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Evaluation of mandibular posterior single implants with two different surfaces: a 5-year comparative study.

Authors
 Ui-Won Jung  ;  Jung-Yoo Choi  ;  Chang-Sung Kim  ;  Kyoo-Sung Cho  ;  Jung-Kiu Chai  ;  Chong-Kwan Kim  ;  Seong-Ho Choi 
Citation
 JOURNAL OF PERIODONTOLOGY, Vol.79(10) : 1857-1863, 2008 
Journal Title
 JOURNAL OF PERIODONTOLOGY 
ISSN
 0022-3492 
Issue Date
2008
MeSH
Acid Etching, Dental/methods ; Adult ; Aged ; Aged, 80 and over ; Bone Substitutes/therapeutic use ; Bone Transplantation ; Coated Materials, Biocompatible/chemistry ; Dental Abutments ; Dental Etching/methods ; Dental Implants, Single-Tooth* ; Dental Prosthesis Design* ; Dental Restoration Failure ; Female ; Follow-Up Studies ; Guided Tissue Regeneration, Periodontal ; Humans ; Male ; Mandible/surgery* ; Middle Aged ; Molar ; Surface Properties ; Survival Analysis ; Young Adult
Keywords
Cumulative survival rate ; dental implants ; mandible
Abstract
BACKGROUND: Anatomic and biomechanical limitations can jeopardize successful single implantation in the mandibular posterior area. To overcome the limitations, the design and the surface of the fixtures were modified. This study evaluated the cumulative survival rate (CSR) of mandibular molars replaced with a sand-blasted, large-grit, acid-etched (SLA) single implant or an anodized (ANO) single implant and examined associated factors, such as the surface treatment, position, and length and diameter of the implants. METHODS: One hundred ninety-three single implants restored with an SLA implant and 112 single implants restored with an ANO implant in the mandibular molar area were selected from subjects who had visited the Department of Periodontology, Dental Hospital of Yonsei University, from March 2001 through June 2006. In the SLA group, 123 and 70 implants were placed in the first and second molar area, respectively. In the ANO group, 55 and 57 implants were placed in the first and second molar area, respectively. The 1- to 6-year CSR of the SLA and ANO groups was calculated using the life-table analysis. In addition, associated factors, such as the surface treatment, position, and length and diameter of the implants, were compared and analyzed using the chi(2) test (P <0.05). RESULTS: Two of 193 implants in the SLA group failed, giving a CSR of 98.96%; four of 112 ANO implants failed, giving a CSR of 96.43%. There were no significant differences with regard to the surface treatment, position, and length and diameter of the implants. CONCLUSIONS: Despite the anatomic and biomechanical limitation in the mandibular posterior area, mandibular posterior single implants showed a high CSR during the observation period. Mandibular posterior single implants can be an effective and reliable treatment modality that is not affected by the surface treatment, position, or length and diameter of the implant
Full Text
http://www.joponline.org/doi/abs/10.1902/jop.2008.070632
DOI
10.1902/jop.2008.070632
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Chong Kwan(김종관)
Kim, Chang Sung(김창성) ORCID logo https://orcid.org/0000-0003-3902-1071
Cho, Kyoo Sung(조규성) ORCID logo https://orcid.org/0000-0002-6777-5287
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/22282913/107975
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