بررسی تأثیر قطر و طول ایمپلنت بر میزان بقای آن در جانبازان ایرانی با استفاده از مدلهای شکنندگی
نویسندگان
چکیده مقاله:
Background and purpose: The aim of this study was to investigate the relationship between the implant survival rates and the length and diameter in disabled veterans attending Qazi Tabatabai Dental Clinic, Tehran, Iran during 2000-2010. Materials and methods: A retrospective study was conducted in 181 disabled veterans referring to Qazi Tabatabai Clinic. They received 1,255 implants from three different manufacturers including 3i (Riverside drive, Palm Beach, Gardens, F1, USA), Xive (Friadent GmbH, Mannheim, Germany), and BH (Goteborg, Sweden). The length of implants was classified as short (8-10 mm), medium (11-13 mm), and long (14-15 mm), and the diameter was classified as narrow, regular, and wide. The data analysis was performed using the R statistical software. To evaluate the impacts of the implant length and diameter on its survival rate, the frailty parametric model, with exponential distribution as baseline hazard and gamma distribution as frailty was used. Results: The mean age and injury rate of the patients were 49.47±5.61 years and 42.98%, respectively. In addition, the estimated medians of survival time for 3i, Xive, and BH implants were 76.15, 79.06, and 77.94 months, respectively. There was no significant difference between the survival rate and type of implant (P=0.353). Regarding the implant length, the 3i implant with with long length (14-15 mm) and the Xive implant with medium length (11-13 mm) had the lowest (88%) and highest success rates (97.8%), respectively. According to the frailty model, the higher length and diameter in 3i and Xive implants were associated with higher failure rates; but this condition was not observed in BH implants. Conclusion: We found a significant relationship between implant failure and short length implants. However, no relationship was observed between failure of implant and its diameter.
منابع مشابه
بررسی تاثیر قطر ایمپلنت در میزان بقای آن در جانبازان جنگ تحمیلی مراجعهکننده به درمانگاه قاضی طباطبایی دانشگاه شهید بهشتی در سالهای 1379- 1389
Objective: At present, treatment of edentulous areas with implant-supported prosthesis has greatly increased. The aim of this study was to assess the survival rate of implants with different diameters. Methods: This retrospective study was conducted on 239 warfare victims presenting to Qazi Tabatabaie Clinic during 2000-2010. A total of 1,649 implants were placed. The success criteria included ...
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عنوان ژورنال
دوره 27 شماره 147
صفحات 240- 248
تاریخ انتشار 2017-04
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