Clinical Performance of One-Piece, Screw-Retained Implant Crowns Based on Hand-Veneered CAD/CAM Zirconia Abutments After a Mean Follow-up Period of 2.3 Years

Schnider, Nicole; Forrer, Fiona Alena; Brägger, Urs; Hicklin, Stefan

doi:10.11607/jomi.5929

Cited by 11 publications

(22 citation statements)

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“…The findings of the current study evidenced a satisfactory clinical performance of screw‐retained single implant crowns with zirconia abutments (CARES ® , Straumann) and a Crossfit ® Connection on bone level implants after a mean observation period of 6 years and 7 months. When comparing the results of the previous published study of the same group of patients after a mean follow‐up of 2.3 years (Schnider et al., 2018) with the present study, improvements in the marginal bone level were observed, but one major technical complication occurred.…”

Section: Discussionsupporting

confidence: 73%

“…All patients provided written informed consent prior to inclusion in this follow‐up study. The inclusion and exclusion criteria have previously been described in detail (Schnider et al., 2018). The manuscript was organized according to the Strengthening the Reporting of Observational studies in Epidemiology (STROBE) guidelines (Cuschieri, 2019).…”

Section: Methodsmentioning

confidence: 99%

“…Fifty implant crowns based on hand‐veneered CAD/CAM zirconia abutments have been evaluated in a previous short‐term follow‐up study with a mean observation period time of 2.3 years (1.1–3.8 years) (Schnider et al., 2018). The aim of the present prospective clinical study was to assess the performance of screw‐retained one‐piece implant crowns fabricated with CAD/CAM zirconia abutments of the same group of patients, in terms of clinical performance, esthetics and clinical parameters, biological and technical complications, and patient satisfaction after a follow‐up of 4.5‐ to 8.8‐year.…”

Section: Introductionmentioning

confidence: 99%

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Clinical performance of implant crowns with customized zirconia abutments: A prospective cohort study with a 4.5‐ to 8.8‐year follow‐up

Fonseca

Molinero‐Mourelle

Forrer

et al. 2021

Clinical Oral Implants Res

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Objective To assess the clinical and esthetic outcomes and patient satisfaction of screw‐retained one‐piece implant crowns fabricated with zirconia abutments after a 4.5‐ to 8.8‐year follow‐up. Material and methods Thirty‐two patients (12 women and 20 men), who received 40 implant single crowns in anterior and premolar sites, were included in this prospective study. All restorations were based on ceramic hand‐veneered customized CAD/CAM zirconia abutments. The follow‐up consisted of clinical and radiological examinations. The pink esthetic score–white esthetic score (PES‐WES) was used to evaluate the esthetic outcome. Patients’ satisfaction was assessed via visual analog scale (VAS). Results Implant and prosthetic survival rates were 100% and 97.5%, respectively. Mean marginal bone loss was −0.17 mm (SD 1.16 mm). Probing depth was ≤4 mm in 98.7% and 5 mm in 1.3% of the sites; 8.3% of them were bleeding on probing positive. No technical or biological complications were observed except for one abutment fracture. The mean PES‐WES scores were 7.0 and 7.1, respectively. VAS scores (10‐point) of 9.41 for function and 9.26 for esthetics showed high patient satisfaction. Conclusion After a mean observation period of 6 years and 7 months, screw‐retained implant crowns based on veneered customized CAD/CAM zirconia abutments with conical connection showed very good clinical performance and may be recommended for the replacement of missing anterior and premolar teeth. (ClinicalTrials.gov # NCT04370314).

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Section: Discussionsupporting

confidence: 73%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Clinical performance of implant crowns with customized zirconia abutments: A prospective cohort study with a 4.5‐ to 8.8‐year follow‐up

Fonseca

Molinero‐Mourelle

Forrer

et al. 2021

Clinical Oral Implants Res

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“…In a retrospective study by Schnider, Forrer, Bragger, and Hicklin (2018), 50 bone level type implants were restored with one-piece In a prospective study by Zembic, Philipp, Hammerle, Wohlwend, and Sailer (2015), 31 zirconia abutments were examined at 11 years. The following technical complications occurred:…”

Section: Discussionmentioning

confidence: 99%

“…In a retrospective study by Schnider, Forrer, Bragger, and Hicklin (), 50 bone level type implants were restored with one‐piece screw‐retained implant crowns with individualized CAD/CAM Y‐TZP abutments—after a follow‐up time of 1.1–3.8 years, no technical or biological complications neither failures occurred.…”

Section: Discussionmentioning

confidence: 99%

Clinical and esthetic outcomes of two different prosthetic workflows for implant‐supported all‐ceramic single crowns—3 year results of a randomized multicenter clinical trail

Wittneben

Gavric

Sailer

et al. 2020

Clinical Oral Implants Res

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Objective: The aim of this randomized multicenter clinical trial was to evaluate and compare the performance of anterior all-ceramic implant crowns based either on prefabricated zirconia abutments veneered with pressed ceramics or on CAD/CAM zirconia abutments veneered with the hand build-up technique. The null hypothesis was that there is no statistically significant difference between the two study groups.Material and methods: Forty implants were inserted in sites 14-24 (World Dental Federation [FDI]) in two centers, the Universities of Bern and Geneva, Switzerland. Twenty patients each were randomized into either Group A and restored with onepiece single crown made of a prefabricated zirconia abutment with pressed ceramic, or Group B using an individualized CAD/CAM zirconia abutment with the hand-layered technique. After 3 years, clinical, esthetic, and radiographic parameters were assessed. Results: Group A exhibited one dropout patient and one failure resulting in a survival rate of 89% after 3 years and two failures for Group B (90%). Clinical parameters presented healthy peri-implant soft tissues. Overall, no crestal bone level changes were observed (mean DIB of 0.13 mm [Group A] and 0.24 mm [Group B]). There were no significant differences at baseline, 6 months, and 1 and 3 years for DIB values between the two groups. PES and WES values evaluated at all three time points indicated stability over time for both groups and pleasing esthetic outcomes. Conclusions: Both implant-supported prosthetic pathways represent a valuable treatment option for the restoration of implant crowns in the anterior maxilla. K E Y W O R D S bone implant interactions, clinical research, clinical trials, interactions, prosthodontics, soft tissue-implant

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CAD/CAM Custom Abutments for Esthetic Anterior Implant-Supported Restoration: Materials and Design

Kok

Katz

Duqum

2018

Curr Oral Health Rep

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Clinical Performance of One-Piece, Screw-Retained Implant Crowns Based on Hand-Veneered CAD/CAM Zirconia Abutments After a Mean Follow-up Period of 2.3 Years

Cited by 11 publications

References 0 publications

Clinical performance of implant crowns with customized zirconia abutments: A prospective cohort study with a 4.5‐ to 8.8‐year follow‐up

Clinical performance of implant crowns with customized zirconia abutments: A prospective cohort study with a 4.5‐ to 8.8‐year follow‐up

Clinical and esthetic outcomes of two different prosthetic workflows for implant‐supported all‐ceramic single crowns—3 year results of a randomized multicenter clinical trail

CAD/CAM Custom Abutments for Esthetic Anterior Implant-Supported Restoration: Materials and Design

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