Trial reportJournal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.]2026
Clinical and Prosthetic Outcomes of Titanium Zirconium Versus PEEK Composite Maxillary Fixed Prostheses Opposing Distal Extension Partial Dentures: Comparative Clinical Study.
Trial report in Journal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.], 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06111391 (Patient Satisfaction , Prosthetic Complication and Clinical Outcomes of PEEK Composite Versus Titanium Zirconium Maxillary Fixed Full Arch Prosthetic Opposing Mandibular Distal Extension Partial Denture), which is not on this map. Not yet cited in PubMed.
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Patient Satisfaction , Prosthetic Complication and Clinical Outcomes of PEEK Composite Versus Titanium Zirconium Maxillary Fixed Full Arch Prosthetic Opposing Mandibular Distal Extension Partial Denture
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4 authors.
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Abstract
objectivesTitanium and zirconia are commonly used materials for implant frameworks. The selection of prosthetic material influences the load-bearing capacity of fixed dental prostheses and plays a critical role in the longevity of implant-supported fixed dental prostheses (ISFDPs) by affecting stress transmission during the chewing cycle. PURPOSE: To evaluate clinical results, prosthetic results, and patient satisfaction associated with fixed prostheses fabricated from polyetheretherketone and titanium-zirconia, supported by six maxillary implants and opposed by mandibular distal extension removable partial dentures. MATERIALS AND
methodsThirty patients with an edentulous maxilla and mandibular distal-extension ridges received six implants in the maxillary regions of 12, 14, 16, 22, 24, and 26, with lengths of 10-14 mm and diameters of 3.6-4.5 mm. Patients were randomly classified into two equal groups: (G1) PEEK composite frameworks, and (G2) titanium-zirconia frameworks. Plaque score, gingival score, pocket depth, implant mobility, and vertical bone loss (VBL) were assessed at the time of fixed complete-arch implant prosthesis placement (T0), and at six (T6) and twelve (T12) months after delivery. Patient satisfaction (VAS) and prosthetic complications were evaluated after 1 year.
resultsG2 showed significantly higher plaque scores, pocket depth, and VBL than G1 at 6 and 12 months. G2 revealed a significantly higher patient satisfaction with maxillary prostheses compared to natural teeth and appearance than G1. Compared to G2, G1 showed noticeably greater patient satisfaction with relation to cleaning and ease of chewing than G2. G2 revealed a significantly higher incidence of prosthetic complications regarding veneer fracture or separation and prosthetic screw loosening than G1.
conclusionsPEEK composite and titanium zirconia fixed implant restorations for an edentulous maxilla opposed by distal extension mandibular ridges can be effectively used to rehabilitate patients using the maxillary All-on-Six concept.
trial registrationClinicalTrials.gov identifier: NCT06111391.
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