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- Essai clinique NCT03412838
Factors Influencing Bone Block Allograft Resorption
Factors Influencing Bone Block Allograft Resorption. A Randomized Clinical Trial
Aperçu de l'étude
Description détaillée
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.
Type d'étude
Inscription (Réel)
Phase
- N'est pas applicable
Critères de participation
Critère d'éligibilité
Âges éligibles pour étudier
Accepte les volontaires sains
Sexes éligibles pour l'étude
La description
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.
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: Traitement
- Répartition: Randomisé
- Modèle interventionnel: Affectation parallèle
- Masquage: Double
Armes et Interventions
Groupe de participants / Bras |
Intervention / Traitement |
|---|---|
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Comparateur actif: 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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Comparateur actif: 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
|
Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
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Percentage of Bone Augmentation
Délai: 0 months
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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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Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
Percentage of bone resorption
Délai: 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
|
Collaborateurs et enquêteurs
Parrainer
Les enquêteurs
- Chercheur principal: Jesus Torres, Universidad Complutense de Madrid
Publications et liens utiles
Publications générales
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- Nissan J, Ghelfan O, Mardinger O, Calderon S, Chaushu G. Efficacy of cancellous block allograft augmentation prior to implant placement in the posterior atrophic mandible. Clin Implant Dent Relat Res. 2011 Dec;13(4):279-85. doi: 10.1111/j.1708-8208.2009.00219.x. Epub 2009 Aug 5.
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Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude
Achèvement primaire (Réel)
Achèvement de l'étude (Réel)
Dates d'inscription aux études
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première publication (Réel)
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Plus d'information
Termes liés à cette étude
Autres numéros d'identification d'étude
- P-15/566
Plan pour les données individuelles des participants (IPD)
Prévoyez-vous de partager les données individuelles des participants (DPI) ?
Informations sur les médicaments et les dispositifs, documents d'étude
Étudie un produit pharmaceutique réglementé par la FDA américaine
Étudie un produit d'appareil réglementé par la FDA américaine
produit fabriqué et exporté des États-Unis.
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