Assuntos
Ameloblastoma/diagnóstico , Ameloblastoma/cirurgia , Neoplasias Mandibulares/diagnóstico , Neoplasias Mandibulares/cirurgia , Ameloblastoma/patologia , Biópsia , Tomografia Computadorizada de Feixe Cônico , Diagnóstico Diferencial , Feminino , Humanos , Neoplasias Mandibulares/patologia , Pessoa de Meia-IdadeRESUMO
PURPOSE: To conduct a systematized review of the literature about the main methodologies used to evaluate the biomechanical fixation systems with titanium plates in fractures of the mandibular condyle. METHODS: A systematized review of literature was performed in the electronic databases PubMed, EMBASE, LILACS and MEDLINE without restriction of the publication date. The eligibility criteria were laboratory studies involving mandibular condyle fractures, studies using titanium plates, biomechanical studies, in vitro and computational studies involving the finite element method (FEM). RESULTS: Eleven articles that met the eligibility criteria were selected, including seven articles involving in vitro studies and four studies with biomechanical analysis by using FEM. CONCLUSION: Although few articles have used the finite element method, the results of in vitro studies were similar to those found in computational studies, regarding to the stable use of two titanium miniplates.
Assuntos
Placas Ósseas , Fixação Interna de Fraturas , Côndilo Mandibular/lesões , Fraturas Mandibulares/cirurgia , Titânio , Animais , Fenômenos Biomecânicos , Parafusos Ósseos , Análise de Elementos Finitos , Humanos , Teste de MateriaisRESUMO
PURPOSE: To conduct a systematized review of the literature about the main methodologies used to evaluate the biomechanical fixation systems with titanium plates in fractures of the mandibular condyle. METHODS: A systematized review of literature was performed in the electronic databases PubMed, EMBASE, LILACS and MEDLINE without restriction of the publication date. The eligibility criteria were laboratory studies involving mandibular condyle fractures, studies using titanium plates, biomechanical studies, in vitro and computational studies involving the finite element method (FEM). RESULTS: Eleven articles that met the eligibility criteria were selected, including seven articles involving in vitro studies and four studies with biomechanical analysis by using FEM. CONCLUSION: Although few articles have used the finite element method, the results of in vitro studies were similar to those found in computational studies, regarding to the stable use of two titanium miniplates.
OBJETIVO: Realizar uma revisão sistematizada da literatura sobre as principais metodologias empregadas na avaliação biomecânica de sistemas de fixação com placas de titânio em fraturas de côndilo mandibular. MÉTODOS: Foi realizada uma revisão sistematizada da literatura nas bases de dados eletrônicas PubMed, EMBASE, LILACS e MEDLINE sem restrição quanto à data de publicação. Os critérios de elegibilidade foram estudos laboratoriais envolvendo fraturas de côndilo mandibular, estudos utilizando placas de titânio, estudos biomecânicos, estudos in vitro e estudos computacionais envolvendo o método de elementos finitos (MEF). RESULTADOS: Foram selecionados 11 artigos que se enquadraram nos critérios de elegibilidade, incluindo sete artigos envolvendo estudos in vitro e quatro utilizando análise biomecânica através do MEF. CONCLUSÃO: Embora poucos artigos tenham utilizado o método de elementos finitos, os resultados das pesquisas in vitro assemelham-se aos encontrados nos estudos computacionais, com relação ao uso estável de duas miniplacas de titânio.
Assuntos
Animais , Humanos , Placas Ósseas , Fixação Interna de Fraturas , Côndilo Mandibular/lesões , Fraturas Mandibulares/cirurgia , Titânio , Fenômenos Biomecânicos , Parafusos Ósseos , Análise de Elementos Finitos , Teste de MateriaisRESUMO
Chondrolipomas are rare benign mesenchymal tumors characterized by the proliferation of mature adipocytes associated with variable amounts of mature cartilaginous tissue. To our knowledge, only 11 cases of chondrolipoma affecting the oral cavity have been published in the English-language literature (PubMed database), and no cases of this condition up to 20 years of complaint duration have been reported. Thus, this article describes an interesting and atypical case of a 68-year-old woman who presented an asymptomatic slow-growing swelling on the posterior dorsal surface of the tongue. In addition, we reviewed the international literature from 1976 to 2009.
