The Journal of Contemporary Dental Practice

Register      Login



Volume / Issue

Online First

Related articles

VOLUME 18 , ISSUE 8 ( August, 2017 ) > List of Articles


Risk Factors associated with Dental Implant Failure: A Study of 302 Implants placed in a Regional Center

Mehmet Oztel, Wojciech M Bilski, Arthur Bilski

Citation Information : Oztel M, Bilski WM, Bilski A. Risk Factors associated with Dental Implant Failure: A Study of 302 Implants placed in a Regional Center. J Contemp Dent Pract 2017; 18 (8):705-709.

DOI: 10.5005/jp-journals-10024-2111

Published Online: 01-11-2017

Copyright Statement:  Copyright © 2017; The Author(s).



The aim of this research is to determine which risk factors are associated with dental implant failure and survival.

Materials and methods

Data pertaining to patients who received one or more dental implants from 2011 to 2013 in a regional center were retrospectively reviewed. This included a total of 302 Biomet 3i NanoTite Tapered Certain implants placed in 177 patients. All patients were followed up until the end of 2015.


This study found an overall success rate of 95%. Statistically significant factors that were found to affect implant survival were implant length, surgical technique, and presence of diabetes mellitus DM. Age, gender, body mass index (BMI), implant site, smoking, and variable operators were not found to have any significant implant on implant survival.


This study has demonstrated that the incidence of implant failure and its complications is affected by a number of important factors that clinicians should consider when assessing patients. A follow-up study with a larger sample size, longer follow-up period, and details of the type of prosthetic rehabilitation would be beneficial in producing more definitive conclusions which may improve clinical practice.

Clinical significance

Dental implants play an important role in modern-day dental rehabilitation. It is vital that clinicians understand the impact of variable risk factors on implant survival. This study will add to the growing literature on the subject.

How to cite this article

Oztel M, Bilski WM, Bilski A. Risk Factors associated with Dental Implant Failure: A Study of 302 Implants placed in a Regional Center. J Contemp Dent Pract 2017;18(8):705-709.

PDF Share
  1. Dental implants and diabetes mellitus – a systematic review. Int J Implant Dent 2016 Dec;2(1):5.
  2. Long-term implant success at the academy for oral implantology: 8-year follow-up and risk factor analysis. J Periodontal Implant Sci 2014 Jun;44(3):102-108.
  3. Impact of local and systemic factors on the incidence of oral implant failures, up to abutment connection. J Clin Periodontol 2007 Jul;34(7):610-617.
  4. A retrospective analysis of patients referred for implant placement to a specialty clinic: indications, surgical procedures, and early failures. Int J Oral Maxillofac Implants 2008 Nov-Dec;23(6):1109-1116.
  5. Prevalence and predictive factors for peri-implant disease and implant failure: a cross-sectional analysis. J Periodontol 2015 Mar;86(3):337-347.
  6. One-stage versus two-stage implant placement. A Cochrane systematic review of randomised controlled clinical trials. Eur J Oral Implantol 2009 Summer;2(2):91-99.
  7. Retrospective analysis of dental implants placed between 2012 and 2014: indications, risk factors, and early survival. Int J Oral Maxillofac Implants 2017 May/Jun;32(3):649-654.
  8. Survival of Brånemark System Mk III implants and analysis of risk factors associated with implant failure. Int J Oral Maxillofac Surg 2017 Feb;46(2):267-273.
  9. Dental implant failure rates and associated risk factors. Int J Oral Maxillofac Implants 2005 Jul-Aug;20(4):569-577.
  10. Risk factors affecting dental implant survival. J Oral Implantol 2002;28(2):74-81.
  11. Failure causes, timing, and cluster behavior: an 8-year study of dental implants. Implant Dent 2008 Jun;17(2):200-207.
  12. Smoking, radiotherapy, diabetes and osteoporosis as risk factors for dental implant failure: a meta-analysis. PLoS One 2013 Aug;8(8):e71955.
  13. Risk factors associated with early failure of dental implants. A literature review. Med Oral Patol Oral Cir Bucal 2011 Jul;16(4):e514-e517.
  14. Dental implants in the elderly population: along-term follow-up. Int J Oral Maxillofac Implants 2017 Jan/Feb;32(1):164-170.
  15. A systematic review on survival and success rates of implants placed immediately into fresh extraction sockets after at least 1 year. Clin Oral Implants Res 2012 Feb;23 Suppl 5:39-66.
  16. A meta-analysis examining the clinical survivability of machined-surfaced and osseotite implants in poor-quality bone. Implant Dent 2003;12(1):87-96.
  17. Short dental implants in posterior partial edentulism: a multicenter retrospective 6-year case series study. J Periodontol 2006 Aug;77(8):1340-1347.
  18. National, regional, and global trends in fasting plasma glucose and diabetes prevalence since 1980: systematic analysis of health examination surveys and epidemiological studies with 370 country-years and 2.7 million participants. Lancet 2011 Jul;378(9785):31-40.
  19. Diabetes effects on dental implant survival. Forum Implantol 2012 Feb;8(2):7-14.
  20. Etiology, complications, key systemic and environmental risk factors in dental implant failure. Int J Contemp Dent Med Rev 2015;81:1-6.
PDF Share
PDF Share

© Jaypee Brothers Medical Publishers (P) LTD.