- ICH GCP
- Registr klinických studií v USA
- Klinická studie NCT04343066
Bone Remodeling Around Implants With Two Different Surfaces Placed in Horizontally Augmented Bone
Clinical and Radiographic Evaluation of Bone Remodeling Around Implants With Two Different Surfaces Placed in Horizontally Augmented Bone: a 1-year Randomized Controlled Study
Přehled studie
Postavení
Podmínky
Intervence / Léčba
Detailní popis
This is a prospective, randomized clinical and radiographical evaluation of bone remodeling around implants with two different surfaces placed in a previously augmented crest.
Patients requiring dental implants in previously horizontally augmented bone crest are recruited at the Department of Periodon¬tics, Faculty of dental medicine, Saint-Joseph University, Beirut, and will be treated with either T3 (contemporary hybrid collar), tapered, ex-hex, CP4 or Full Osseotite, tapered, ex-hex, CP4.
A total of 30 implants will be placed (15 per group). Random allocation of implant type per site will be done by the sealed envelope method.
The implants will be placed using a one-stage surgical approach. A final crown will be placed (screw-retained on multiunit abutment) between 3 and 4 months post-implant placement.
The patients will be followed-up at 6 months and 1 year. Only patients meeting inclusion/exclusion criteria and providing a dated and signed informed consent form will be enrolled in the study.
Typ studie
Zápis (Očekávaný)
Fáze
- Nelze použít
Kontakty a umístění
Studijní místa
-
-
-
Beirut, Libanon, 1104 2020
- Saint-Joseph University
-
-
Kritéria účasti
Kritéria způsobilosti
Věk způsobilý ke studiu
Přijímá zdravé dobrovolníky
Pohlaví způsobilá ke studiu
Popis
Inclusion Criteria:
- Patient age: between 20 and 65
- No systematic contraindication for implant surgery
- No more than 10 cigarettes/day
- Previous horizontal bone augmentation 6 months prior to implant placement
- Adequate oral hygiene i.e. Full mouth bleeding score (FMBS) <20% and Full mouth plaque score (FMPS) < 20%)
Exclusion Criteria:
- Smokers more than 10 cigarettes/day
- Pregnant/lactating women
- Alcoholics/drug addicts
- Uncontrolled diabetics, immunocompromised, blood hemostasis problems
- Patients taking IV bisphosphonates or drugs affecting bone metabolism or mucosal healing
- Patients not willing to sign the consent form
- History of radiotherapy in the head and neck region in the last 5 years
- Active periodontitis on the remaining teeth
Studijní plán
Jak je studie koncipována?
Detaily designu
- Primární účel: Léčba
- Přidělení: Randomizované
- Intervenční model: Paralelní přiřazení
- Maskování: Dvojnásobek
Zbraně a zásahy
Skupina účastníků / Arm |
Intervence / Léčba |
|---|---|
|
Experimentální: External hex implant
External hexagone implant connection
|
In both groups, the implants will be placed using a two-stage surgical approach at the crestal level in previously horizontally augmented bony sites. A final crown will be placed (screw-retained on multiunit abutment) between 3- and 4-months post-implant placement. Random allocation of implant type per site will be done by the sealed envelope method. Follow-up measurements will be done at 6 months and 1-year post-loading. The measurements are done by a blinded investigator. Before starting the study, the examiner will be trained in a calibration process. Exam sheets are kept confidential and anonymous. Inclusion criteria are: patient aged 20 to 65, no systematic contraindication for implant surgery, smoking < 10 cigarettes, previous horizontal bone augmentation, FMBS <20% and FMPS < 20%. Exclusion criteria are: general contraindication for implant surgery, pregnant/lactating women, uncontrolled diabetics, patients not willing to sign the consent form, active periodontitis.
Ostatní jména:
|
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Experimentální: Internal hex implant
Internal implant connection
|
In both groups, the implants will be placed using a two-stage surgical approach at the crestal level in previously horizontally augmented bony sites. A final crown will be placed (screw-retained on multiunit abutment) between 3- and 4-months post-implant placement. Random allocation of implant type per site will be done by the sealed envelope method. Follow-up measurements will be done at 6 months and 1-year post-loading. The measurements are done by a blinded investigator. Before starting the study, the examiner will be trained in a calibration process. Exam sheets are kept confidential and anonymous. Inclusion criteria are: patient aged 20 to 65, no systematic contraindication for implant surgery, smoking < 10 cigarettes, previous horizontal bone augmentation, FMBS <20% and FMPS < 20%. Exclusion criteria are: general contraindication for implant surgery, pregnant/lactating women, uncontrolled diabetics, patients not willing to sign the consent form, active periodontitis.
Ostatní jména:
|
Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
|
Change from baseline of alveolar ridge thickness at 4 months
Časové okno: During procedure and at 4 months
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Peroperative surgical measurements of the alveolar ridge width at implant sites
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During procedure and at 4 months
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Change from baseline of radiographic bone level on CBCT at 1 year post-op
Časové okno: During procedure and at 1 year
|
CBCT for buccal bone thickness measurements of the bone crest width at the implant site.
|
During procedure and at 1 year
|
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Change from baseline of radiographic bone level assessment at 1 year post-op, on periapical x-ray
Časové okno: During procedure, at 4 months, at 6 months and 1 year
|
Radiographic measurements on standardized periapical radiograph of the bone dimensions, for interproximal bone remodeling, from the shoulder of the implant (reference point), to the coronal bone to implant contact
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During procedure, at 4 months, at 6 months and 1 year
|
|
Change from baseline of bone plate thickness at 4 months
Časové okno: During procedure and at 4 months
|
Peroperative buccal and lingual residual bone thickness following implant insertion
|
During procedure and at 4 months
|
Sekundární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
|
Insertion torque
Časové okno: During procedure
|
Manual torque insertion are registered at implant placement.
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During procedure
|
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Change of Clinical parameters from baseline to 1 year post-op
Časové okno: During procedure, at 6 months and at 1 year
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FMBS, FMPS,
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During procedure, at 6 months and at 1 year
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Change of FMBS parameters from baseline to 1 year post-op
Časové okno: During procedure, at 6 months and at 1 year
|
Change in full mouth bleeding score
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During procedure, at 6 months and at 1 year
|
|
Change of Keratinized tissue height from Baseline to 4 months
Časové okno: During procedure and at 4 months
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Measured using a 1.0-mm marked periodontal probe
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During procedure and at 4 months
|
|
Histological analysis
Časové okno: During procedure
|
Bone core taken with a 2mm trephine bur at the site of implant placement for non-demineralized histological assessment of regenerated bone quality
|
During procedure
|
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Change of FMPS parameters from baseline to 1 year post-op
Časové okno: During procedure, at 6 months and at 1 year
|
Change in full mouth plaque score
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During procedure, at 6 months and at 1 year
|
Spolupracovníci a vyšetřovatelé
Sponzor
Vyšetřovatelé
- Vrchní vyšetřovatel: Nada Naaman, PhD, Saint-Joseph University
Publikace a užitečné odkazy
Obecné publikace
- Donati M, Ekestubbe A, Lindhe J, Wennstrom JL. Marginal bone loss at implants with different surface characteristics - A 20-year follow-up of a randomized controlled clinical trial. Clin Oral Implants Res. 2018 May;29(5):480-487. doi: 10.1111/clr.13145. Epub 2018 Mar 23.
- Zetterqvist L, Feldman S, Rotter B, Vincenzi G, Wennstrom JL, Chierico A, Stach RM, Kenealy JN. A prospective, multicenter, randomized-controlled 5-year study of hybrid and fully etched implants for the incidence of peri-implantitis. J Periodontol. 2010 Apr;81(4):493-501. doi: 10.1902/jop.2009.090492.
- Shi JY, Jie-Ni, Zhuang LF, Zhang XM, Fan LF, Lai HC. Peri-implant conditions and marginal bone loss around cemented and screw-retained single implant crowns in posterior regions: A retrospective cohort study with up to 4 years follow-up. PLoS One. 2018 Feb 5;13(2):e0191717. doi: 10.1371/journal.pone.0191717. eCollection 2018.
- Liu J, Kerns DG. Mechanisms of guided bone regeneration: a review. Open Dent J. 2014 May 16;8:56-65. doi: 10.2174/1874210601408010056. eCollection 2014.
- Koller CD, Pereira-Cenci T, Boscato N. Parameters Associated with Marginal Bone Loss around Implant after Prosthetic Loading. Braz Dent J. 2016 May-Jun;27(3):292-7. doi: 10.1590/0103-6440201600874.
- Wennerberg A, Hallgren C, Johansson C, Danelli S. A histomorphometric evaluation of screw-shaped implants each prepared with two surface roughnesses. Clin Oral Implants Res. 1998 Feb;9(1):11-9. doi: 10.1034/j.1600-0501.1998.090102.x.
- Rosa MB, Albrektsson T, Francischone CE, Schwartz Filho HO, Wennerberg A. The influence of surface treatment on the implant roughness pattern. J Appl Oral Sci. 2012 Sep-Oct;20(5):550-5. doi: 10.1590/s1678-77572012000500010.
- Esposito M, Ardebili Y, Worthington HV. Interventions for replacing missing teeth: different types of dental implants. Cochrane Database Syst Rev. 2014 Jul 22;(7):CD003815. doi: 10.1002/14651858.CD003815.pub4.
- Testori T, Wiseman L, Woolfe S, Porter SS. A prospective multicenter clinical study of the Osseotite implant: four-year interim report. Int J Oral Maxillofac Implants. 2001 Mar-Apr;16(2):193-200.
- Nevins M, Mellonig JT, Clem DS 3rd, Reiser GM, Buser DA. Implants in regenerated bone: long-term survival. Int J Periodontics Restorative Dent. 1998 Feb;18(1):34-45.
Termíny studijních záznamů
Hlavní termíny studia
Začátek studia (Aktuální)
Primární dokončení (Aktuální)
Dokončení studie (Očekávaný)
Termíny zápisu do studia
První předloženo
První předloženo, které splnilo kritéria kontroly kvality
První zveřejněno (Aktuální)
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Aktuální)
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
Naposledy ověřeno
Více informací
Termíny související s touto studií
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Časový rámec sdílení IPD
Kritéria přístupu pro sdílení IPD
Typ podpůrných informací pro sdílení IPD
- PROTOKOL STUDY
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Informace o lécích a zařízeních, studijní dokumenty
Studuje lékový produkt regulovaný americkým FDA
Studuje produkt zařízení regulovaný americkým úřadem FDA
produkt vyrobený a vyvážený z USA
Tyto informace byly beze změn načteny přímo z webu clinicaltrials.gov. Máte-li jakékoli požadavky na změnu, odstranění nebo aktualizaci podrobností studie, kontaktujte prosím register@clinicaltrials.gov. Jakmile bude změna implementována na clinicaltrials.gov, bude automaticky aktualizována i na našem webu .
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