J Korean Assoc Oral Maxillofac Surg 2009; 35(5): 335~339
CLINICAL & RADIOGRAPHIC EVALUATION FOLLOWING DELAYED IMPLANTATION USING REGULAR DIAMETER IMPLANTS IN THE POSTERIOR REGION
Jung-Yong Choi, Sang-Hwa Lee, Hyun-Joong Yoon
© Korean Association of Oral and Maxillofacial Surgeons. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.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
The purpose of this study was to evaluate clinical and radiographic changes of regular diameter implants placed in the posterior region.
A total of 47 standard diameter implants were consecutively placed in the posterior region of 20 partially edentulous patients. The diameters of the
implants were 4.1mm (N=35, 74%) and 4.3mm (N=12, 26%), respectively. Peri-implant bone loss and clinical parameters such as mobility, suppuration, swelling, bleeding on probing (BOP) were evaluated at the baseline and?the final follow-up visit. The age of the patients ranged between 24~82 years (mean age: 54.7 years).
The cumulative survival rate of the regular diameter implants loaded for a period of 3-24 months (Mean: 11.7±7.9 month) was 100%. The average bone loss over the follow-up was 0.36±0.67 mm. Success rate was 95.7%. Only two implants failed (bone loss exceeding 1mm after 1 year of placement).
Some prosthetic complications occurred, such as screw loosening (N=1) and dissolution of cementation material (N=2).
The present study describes successful outcome following the use of standard-diameter-implants placed in the posterior region, and further comprehensive maintenance practices and follow-up schedules are required.
Keywords: Dental implant, Regular diameter, Posterior region, Bone loss


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