Survival Rate of Short, Locking Taper Implants with a Plateau Design: A 5-Year Retrospective Study

Author:

Demiralp Kemal Özgür1,Akbulut Nihat2,Kursun Sebnem3,Argun Didem4,Bagis Nilsun5,Orhan Kaan6

Affiliation:

1. Ministry of Health, Public Hospitals Agency of Turkey, 06520 Ankara, Turkey

2. Oral and Maxillofacial Surgery Department, Faculty of Dentistry, Gaziosmanpaşa University, 60150 Tokat, Turkey

3. Division of Dentomaxillofacial Radiology, Ministry of Health, Bolu Oral and Dental Health Center, 14300 Bolu, Turkey

4. Special Clinic Practice, 06490 Ankara, Turkey

5. Department of Periodontology, Faculty of Dentistry, Ankara University, 06500 Ankara, Turkey

6. Dentomaxillofacial Radiology Department, Faculty of Dentistry, Ankara University, 06500 Ankara, Turkey

Abstract

Background. Short implants have become popular in the reconstruction of jaws, especially in cases with limited bone height. Shorter implants, those with locking tapers and plateau root shapes, tend to have longer survival times. We retrospectively investigated the cumulative survival rates of Bicon short implants (<8 mm) according to patient variables over a 5-year period.Materials and Methods. This study included 111 consecutively treated patients with 371 implants supporting fixed or removable prosthetics. Data were evaluated to acquire cumulative survival rates according to gender, age, tobacco use, surgical procedure, bone quality, and restoration type. Statistics were performed using chi-square, Mann-Whitney, and Kruskal Wallis H tests.Results. The survival rate was 97.3% with, on average, 22.8 months of follow-up. Patients older than 60 years had higher failure rate than the other age groups (P<0.05). Placed region, age, and bone quality had adverse effects on survival rate in the <8 mm implant group with statistically significant difference (P<0.05).Conclusions. Approximately 23-month follow-up data indicate that short implants with locking tapers and plateau-type roots have comparable survival rates as other types of dental implants. However, due to limitations of study, these issues remain to be further investigated in future randomized controlled clinical trials.

Publisher

Hindawi Limited

Subject

General Immunology and Microbiology,General Biochemistry, Genetics and Molecular Biology,General Medicine

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