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Retrospective clinical evaluation of implant‐supported single crowns: mean follow‐up of 15 years
Malmö universitet, Odontologiska fakulteten (OD). Malmö universitet, Biofilms Research Center for Biointerfaces.ORCID-id: 0000-0002-3460-3374
Malmö universitet, Odontologiska fakulteten (OD).
Malmö universitet, Odontologiska fakulteten (OD). Malmö universitet, Biofilms Research Center for Biointerfaces.ORCID-id: 0000-0002-3912-0830
2019 (Engelska)Ingår i: Clinical Oral Implants Research, ISSN 0905-7161, E-ISSN 1600-0501, Vol. 30, nr 7Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Objective: To retrospectively assess the clinical outcomes of implant‐supported single crowns and the supporting implants. Material and Methods: This retrospective study included all patients treated with implant‐supported single crowns at one specialist clinic. Implant and prosthesis failure, and mechanical/technical complications (ceramic fracture/chipping; crown loss of retention/mobility; crown failure/fracture; loosening/loss/fracture of prosthetic screw; implant failure/fracture) were the outcomes analyzed. Any condition/situation that led to the removal/replacement of crowns was considered prosthesis failure. Results: 438 patients with 567 crowns were included. Mean±SD follow‐up of 183.4±69.3 months. 37 implants (6.5%) and 54 crowns (9.5%) failed. If only technical problems were considered, the crown failure rate decreased to 4.1% (23/567). Most common reasons for crown failure: esthetic issue (n=12), crown constantly mobile (n=9), change to another type of prosthesis together with other implants (n=8), crown fracture (n=7), crown in infraposition in comparison to adjacent teeth (n=7). The odds of crown failure were shown to be statistically significantly higher for the following factors: younger patients, maxillary crowns, and screw‐retained crowns. Loose prosthetic screw was much more prevalent in screw‐retained than in cemented crowns. Ceramic fracture/chipping was more prevalent in screw‐retained crowns, maxillae, females. Crown fracture was more prevalent in ceramic crowns, screw‐retained crowns, maxillae, posterior region, females. However, these differences were statistically significant only for crown fractures in females. Conclusions: The odds of crown failure were significant for some factors, but one must keep in mind that non‐technical complications are as common as technical ones as reasons for the replacement of implant‐supported single crowns.

Ort, förlag, år, upplaga, sidor
John Wiley & Sons, 2019. Vol. 30, nr 7
Nyckelord [en]
Dental implant, Fixed prosthesis, Implant-supported single crown, Technical complications, Survival
Nationell ämneskategori
Odontologi
Identifikatorer
URN: urn:nbn:se:mau:diva-15771DOI: 10.1111/clr.13454ISI: 000501370300010PubMedID: 31066937Scopus ID: 2-s2.0-85066052057Lokalt ID: 28586OAI: oai:DiVA.org:mau-15771DiVA, id: diva2:1419293
Tillgänglig från: 2020-03-30 Skapad: 2020-03-30 Senast uppdaterad: 2024-02-05Bibliografiskt granskad

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Förlagets fulltextPubMedScopushttps://onlinelibrary.wiley.com/doi/10.1111/clr.13454

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Chrcanovic, Bruno RamosKisch, JenöLarsson, Christel

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Chrcanovic, Bruno RamosKisch, JenöLarsson, Christel
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Odontologiska fakulteten (OD)Biofilms Research Center for Biointerfaces
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Clinical Oral Implants Research
Odontologi

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