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Long-term retrospective study of narrow implants for fixed dental prostheses

Authors
 Jung-Seok Lee  ;  Hyun-Min Kim  ;  Chang-Sung Kim  ;  Seong-Ho Choi  ;  Jung-Kiu Chai  ;  Ui-Won Jung 
Citation
 CLINICAL ORAL IMPLANTS RESEARCH, Vol.24(8) : 847-852, 2013 
Journal Title
 CLINICAL ORAL IMPLANTS RESEARCH 
ISSN
 0905-7161 
Issue Date
2013
MeSH
Adult ; Aged ; Aged, 80 and over ; Alveolar Process/diagnostic imaging ; Alveolar Ridge Augmentation/methods ; Cementation/methods ; Dental Implantation, Endosseous/adverse effects ; Dental Implants*/adverse effects ; Dental Prosthesis Design* ; Dental Prosthesis, Implant-Supported* ; Dental Restoration Failure ; Denture, Partial, Fixed* ; Female ; Follow-Up Studies ; Humans ; Image Processing, Computer-Assisted/methods ; Longitudinal Studies ; Male ; Mandible/pathology ; Maxilla/pathology ; Middle Aged ; Radiography, Bitewing ; Retrospective Studies ; Survival Analysis ; Treatment Outcome ; Young Adult
Keywords
complication ; dental implant ; narrow implant ; success rate ; survival rate
Abstract
OBJECTIVE: The objectives of this study were to analyze retrospectively the long-term survival and success rates of Narrow implants (NIs) placed with various implant systems, and the association with biological and technical complications. MATERIAL AND METHODS: In total, 338 patients (men = 45.6%, women = 54.4%) who received 541 NIs (≤3.5 mm in diameter) for fixed prostheses were enrolled in this retrospective study. The mean marginal bone level (MMBL) change was calculated. Life table analysis with the cumulative survival rate and success rate was calculated, and biological and technical complications were evaluated. RESULTS: The annual MMBL change was 0.07 ± 0.20 mm. The 12-year cumulative survival (success) rates of NIs were 98.1% (91.8%) and 98.5% (93.8%) for the implant- and subject-based analysis, respectively. During the observation period up to 12 years (mean 4.9 years), six implants were lost in the maxilla, whereas three implants were lost in the mandible. Technical complications were more frequent than biological complications. Infection was the most common underlying cause of biological complications and the most frequent technical complication was decementation. CONCLUSION: In conclusion, the findings of this study suggest that NIs could be used safely for narrow alveolar ridges or narrow mesiodistal spaces on the basis of their high survival rate.
Full Text
http://onlinelibrary.wiley.com/doi/10.1111/j.1600-0501.2012.02472.x/abstract
DOI
10.1111/j.1600-0501.2012.02472.x
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Chang Sung(김창성) ORCID logo https://orcid.org/0000-0003-3902-1071
Lee, Jung Seok(이중석) ORCID logo https://orcid.org/0000-0003-1276-5978
Jung, Ui Won(정의원) ORCID logo https://orcid.org/0000-0001-6371-4172
Chai, Jung Kyu(채중규)
Choi, Seong Ho(최성호) ORCID logo https://orcid.org/0000-0001-6704-6124
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/87362
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