A Study of the Associated Risk Factors for Early Failure and the Effect of Photofunctionalisation in Full-Arch Immediate Loading Treatment Based on the All-on-Four Concept

Early implant failure occurring within 1 year after implantation has been attributed to various factors. Particularly, early failure can lead to challenges in maintaining a full-arch prosthetic device, necessitating prompt intervention, including reoperation. This study aimed to retrospectively exam...

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Main Authors: Takashi Uesugi, Yoshiaki Shimoo, Motohiro Munakata, Yu Kataoka, Daisuke Sato, Kikue Yamaguchi, Minoru Sanda, Michiya Fujimaki, Kazuhisa Nakayama, Tae Watanabe, Paulo Malo
Format: Article
Language:English
Published: MDPI AG 2024-02-01
Series:Bioengineering
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Online Access:https://www.mdpi.com/2306-5354/11/3/223
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author Takashi Uesugi
Yoshiaki Shimoo
Motohiro Munakata
Yu Kataoka
Daisuke Sato
Kikue Yamaguchi
Minoru Sanda
Michiya Fujimaki
Kazuhisa Nakayama
Tae Watanabe
Paulo Malo
author_facet Takashi Uesugi
Yoshiaki Shimoo
Motohiro Munakata
Yu Kataoka
Daisuke Sato
Kikue Yamaguchi
Minoru Sanda
Michiya Fujimaki
Kazuhisa Nakayama
Tae Watanabe
Paulo Malo
author_sort Takashi Uesugi
collection DOAJ
description Early implant failure occurring within 1 year after implantation has been attributed to various factors. Particularly, early failure can lead to challenges in maintaining a full-arch prosthetic device, necessitating prompt intervention, including reoperation. This study aimed to retrospectively examine implant- and patient-related factors and the effects of photofunctionalisation associated with early failure in patients who underwent treatment using the all-on-four concept in both the maxilla and mandible. We conducted this retrospective study comprising 561 patients with 2364 implants who underwent implant-supported immediate loading with fixed full-arch rehabilitation using the all-on-four concept. We aimed to assess the survival rate within 1 year after implantation and determine the risk factors influencing early failure. The 1-year survival rates after implantation were 97.1% (patient level) and 98.9% (implant level) for the maxilla and 98.5% (patient level) and 99.6% (implant level) for the mandible. There was a significant difference in the implant-level survival rates between the maxilla and mandible, with a lower rate in the maxilla (<i>p</i> = 0.043). The risk factors associated with early implant failure according to the all-on-four concept included the maxilla (implant level) and smoking (patient level). We could not find a significant effect of photofunctionalisation on early failure (<i>p</i> = 0.25) following this treatment protocol.
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spelling doaj.art-1cb0ec53598b401e8444eec537ee3a9c2024-03-27T13:21:48ZengMDPI AGBioengineering2306-53542024-02-0111322310.3390/bioengineering11030223A Study of the Associated Risk Factors for Early Failure and the Effect of Photofunctionalisation in Full-Arch Immediate Loading Treatment Based on the All-on-Four ConceptTakashi Uesugi0Yoshiaki Shimoo1Motohiro Munakata2Yu Kataoka3Daisuke Sato4Kikue Yamaguchi5Minoru Sanda6Michiya Fujimaki7Kazuhisa Nakayama8Tae Watanabe9Paulo Malo10Malo Dental & Medical Tokyo, Tokyo 104-0061, JapanMalo Dental & Medical Tokyo, Tokyo 104-0061, JapanDepartment of Implant Dentistry, Showa University School of Dentistry, Tokyo 145-8515, JapanDepartment of Oral Biomaterials and Technology, Showa University School of Dentistry, Tokyo 142-8555, JapanDepartment of Implant Dentistry, Showa University School of Dentistry, Tokyo 145-8515, JapanDepartment of Implant Dentistry, Showa University School of Dentistry, Tokyo 145-8515, JapanDepartment of Prosthodontics, Showa University School of Dentistry, Tokyo 145-8515, JapanMalo Dental & Medical Tokyo, Tokyo 104-0061, JapanMalo Dental & Medical Tokyo, Tokyo 104-0061, JapanMalo Dental & Medical Tokyo, Tokyo 104-0061, JapanMalo Dental & Medical Tokyo, Tokyo 104-0061, JapanEarly implant failure occurring within 1 year after implantation has been attributed to various factors. Particularly, early failure can lead to challenges in maintaining a full-arch prosthetic device, necessitating prompt intervention, including reoperation. This study aimed to retrospectively examine implant- and patient-related factors and the effects of photofunctionalisation associated with early failure in patients who underwent treatment using the all-on-four concept in both the maxilla and mandible. We conducted this retrospective study comprising 561 patients with 2364 implants who underwent implant-supported immediate loading with fixed full-arch rehabilitation using the all-on-four concept. We aimed to assess the survival rate within 1 year after implantation and determine the risk factors influencing early failure. The 1-year survival rates after implantation were 97.1% (patient level) and 98.9% (implant level) for the maxilla and 98.5% (patient level) and 99.6% (implant level) for the mandible. There was a significant difference in the implant-level survival rates between the maxilla and mandible, with a lower rate in the maxilla (<i>p</i> = 0.043). The risk factors associated with early implant failure according to the all-on-four concept included the maxilla (implant level) and smoking (patient level). We could not find a significant effect of photofunctionalisation on early failure (<i>p</i> = 0.25) following this treatment protocol.https://www.mdpi.com/2306-5354/11/3/223all-on-fourimmediate loadingearly failurecomplete edentulousphotofunctionalisation
spellingShingle Takashi Uesugi
Yoshiaki Shimoo
Motohiro Munakata
Yu Kataoka
Daisuke Sato
Kikue Yamaguchi
Minoru Sanda
Michiya Fujimaki
Kazuhisa Nakayama
Tae Watanabe
Paulo Malo
A Study of the Associated Risk Factors for Early Failure and the Effect of Photofunctionalisation in Full-Arch Immediate Loading Treatment Based on the All-on-Four Concept
Bioengineering
all-on-four
immediate loading
early failure
complete edentulous
photofunctionalisation
title A Study of the Associated Risk Factors for Early Failure and the Effect of Photofunctionalisation in Full-Arch Immediate Loading Treatment Based on the All-on-Four Concept
title_full A Study of the Associated Risk Factors for Early Failure and the Effect of Photofunctionalisation in Full-Arch Immediate Loading Treatment Based on the All-on-Four Concept
title_fullStr A Study of the Associated Risk Factors for Early Failure and the Effect of Photofunctionalisation in Full-Arch Immediate Loading Treatment Based on the All-on-Four Concept
title_full_unstemmed A Study of the Associated Risk Factors for Early Failure and the Effect of Photofunctionalisation in Full-Arch Immediate Loading Treatment Based on the All-on-Four Concept
title_short A Study of the Associated Risk Factors for Early Failure and the Effect of Photofunctionalisation in Full-Arch Immediate Loading Treatment Based on the All-on-Four Concept
title_sort study of the associated risk factors for early failure and the effect of photofunctionalisation in full arch immediate loading treatment based on the all on four concept
topic all-on-four
immediate loading
early failure
complete edentulous
photofunctionalisation
url https://www.mdpi.com/2306-5354/11/3/223
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