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Regeneração periodontal de defeitos infra-ósseos em pacientes tratados na pós-graduação de periodontologia da FMDUL
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Introdução: A periodontite é uma doença inflamatória crónica multifatorial, que provoca a destruição progressiva das estruturas em redor do dente. A perda de tecido periodontal de suporte causa o aparecimento de defeitos infra-ósseos, condicionando o prognóstico dos dentes. A regeneração periodontal permite reconstruir os tecidos periodontais perdidos, através de técnicas cirúrgicas que induzem a formação de novo osso alveolar, cemento e ligamento periodontal, como a utilização das proteínas derivadas da matriz de esmalte (PDME) e da técnica de regeneração tecidular guiada (RTG).
Objetivo: O principal objetivo deste estudo é avaliar os resultados clínicos e radiográficos da regeneração periodontal de defeitos infra-ósseos, através da aplicação das PDME (Emdogain®) e da RTG.
Materiais e Métodos: Neste estudo foram avaliados os dados clínicos e radiográficos de pacientes submetidos a procedimentos cirúrgicos de regeneração em defeitos infra-ósseos e acompanhados durante 12 a 39 meses. No total, foram regenerados 11 defeitos através da aplicação das PDME (Emdogain®) e 5 defeitos através da RTG. Os dados foram recolhidos e analisados por um único observador.
Resultados: O total da amostra obteve uma média de redução da PS de 2.68 ± 0.98 mm. No grupo 1, foram obtidos valores de 2.74 ± 1.08 mm e no grupo 2 de 2.56 ± 0.83 mm. No preenchimento ósseo radiográfico dos 16 casos analisados, a média é 3.25 ± 1.18 mm. O grupo 1 apresenta valores de 2.91 ± 1.04 mm e o grupo 2 de 4 ± 1.22 mm. É possível observar uma regeneração eficaz em ambos os grupos e encontrar uma correlação significativa entre o preenchimento ósseo radiográfico e o ângulo do defeito.
Conclusão: Os resultados clínicos e radiográficos dos procedimentos cirúrgicos de regeneração periodontal em defeitos infra-ósseos revelaram-se satisfatórios e mantiveram-se a longo prazo. Não foram encontradas diferenças significativas entre as duas abordagens, para os parâmetros da redução da PS e do preenchimento ósseo radiográfico.
Introduction: Periodontitis is a multifactorial chronic inflammatory disease that causes the progressive destruction of the structures around the tooth. The loss of periodontal support tissue causes the appearance of intrabony defects, affecting the prognosis of the teeth. Periodontal regeneration allows the reconstruction of lost periodontal tissues through surgical techniques that induce the formation of new alveolar bone, cementum and periodontal ligament, such as the use of enamel matrix derived proteins (EMD) and guided tissue regeneration (GTR). Aim: The main objective of this study is to evaluate the clinical and radiographic results of periodontal regeneration of intrabony defects by applying EMD and GTR. Materials and Methods: This study evaluated the clinical and radiographic data of patients who underwent surgical regeneration procedures in intrabony defects and were followed up for 12 to 39 months. A total of 11 defects were regenerated by applying EMD (Emdogain®) and 5 defects by GTR. Data were collected and analysed by a single observer. Results: The total sample obtained a mean reduction in probing depth of 2.68 ± 0.98 mm. In group 1, we obtained values of 2.74 ± 1.08 mm and in group 2, 2.56 ± 0.83 mm. In radiographic bone filling of the 16 cases analysed, the mean is 3.25 ± 1.18 mm. Group 1 presents values of 2.91 ± 1.04 mm and group 2 of 4 ± 1.22 mm. It is possible to observe an effective regeneration in both groups and to find a significant correlation between radiographic bone filling and defect angle. Conclusion: The clinical and radiographic results of the surgical periodontal regeneration procedures in intrabony defects were satisfactory and were maintained in the long term. No significant differences were found between the two approaches for the parameters of probing depth reduction and radiographic bone filling.
Introduction: Periodontitis is a multifactorial chronic inflammatory disease that causes the progressive destruction of the structures around the tooth. The loss of periodontal support tissue causes the appearance of intrabony defects, affecting the prognosis of the teeth. Periodontal regeneration allows the reconstruction of lost periodontal tissues through surgical techniques that induce the formation of new alveolar bone, cementum and periodontal ligament, such as the use of enamel matrix derived proteins (EMD) and guided tissue regeneration (GTR). Aim: The main objective of this study is to evaluate the clinical and radiographic results of periodontal regeneration of intrabony defects by applying EMD and GTR. Materials and Methods: This study evaluated the clinical and radiographic data of patients who underwent surgical regeneration procedures in intrabony defects and were followed up for 12 to 39 months. A total of 11 defects were regenerated by applying EMD (Emdogain®) and 5 defects by GTR. Data were collected and analysed by a single observer. Results: The total sample obtained a mean reduction in probing depth of 2.68 ± 0.98 mm. In group 1, we obtained values of 2.74 ± 1.08 mm and in group 2, 2.56 ± 0.83 mm. In radiographic bone filling of the 16 cases analysed, the mean is 3.25 ± 1.18 mm. Group 1 presents values of 2.91 ± 1.04 mm and group 2 of 4 ± 1.22 mm. It is possible to observe an effective regeneration in both groups and to find a significant correlation between radiographic bone filling and defect angle. Conclusion: The clinical and radiographic results of the surgical periodontal regeneration procedures in intrabony defects were satisfactory and were maintained in the long term. No significant differences were found between the two approaches for the parameters of probing depth reduction and radiographic bone filling.
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Teses de mestrado - 2021 Saúde Oral