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- Ensaio Clínico NCT03412838
Factors Influencing Bone Block Allograft Resorption
Factors Influencing Bone Block Allograft Resorption. A Randomized Clinical Trial
Visão geral do estudo
Descrição detalhada
Introduction: A main drawback of bone block graft surgery is the resorption occurring in early stages of healing. The aim of this work was investigate different factors associated with graft resorption in allogeneic bone block graft surgery.
Materials and methods: Twenty-eight patients referred for implant placement and with insufficient bucco-lingual (BL) alveolar bone width (<4 mm) were included in the study. Patients received freeze dried bone allograft (FDBA) blocks of either allogeneic cancellous or cortico-cancellous bone obtained from the iliac crest. The aforementioned groups were compared in regards to bone resorption using General Estimating Equations (GEE) and logistic regression. Demographic data, trabecular bone density, graft site were also analyzed.
Tipo de estudo
Inscrição (Real)
Estágio
- Não aplicável
Critérios de participação
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Descrição
Inclusion Criteria:
- Twenty eight totally and partially edentulous patients referred for dental implant therapy from January 2011 to September 2015 were enrolled in the study. All patients had insufficient bucco-lingual (BL) alveolar bone width (<4 mm) that prevented placement of regular size implants
Exclusion Criteria:
- Patients with severe systemic disease (American Society of Anesthesiology III or IV) were excluded from the study. In addition, patients who were pregnant, or patients with diseases affecting bone, such as Paget's disease, osteomalacia, diabetes, vitamin D deficiency, alcoholism, hyperthyroidism cancer or osteoporosis as well as those on medications that might affect bone metabolism, such as bisphosphonates, corticosteroids or antiepileptic medicaments were also excluded from the study.
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Tratamento
- Alocação: Randomizado
- Modelo Intervencional: Atribuição Paralela
- Mascaramento: Dobro
Armas e Intervenções
Grupo de Participantes / Braço |
Intervenção / Tratamento |
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Comparador Ativo: Cortico-Cancellous
Graft surgery with cortico-cancellous block, freeze dried bone allograft (FDBA) for treatment the atrophic maxilla prior implant placement
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A graft surgery using bone allogenic blocks that are screwed over the atrophic sites of the maxilla to obtain bone augmentation to support dental implants
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Comparador Ativo: Cancellous
Graft surgery with cancellous block, freeze dried bone allograft (FDBA) for treatment the atrophic maxilla prior implant placement
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A graft surgery using bone allogenic blocks that are screwed over the atrophic sites of the maxilla to obtain bone augmentation to support dental implants
|
O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
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Percentage of Bone Augmentation
Prazo: 0 months
|
A region of interest (ROI) containing the entire trabecular bone area of the alveolar ridge was created using the closed polygon tool of the OsiriX software.
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0 months
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Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
---|---|---|
Percentage of bone resorption
Prazo: 4 months
|
A region of interest (ROI) containing the entire trabecular bone area of the alveolar ridge was created using the closed polygon tool of the OsiriX software.
|
4 months
|
Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Jesus Torres, Universidad Complutense de Madrid
Publicações e links úteis
Publicações Gerais
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