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Translucent Zirconium Dioxide and Lithium Disilicate: A 3-Year Follow-up of a Prospective, Practice-Based Randomized Controlled Trial on Posterior Monolithic Crowns
Malmö University, Faculty of Odontology (OD).
Malmö University, Faculty of Odontology (OD).ORCID iD: 0000-0002-3912-0830
Malmö University, Faculty of Odontology (OD).ORCID iD: 0000-0001-6593-0151
2021 (English)In: International Journal of Prosthodontics, ISSN 0893-2174, E-ISSN 1139-9791, Vol. 34, no 2, p. 163-+Article in journal (Refereed) Published
Abstract [en]

Purpose: To systematically evaluate and compare the clinical performance of lithium disilicate (LDS)and zirconium dioxide (ZrO2)-based ceramic monolithic crowns in the posterior dentition. Materials and Methods: Treatment was administered by two experienced general dental practitioners in two public dental health care clinics. Forty-four patients received 60 crowns randomized to be either LDS or ZrO2 and cemented with resin cement. Evaluations were performed after 3 years using California Dental Association criteria. Results: The mean follow-up time was 40 months (range: 31 to 50). No crown fractured during the observation time, and no chip-off fractures occurred. The success rate for ZrO2 was 80%, and the survival rate was 93.3%. For LDS, the success rate was 89.7%, and the survival rate was 100%. Survival after 3 years for all crowns together was 96.6%, and success was 84.7%. There was no significant difference between the two materials. Conclusion: Crowns made of monolithic translucent ZrO2 and LDS show equal and promising clinical results from a short-term perspective. There seems to be a difference between how patients and professionals rate crowns concerning esthetics (color and shape), with patients rating the restorations more favorably.

Place, publisher, year, edition, pages
Quintessence , 2021. Vol. 34, no 2, p. 163-+
National Category
Dentistry
Identifiers
URN: urn:nbn:se:mau:diva-42377DOI: 10.11607/ijp.6795ISI: 000642012500004PubMedID: 33882563OAI: oai:DiVA.org:mau-42377DiVA, id: diva2:1557930
Available from: 2021-05-27 Created: 2021-05-27 Last updated: 2022-06-27Bibliographically approved

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Gardell, EmmaLarsson, ChristelVult von Steyern, Per

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