Survival of immediate implant restoration: A retrospective study through 9-year-observation

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概要

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• Purpose: The purpose of this retrospective study was to assess the implant survival rate and the risk factors associated with implant failure in patients who had undergone immediate implant restoration.Materials and methods: We performed a retrospective review and an outcome assessment of all patients who received immediate implant restoration between 2000 and 2010 in our department at Tokushima University Hospital. The patients were divided into groups on the basis of the predictor variables: age, gender, implant location, and number of implants per jaw. The cumulative implant survival rate in the paired groups was determined by using Kaplan–Meier analysis and the log-rank test. Cox proportional hazards model was subsequently used to identify exposures associated with implant failure.Results: Using the Kaplan–Meier method, the survival rates at 1, 3, and 9 years were calculated to be 98.8%, 98.0%, and 94.7%, respectively. No statistically significant association was observed between the implant survival rates and the predictor variables: gender, age, location, and number of implants.Conclusions: Immediate implant restoration is a reliable prosthetic procedure with an acceptable survival rate compared to the conventional implant procedure.

• 社団法人 日本補綴歯科学会の論文

著者

• ISHIDA Yuichi

  Department of Oral & Maxillofacial Prosthodontics and Oral Implantology, The University of Tokushima

• TOMOTAKE Yoritoki

  Department of Oral & Maxillofacial Prosthodontics and Oral Implantology, The University of Tokushima

• ICHIKAWA Tetsuo

  Department of Oral & Maxillofacial Prosthodontics and Oral Implantology, The University of Tokushima

• Nagao Daisuke

  Department Of Chemical Engineering Graduate School Of Engineering Tohoku University

• Watanabe Megumi

  Department Of Applied Chemistry Faculty Of Engineering Kumamoto University

• Ichikawa Tetsuo

  Department of Oral & Maxillofacial Prosthodontics and Implantology, The University of Tokushima, Institute of Health Biosciences

• Ishida Yuichi

  Department of Oral & Maxillofacial Prosthodontics and Implantology, The University of Tokushima, Institute of Health Biosciences

• Watanabe Megumi

  Department of Oral & Maxillofacial Prosthodontics and Implantology, The University of Tokushima, Institute of Health Biosciences

• Suito Hideki

  Department of Oral & Maxillofacial Prosthodontics and Implantology, The University of Tokushima, Institute of Health Biosciences

• Nagao Daisuke

  Department of Oral & Maxillofacial Prosthodontics and Implantology, The University of Tokushima, Institute of Health Biosciences

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