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Clinical Oral Investigations

Erschienen in:

26.09.2023 | Research

Retrospective clinical study of 1472-unit monolithic zirconia restorations with feather-edge margins realized with digital workflow

verfasst von: Adolfo Di Fiore, Carlo Monaco, Edoardo Stellini

Erschienen in: Clinical Oral Investigations | Ausgabe 11/2023

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Abstract

Objectives

To evaluate the clinical performance of monolithic zirconia restorations with feather-edge margins fabricated by digital impressions.

Materials and methods

All participants that present monolithic zirconia restorations with feather-edge margins realized with digital workflow were evaluated during scheduled periodontal maintenance between February and September 2022 according to predetermined inclusion criteria. Clinical performance was assessed using the modified USPHS and periodontal parameters. Overall survival was calculated for monolithic zirconia restorations. Technical and biologic complications were reported. Descriptive statistical analysis and life-table analyses were performed for all data.

Results

A total of 1472 monolithic zirconia FDPs (1279 on abutments and 193 on pontics) placed in 1189 patients (982 males and 490 females) from February 2017 to September 2020 were analyzed. The mean follow-up was 44 months (range 36–61 months), and the overall survival rate was 98.5%. There were 931 single crowns, 96 were 3-unit FDPs, 33 were 4-unit FDPs, 11 were 5-unit FDPs, and 6-unit FDPs. Three single crowns had irreparable cracks, and 6 single crowns and one 4-unit FDP were fractured. One 3-unit FDP failed due to tooth fracture and 5 single crowns failed due to endodontic failure. The loss of retention was noted in 25 monolithic zirconia FDPs and hypersensitivity in 44 single crowns. Biologic complications were uncommon.

Conclusions

Based on the results and its limitations, the monolithic zirconia FPDs and digital impressions represent a favorable prosthetic treatment similar to that reported with other margin designs

Clinical relevance

Monolithic zirconia restorations on vertical-margin abutments fabricated using a digital workflow demonstrate excellent clinical performance. The digital clinical workflow without the use of a cast means a reduction in costs, steps, and operating time.

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Titel: Retrospective clinical study of 1472-unit monolithic zirconia restorations with feather-edge margins realized with digital workflow
verfasst von: Adolfo Di Fiore
Carlo Monaco
Edoardo Stellini
Publikationsdatum: 26.09.2023
Verlag: Springer Berlin Heidelberg
Erschienen in: Clinical Oral Investigations / Ausgabe 11/2023
Print ISSN: 1432-6981
Elektronische ISSN: 1436-3771
DOI: https://doi.org/10.1007/s00784-023-05262-1

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Retrospective clinical study of 1472-unit monolithic zirconia restorations with feather-edge margins realized with digital workflow

Abstract

Objectives

Materials and methods

Results

Conclusions

Clinical relevance

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Die Highlights vom Kongress des American College of Cardiology 2024

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Abstract

Objectives

Materials and methods

Results

Conclusions

Clinical relevance

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