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A 10-Year Retrospective Study on the Success or Failure Factors of Implanted Teeth Treated by Some Dental Clinic
Int J Clin Prev Dent 2019;15(3):137-145
Published online September 30, 2019;
© 2019 International Journal of Clinical Preventive Dentistry.

Min Jeong Cho

Research Institute Clinical Dentistry, Praha Dental Clinic, Busan, Korea
Correspondence to: Min Jeong Cho
Received September 2, 2019; Revised September 16, 2019; Accepted September 19, 2019.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Objective: This study evaluated the 10-year implant survival rate based on patient characteristic factors and implant-related factors among the various factors associated with implant survival and observed.

Methods: From December 1, 2007 to December 30, 2017, 200 patients who underwent implant surgery in some dental clinic (Busan, Korea) were studied.

Results: Of 390 implants to 200 people, 14 failed, indicating an implant survival rate of 96.4% and a cumulative implant survival rate of 90.5%. In the implant characteristic factor, in relation to the survival rate according to the jaw, dentition, the upper anterior and upper posterior (p=0.03) and the upper anterior and lower posterior (p=0.001) were verified as influencing factors (p<0.05). Another element that influences the implant survival rate was a diameter of <3.75 mm and of 3.7-4.5 mm (p<0.05). Survival data demonstrated that 57.14% of implants failed in 11 patients within 1 year of the implantation. Finally, the study showed the levels of correlation between the patient characteristic factors and implant characteristic factors; the factors that showed the highest correlation were the duration of survival and implant failure, followed by the correlation between the implant sites and duration of survival and that between the implant sites and implant failure (p<0.05).

Conclusion: Among the various factors involved in the survival of implants, sex and implant survival periods, jaw, dentition and implant diameters have been verified as factors affecting survival rates.
Keywords : dental implants, patient, retrospective study
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