso : estudo retrospectivo / Longevity of primary teeth restorations undergoing partial caries removal and factors associated with failure : retrospective study approaching daily clinical life

Concha Melgar, Ximena January 2015 (has links)
Objetivo:Avaliar a longevidade de restaurações adesivas diretas em dentes decíduos submetidos à remoção parcial de tecido cariado (RPTC) e os possíveis fatores associados com o insucesso, tentando aproximar os resultados à vida clínica diária. Métodos: Estudo observacional analítico retrospectivo que incluiu 284 restaurações adesivas diretas em dentes decíduos posteriores e anteriores confeccionadas após RPTC em 88 crianças com alta experiência de cárie. Os dentes foram acompanhados clínica e radiograficamente através da informação registrada nos prontuários clínicos dos pacientes. Adicionalmente, foram investigados os fatores potencialmente associados com o insucesso do tratamento, tais como idade, gênero, tipo de dente, número de faces restauradas, material capeador e restaurador utilizado e índice de placa visível (IPV) e de sangramento gengival (ISG). O estimador Kaplan-Meiere o teste de Log-Rank foram utilizados para analisar a longevidade das restaurações e o modelo de regressão multivariado de Cox com fragilidade compartilhada, para avaliar os fatores que poderiam estar relacionados com a falha do tratamento (p<0,05). Resultados: A taxa de sucesso clínico e radiográfico da amostra foi de 76% e obteve-se uma taxa de falha anual (AFR) de 20% na análise até 36 meses. O IPV (p=0,014) e o tipo de dente, anterior ou posterior (p<0,001) mostraram influência significativa no insucesso das restaurações. Conclusão: restaurações adesivas realizadas após RPTC na dentição decíduae em um ambiente que simula a vida clínica diária demonstrambons resultados, principalmente em dentes posteriores. Porém, o acúmulo de biofilme sobre as superfícies dentárias afeta a longevidade das mesmas. / Objective: to assess the longevity of direct adhesive restorations undergoing partial caries removal (PCR) in primary teeth and associated factors for failure, approaching the results to a daily clinical life. Methods: Retrospective analytical observational study which included 284 posterior and anterior primary teeth direct adhesive restorations that had been treated with PCR of 88 children with high caries experience. The teeth had clinical and radiographic follow-up through the information registered in the clinical records of the patients.In addition, factors potentially associated with treatment failure were investigated, such as age, gender, type of tooth involved, number of surfaces restored, type of capping material and restorative material used, visible plaque (VPI) and gingival bleeding indexes (GBI). Kaplan-Meier estimate and Log-Rank test were used to analyze the longevity of restorations and multivariate Cox´s regression model with shared frailty to evaluate the factors that could be related to treatment failure (p<0.05). Results: A clinical and radiographic success rate of the sample was 76% and an annual failure rate was estimated in 20% over 36 months. Only visible plaque index (p=0.014) and type of teeth, anterior or posterior (p<0.001) had a significant influence on the restorative failure. Conclusion:Adhesive restorations undergoing PCR in primary teeth in an environment that simulates a daily clinical life demonstrate good results, particularly in posterior teeth. However, the biofilm accumulation on the dental surfaces affects the longevity of them.
4

Longevidade de restaurações em dentes decíduos submetidos à remoção parcial de tecido cariado e fatores associados ao insucesso : estudo retrospectivo / Longevity of primary teeth restorations undergoing partial caries removal and factors associated with failure : retrospective study approaching daily clinical life

Concha Melgar, Ximena January 2015 (has links)
Objetivo:Avaliar a longevidade de restaurações adesivas diretas em dentes decíduos submetidos à remoção parcial de tecido cariado (RPTC) e os possíveis fatores associados com o insucesso, tentando aproximar os resultados à vida clínica diária. Métodos: Estudo observacional analítico retrospectivo que incluiu 284 restaurações adesivas diretas em dentes decíduos posteriores e anteriores confeccionadas após RPTC em 88 crianças com alta experiência de cárie. Os dentes foram acompanhados clínica e radiograficamente através da informação registrada nos prontuários clínicos dos pacientes. Adicionalmente, foram investigados os fatores potencialmente associados com o insucesso do tratamento, tais como idade, gênero, tipo de dente, número de faces restauradas, material capeador e restaurador utilizado e índice de placa visível (IPV) e de sangramento gengival (ISG). O estimador Kaplan-Meiere o teste de Log-Rank foram utilizados para analisar a longevidade das restaurações e o modelo de regressão multivariado de Cox com fragilidade compartilhada, para avaliar os fatores que poderiam estar relacionados com a falha do tratamento (p<0,05). Resultados: A taxa de sucesso clínico e radiográfico da amostra foi de 76% e obteve-se uma taxa de falha anual (AFR) de 20% na análise até 36 meses. O IPV (p=0,014) e o tipo de dente, anterior ou posterior (p<0,001) mostraram influência significativa no insucesso das restaurações. Conclusão: restaurações adesivas realizadas após RPTC na dentição decíduae em um ambiente que simula a vida clínica diária demonstrambons resultados, principalmente em dentes posteriores. Porém, o acúmulo de biofilme sobre as superfícies dentárias afeta a longevidade das mesmas. / Objective: to assess the longevity of direct adhesive restorations undergoing partial caries removal (PCR) in primary teeth and associated factors for failure, approaching the results to a daily clinical life. Methods: Retrospective analytical observational study which included 284 posterior and anterior primary teeth direct adhesive restorations that had been treated with PCR of 88 children with high caries experience. The teeth had clinical and radiographic follow-up through the information registered in the clinical records of the patients.In addition, factors potentially associated with treatment failure were investigated, such as age, gender, type of tooth involved, number of surfaces restored, type of capping material and restorative material used, visible plaque (VPI) and gingival bleeding indexes (GBI). Kaplan-Meier estimate and Log-Rank test were used to analyze the longevity of restorations and multivariate Cox´s regression model with shared frailty to evaluate the factors that could be related to treatment failure (p<0.05). Results: A clinical and radiographic success rate of the sample was 76% and an annual failure rate was estimated in 20% over 36 months. Only visible plaque index (p=0.014) and type of teeth, anterior or posterior (p<0.001) had a significant influence on the restorative failure. Conclusion:Adhesive restorations undergoing PCR in primary teeth in an environment that simulates a daily clinical life demonstrate good results, particularly in posterior teeth. However, the biofilm accumulation on the dental surfaces affects the longevity of them.

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