Monolithic Zirconia Versus Porcelain‐Fused‐to‐Metal Implant‐Supported Fixed Dental Prostheses in the Posterior Region: 3‐Year Results of a Randomized Controlled Clinical Trial.

Λεπτομέρειες βιβλιογραφικής εγγραφής
Τίτλος:	Monolithic Zirconia Versus Porcelain‐Fused‐to‐Metal Implant‐Supported Fixed Dental Prostheses in the Posterior Region: 3‐Year Results of a Randomized Controlled Clinical Trial.
Συγγραφείς:	Pachiou, Aspasia¹ (AUTHOR), Singh, Raphael¹ (AUTHOR), Jung, Ronald E.¹ (AUTHOR), Balmer, Marc¹ (AUTHOR), Benic, Goran I.¹ (AUTHOR), Ioannidis, Alexis¹ (AUTHOR) alexis.ioannidis@zzm.uzh.ch
Πηγή:	Clinical Oral Implants Research (John Wiley & Sons, Inc.). Oct2026, Vol. 37 Issue 10, p1197-1207. 11p.
Θεματικοί όροι:	Prosthetics, Artificial implants, Dental ceramic metals, Dentures, *Randomized controlled trials
Περίληψη:	Objectives: To compare the clinical, biological, and technical outcomes of posterior three‐unit implant‐supported fixed dental prostheses (iFDPs) fabricated from monolithic zirconia (MonoZR) or porcelain‐fused‐to‐metal (PFM). Materials and Methods: In this prospective randomized controlled trial, partially edentulous patients requiring a posterior three‐unit iFDP supported by two implants were randomly assigned to MonoZR or PFM iFDPs. The primary outcome was ceramic fracture. Secondary outcomes included prosthesis survival, complication‐free survival, marginal bone level (MBL) changes, peri‐implant clinical parameters, and USPHS ratings. Follow‐up examinations were performed at 1 and 3 years. Statistical analyses included Kaplan–Meier estimates, Fisher's exact test, and linear mixed‐effects models (α = 0.05). Results: Fifty‐five patients received iFDPs at baseline (MonoZR: n = 28; PFM: n = 27), and 45 completed the 3‐year follow‐up. Two prosthesis failures occurred, one in each group, both associated with implant loss, with no difference in survival between groups (p = 1.00). Veneering ceramic chipping occurred only in the PFM group (3/23; 13%) and not in the MonoZR group (0/22) (p = 0.11). Complication‐free survival, peri‐implant clinical parameters, and MBL changes did not differ significantly between groups (p > 0.05). Plaque index and bleeding on probing increased over time, while probing depth and MBL remained stable. Both groups showed high clinical acceptability according to USPHS criteria. Conclusions: Both MonoZR and PFM posterior three‐unit iFDPs demonstrated high survival and favorable biological outcomes after 3 years. MonoZR showed no chipping events and may represent a promising alternative to PFM for posterior implant‐supported restorations. Trial Registration: German Clinical Trials Register: DRKS00011039 [ABSTRACT FROM AUTHOR]
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Items	– Name: Title Label: Title Group: Ti Data: Monolithic Zirconia Versus Porcelain‐Fused‐to‐Metal Implant‐Supported Fixed Dental Prostheses in the Posterior Region: 3‐Year Results of a Randomized Controlled Clinical Trial. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Pachiou%2C+Aspasia%22">Pachiou, Aspasia</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Singh%2C+Raphael%22">Singh, Raphael</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jung%2C+Ronald+E%2E%22">Jung, Ronald E.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Balmer%2C+Marc%22">Balmer, Marc</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Benic%2C+Goran+I%2E%22">Benic, Goran I.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ioannidis%2C+Alexis%22">Ioannidis, Alexis</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> alexis.ioannidis@zzm.uzh.ch</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Clinical+Oral+Implants+Research+%28John+Wiley+%26+Sons%2C+Inc%2E%29%22">Clinical Oral Implants Research (John Wiley & Sons, Inc.)</searchLink>. Oct2026, Vol. 37 Issue 10, p1197-1207. 11p. – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Prosthetics%22">Prosthetics</searchLink><br /><searchLink fieldCode="DE" term="%22Artificial+implants%22">Artificial implants</searchLink><br /><searchLink fieldCode="DE" term="%22Dental+ceramic+metals%22">Dental ceramic metals</searchLink><br /><searchLink fieldCode="DE" term="%22Dentures%22">Dentures</searchLink><br />*<searchLink fieldCode="DE" term="%22Randomized+controlled+trials%22">Randomized controlled trials</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Objectives: To compare the clinical, biological, and technical outcomes of posterior three‐unit implant‐supported fixed dental prostheses (iFDPs) fabricated from monolithic zirconia (MonoZR) or porcelain‐fused‐to‐metal (PFM). Materials and Methods: In this prospective randomized controlled trial, partially edentulous patients requiring a posterior three‐unit iFDP supported by two implants were randomly assigned to MonoZR or PFM iFDPs. The primary outcome was ceramic fracture. Secondary outcomes included prosthesis survival, complication‐free survival, marginal bone level (MBL) changes, peri‐implant clinical parameters, and USPHS ratings. Follow‐up examinations were performed at 1 and 3 years. Statistical analyses included Kaplan–Meier estimates, Fisher's exact test, and linear mixed‐effects models (α = 0.05). Results: Fifty‐five patients received iFDPs at baseline (MonoZR: n = 28; PFM: n = 27), and 45 completed the 3‐year follow‐up. Two prosthesis failures occurred, one in each group, both associated with implant loss, with no difference in survival between groups (p = 1.00). Veneering ceramic chipping occurred only in the PFM group (3/23; 13%) and not in the MonoZR group (0/22) (p = 0.11). Complication‐free survival, peri‐implant clinical parameters, and MBL changes did not differ significantly between groups (p > 0.05). Plaque index and bleeding on probing increased over time, while probing depth and MBL remained stable. Both groups showed high clinical acceptability according to USPHS criteria. Conclusions: Both MonoZR and PFM posterior three‐unit iFDPs demonstrated high survival and favorable biological outcomes after 3 years. MonoZR showed no chipping events and may represent a promising alternative to PFM for posterior implant‐supported restorations. Trial Registration: German Clinical Trials Register: DRKS00011039 [ABSTRACT FROM AUTHOR]
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RecordInfo	BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1111/clr.70160 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 11 StartPage: 1197 Subjects: – SubjectFull: Prosthetics Type: general – SubjectFull: Artificial implants Type: general – SubjectFull: Dental ceramic metals Type: general – SubjectFull: Dentures Type: general – SubjectFull: Randomized controlled trials Type: general Titles: – TitleFull: Monolithic Zirconia Versus Porcelain‐Fused‐to‐Metal Implant‐Supported Fixed Dental Prostheses in the Posterior Region: 3‐Year Results of a Randomized Controlled Clinical Trial. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Pachiou, Aspasia – PersonEntity: Name: NameFull: Singh, Raphael – PersonEntity: Name: NameFull: Jung, Ronald E. – PersonEntity: Name: NameFull: Balmer, Marc – PersonEntity: Name: NameFull: Benic, Goran I. – PersonEntity: Name: NameFull: Ioannidis, Alexis IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 10 Text: Oct2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 09057161 Numbering: – Type: volume Value: 37 – Type: issue Value: 10 Titles: – TitleFull: Clinical Oral Implants Research (John Wiley & Sons, Inc.) Type: main
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