Journal of Dental Implant Research 2019; 38(2): 31-38  
The retrospective clinical study of survival rate of locking tapered implants of SNUCONE® with sinus floor elevation
Panjun Kim, Soo Nam Yang, Young Kwon Kim, Uie Sub Shim, Ji Sang Jeong
Department of Oral and Maxillofacial Surgery, Hankook Hospital, Cheongju, Korea
Correspondence to: Soo Nam Yang, Department of Oral and Maxillofacial Surgery, Hankook Hospital, 106, Danjae-ro, Sangdang-gu, Cheongju 28713, Korea. Tel: +82-43-222-6175, Fax: +82-43-255-7007, E-mail: sny1110@nate.com
Received: July 22, 2019; Accepted: September 11, 2019; Published online: September 30, 2019.
© The Korean Academy of Implant Dentistry. All rights reserved.

This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creative commons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Purpose: The purpose of this study was to evaluate the overall survival rate and cumulative survival rates of SF implants (Snucone, Korea) implanted in the maxillary molar area with sinus floor elevation and to analyze the relations with the survival rate according to the patients’ condition, location of implants, diameter, length, height of residual bone, method of sinus floor elevation, prosthesis, and types of opposing dentition.
Materials and Methods: From January 1st, 2014 to December 31st, 2015, 45 patients with 63 SF implants of Snucone® were implanted in the maxillary posterior area with sinus floor elevation at Cheongju Hankook hospital and the follow-up period was up to 5 years.
Results: The survival rate of 63 SF implants in 45 patients who had surgery on the maxillary posterior area with sinus floor elevation from January 1st, 2014 to December 31st, 2015 was 98.1% since one out of 63 implants had failed. Although, cumulative evaluations and researches should be conducted in the future, it is considered that SF implants of Snucone® can achieve excellent treatment results in the case of implant placement in the maxillary molar area with sinus floor elevation according to the results of this study.
Keywords: Maxillary sinus, Locking tapered implant, Survival rate


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