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Complication incidence of two implant systems up to six years: a comparison between internal and external connection implants

PURPOSE: This study was conducted to compare the cumulative survival rates (CSRs) and the incidence of postloading complications (PLCs) between a bone-level internal connection system (ICS-BL) and an external connection system (ECS). METHODS: The medical records of patients treated with either a ICS...

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Autores principales: Chae, Sung-Wook, Kim, Young-Sung, Lee, Yong-Moo, Kim, Won-Kyung, Lee, Young-Kyoo, Kim, Su-Hwan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Korean Academy of Periodontology 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4341204/
https://www.ncbi.nlm.nih.gov/pubmed/25722923
http://dx.doi.org/10.5051/jpis.2015.45.1.23
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author Chae, Sung-Wook
Kim, Young-Sung
Lee, Yong-Moo
Kim, Won-Kyung
Lee, Young-Kyoo
Kim, Su-Hwan
author_facet Chae, Sung-Wook
Kim, Young-Sung
Lee, Yong-Moo
Kim, Won-Kyung
Lee, Young-Kyoo
Kim, Su-Hwan
author_sort Chae, Sung-Wook
collection PubMed
description PURPOSE: This study was conducted to compare the cumulative survival rates (CSRs) and the incidence of postloading complications (PLCs) between a bone-level internal connection system (ICS-BL) and an external connection system (ECS). METHODS: The medical records of patients treated with either a ICS-BL or ECS between 2007 and 2010 at Asan Medical Center were reviewed. PLCs were divided into two categories: biological and technical. Biological complications included >4 mm of probing pocket depth, thread exposure in radiographs, and soft tissue complications, whereas technical complications included chipping of the veneering material, fracture of the implant, fracture of the crown, loosening or fracture of the abutment or screw, loss of retention, and loss of access hole filling material. CSRs were determined by a life-table analysis and compared using the log-rank chi-square test. The incidence of PLC was compared with the Pearson chi-squared test. RESULTS: A total of 2,651 implants in 1,074 patients (1,167 ICS-BLs in 551 patients and 1,484 ECSs in 523 patients) were analyzed. The average observation periods were 3.4 years for the ICS-BLs and 3.1 years for the ECSs. The six-year CSR of all implants was 96.1% (94.9% for the ICS-BLs and 97.1% for the ECSs, P=0.619). Soft tissue complications were more frequent with the ECSs (P=0.005) and loosening or fracture of the abutment or screw occurred more frequently with the ICS-BLs (P<0.001). CONCLUSIONS: Within the limitations of this study, the ICS-BL was more prone to technical complications while the ECS was more vulnerable to biological complications. GRAPHICAL ABSTRACT: [Image: see text]
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spelling pubmed-43412042015-02-26 Complication incidence of two implant systems up to six years: a comparison between internal and external connection implants Chae, Sung-Wook Kim, Young-Sung Lee, Yong-Moo Kim, Won-Kyung Lee, Young-Kyoo Kim, Su-Hwan J Periodontal Implant Sci Research Article PURPOSE: This study was conducted to compare the cumulative survival rates (CSRs) and the incidence of postloading complications (PLCs) between a bone-level internal connection system (ICS-BL) and an external connection system (ECS). METHODS: The medical records of patients treated with either a ICS-BL or ECS between 2007 and 2010 at Asan Medical Center were reviewed. PLCs were divided into two categories: biological and technical. Biological complications included >4 mm of probing pocket depth, thread exposure in radiographs, and soft tissue complications, whereas technical complications included chipping of the veneering material, fracture of the implant, fracture of the crown, loosening or fracture of the abutment or screw, loss of retention, and loss of access hole filling material. CSRs were determined by a life-table analysis and compared using the log-rank chi-square test. The incidence of PLC was compared with the Pearson chi-squared test. RESULTS: A total of 2,651 implants in 1,074 patients (1,167 ICS-BLs in 551 patients and 1,484 ECSs in 523 patients) were analyzed. The average observation periods were 3.4 years for the ICS-BLs and 3.1 years for the ECSs. The six-year CSR of all implants was 96.1% (94.9% for the ICS-BLs and 97.1% for the ECSs, P=0.619). Soft tissue complications were more frequent with the ECSs (P=0.005) and loosening or fracture of the abutment or screw occurred more frequently with the ICS-BLs (P<0.001). CONCLUSIONS: Within the limitations of this study, the ICS-BL was more prone to technical complications while the ECS was more vulnerable to biological complications. GRAPHICAL ABSTRACT: [Image: see text] Korean Academy of Periodontology 2015-02 2015-02-25 /pmc/articles/PMC4341204/ /pubmed/25722923 http://dx.doi.org/10.5051/jpis.2015.45.1.23 Text en Copyright © 2015 Korean Academy of Periodontology http://creativecommons.org/licenses/by-nc/3.0/ This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/).
spellingShingle Research Article
Chae, Sung-Wook
Kim, Young-Sung
Lee, Yong-Moo
Kim, Won-Kyung
Lee, Young-Kyoo
Kim, Su-Hwan
Complication incidence of two implant systems up to six years: a comparison between internal and external connection implants
title Complication incidence of two implant systems up to six years: a comparison between internal and external connection implants
title_full Complication incidence of two implant systems up to six years: a comparison between internal and external connection implants
title_fullStr Complication incidence of two implant systems up to six years: a comparison between internal and external connection implants
title_full_unstemmed Complication incidence of two implant systems up to six years: a comparison between internal and external connection implants
title_short Complication incidence of two implant systems up to six years: a comparison between internal and external connection implants
title_sort complication incidence of two implant systems up to six years: a comparison between internal and external connection implants
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4341204/
https://www.ncbi.nlm.nih.gov/pubmed/25722923
http://dx.doi.org/10.5051/jpis.2015.45.1.23
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