Factors Influencing Bone Block Allograft Resorption
19. januar 2018 opdateret af: Jesús Torres García Denche, Universidad Complutense de Madrid
Factors Influencing Bone Block Allograft Resorption. A Randomized Clinical Trial
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.
Studieoversigt
Detaljeret beskrivelse
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.
Undersøgelsestype
Interventionel
Tilmelding (Faktiske)
28
Fase
- Ikke anvendelig
Deltagelseskriterier
Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.
Berettigelseskriterier
Aldre berettiget til at studere
18 år og ældre (Voksen, Ældre voksen)
Tager imod sunde frivillige
Ingen
Køn, der er berettiget til at studere
Alle
Beskrivelse
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.
Studieplan
Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Dobbelt
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
|---|---|
|
Aktiv komparator: Cortico-Cancellous
Graft surgery with cortico-cancellous block, freeze dried bone allograft (FDBA) for treatment the atrophic maxilla prior implant placement
|
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
|
|
Aktiv komparator: Cancellous
Graft surgery with cancellous block, freeze dried bone allograft (FDBA) for treatment the atrophic maxilla prior implant placement
|
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
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Percentage of Bone Augmentation
Tidsramme: 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.
|
0 months
|
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Percentage of bone resorption
Tidsramme: 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
|
Samarbejdspartnere og efterforskere
Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.
Efterforskere
- Ledende efterforsker: Jesus Torres, Universidad Complutense de Madrid
Publikationer og nyttige links
Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.
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Datoer for undersøgelser
Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.
Studer store datoer
Studiestart
1. januar 2011
Primær færdiggørelse (Faktiske)
1. januar 2011
Studieafslutning (Faktiske)
1. juni 2015
Datoer for studieregistrering
Først indsendt
14. januar 2018
Først indsendt, der opfyldte QC-kriterier
19. januar 2018
Først opslået (Faktiske)
26. januar 2018
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
26. januar 2018
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
19. januar 2018
Sidst verificeret
1. januar 2018
Mere information
Begreber relateret til denne undersøgelse
Andre undersøgelses-id-numre
- P-15/566
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