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Comparative Analysis of Peri-Implant Marginal Bone Loss Based on Microthread Location: A 1-Year Prospective Study After Loading

Identifieur interne : 000459 ( PascalFrancis/Curation ); précédent : 000458; suivant : 000460

Comparative Analysis of Peri-Implant Marginal Bone Loss Based on Microthread Location: A 1-Year Prospective Study After Loading

Auteurs : Dong-Wook Song [Corée du Sud] ; Dong-Won Lee [Corée du Sud] ; Chong-Kwan Kim [Corée du Sud] ; Kwang-Ho Park [Corée du Sud] ; Ik-Sang Moon [Corée du Sud]

Source :

RBID : Pascal:10-0033055

Descripteurs français

English descriptors

Abstract

Background: The purpose of the present study was to investigate the short-term effects of microthread location on peri-implant marginal bone levels. Methods: Two types of implants, one with microthreads placed at the implant top (group A) and the other with microthreads placed 0.5 mm below the implant top (group B), were placed adjacent to each other in the partially edentulous areas of 20 patients. In total, 40 implants were placed. Bone loss around each implant was analyzed after 1 year of functional loading, and gingival parameters (modified plaque index and modified sulcus bleeding index) of the peri-implant soft tissue were evaluated. Bone losses after loading and gingival parameters were compared using the paired t test. Results: The average bone loss was 0.16 (SD: 0.19) mm in group A and 0.30 (SD: 0.22) mm in group B after 1-year of functional loading. The paired t test revealed a significant difference in crestal bone loss between groups A and B in individual patients (P= 0.004). No significant differences were found between the two groups for the gingival parameters. Conclusions: Less peri-implant bone loss was observed around implants with microthreads placed at the implant top (group A) compared to those in which microthreads were placed below the top (group B). These results indicated that the microthreads acted to stabilize the peri-implant marginal bone, and their locations played an important role in the stabilization process.
pA  
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A03   1    @0 J. periodontol.
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A08 01  1  ENG  @1 Comparative Analysis of Peri-Implant Marginal Bone Loss Based on Microthread Location: A 1-Year Prospective Study After Loading
A11 01  1    @1 SONG (Dong-Wook)
A11 02  1    @1 LEE (Dong-Won)
A11 03  1    @1 KIM (Chong-Kwan)
A11 04  1    @1 PARK (Kwang-Ho)
A11 05  1    @1 MOON (Ik-Sang)
A14 01      @1 Department of Periodontology, Gangnam Severance Dental Hospital, College of Dentistry, Yonsei University @2 Seoul @3 KOR @Z 1 aut. @Z 2 aut. @Z 5 aut.
A14 02      @1 Department of Periodontology, College of Dentistry, Yonsei University @3 KOR @Z 3 aut.
A14 03      @1 Department of Oral and Maxillofacial Surgery, Gangnam Severance Dental Hospital, College of Dentistry, Yonsei University @3 KOR @Z 4 aut.
A20       @1 1937-1944
A21       @1 2009
A23 01      @0 ENG
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A44       @0 0000 @1 © 2010 INIST-CNRS. All rights reserved.
A45       @0 37 ref.
A47 01  1    @0 10-0033055
A60       @1 P
A61       @0 A
A64 01  1    @0 Journal of periodontology
A66 01      @0 USA
C01 01    ENG  @0 Background: The purpose of the present study was to investigate the short-term effects of microthread location on peri-implant marginal bone levels. Methods: Two types of implants, one with microthreads placed at the implant top (group A) and the other with microthreads placed 0.5 mm below the implant top (group B), were placed adjacent to each other in the partially edentulous areas of 20 patients. In total, 40 implants were placed. Bone loss around each implant was analyzed after 1 year of functional loading, and gingival parameters (modified plaque index and modified sulcus bleeding index) of the peri-implant soft tissue were evaluated. Bone losses after loading and gingival parameters were compared using the paired t test. Results: The average bone loss was 0.16 (SD: 0.19) mm in group A and 0.30 (SD: 0.22) mm in group B after 1-year of functional loading. The paired t test revealed a significant difference in crestal bone loss between groups A and B in individual patients (P= 0.004). No significant differences were found between the two groups for the gingival parameters. Conclusions: Less peri-implant bone loss was observed around implants with microthreads placed at the implant top (group A) compared to those in which microthreads were placed below the top (group B). These results indicated that the microthreads acted to stabilize the peri-implant marginal bone, and their locations played an important role in the stabilization process.
C02 01  X    @0 002B10
C02 02  X    @0 002B15A
C03 01  X  FRE  @0 Ostéopénie @5 01
C03 01  X  ENG  @0 Osteopenia @5 01
C03 01  X  SPA  @0 Osteopenia @5 01
C03 02  X  FRE  @0 Radiographie @5 04
C03 02  X  ENG  @0 Radiography @5 04
C03 02  X  SPA  @0 Radiografía @5 04
C03 03  X  FRE  @0 Implant @5 07
C03 03  X  ENG  @0 Implant @5 07
C03 03  X  SPA  @0 Implante @5 07
C03 04  X  FRE  @0 Os alvéolaire @5 08
C03 04  X  ENG  @0 Alveolar bone @5 08
C03 04  X  SPA  @0 Hueso alveolar @5 08
C03 05  X  FRE  @0 Dent @5 09
C03 05  X  ENG  @0 Tooth @5 09
C03 05  X  SPA  @0 Diente @5 09
C03 06  X  FRE  @0 Dentisterie @5 30
C03 06  X  ENG  @0 Dentistry @5 30
C03 06  X  SPA  @0 Odontología @5 30
C07 01  X  FRE  @0 Pathologie du système ostéoarticulaire @5 37
C07 01  X  ENG  @0 Diseases of the osteoarticular system @5 37
C07 01  X  SPA  @0 Sistema osteoarticular patología @5 37
C07 02  X  FRE  @0 Exploration @5 38
C07 02  X  ENG  @0 Exploration @5 38
C07 02  X  SPA  @0 Exploración @5 38
C07 03  X  FRE  @0 Radiodiagnostic @5 39
C07 03  X  ENG  @0 Radiodiagnosis @5 39
C07 03  X  SPA  @0 Radiodiagnóstico @5 39
N21       @1 018
N44 01      @1 OTO
N82       @1 OTO

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<div type="abstract" xml:lang="en">Background: The purpose of the present study was to investigate the short-term effects of microthread location on peri-implant marginal bone levels. Methods: Two types of implants, one with microthreads placed at the implant top (group A) and the other with microthreads placed 0.5 mm below the implant top (group B), were placed adjacent to each other in the partially edentulous areas of 20 patients. In total, 40 implants were placed. Bone loss around each implant was analyzed after 1 year of functional loading, and gingival parameters (modified plaque index and modified sulcus bleeding index) of the peri-implant soft tissue were evaluated. Bone losses after loading and gingival parameters were compared using the paired t test. Results: The average bone loss was 0.16 (SD: 0.19) mm in group A and 0.30 (SD: 0.22) mm in group B after 1-year of functional loading. The paired t test revealed a significant difference in crestal bone loss between groups A and B in individual patients (P= 0.004). No significant differences were found between the two groups for the gingival parameters. Conclusions: Less peri-implant bone loss was observed around implants with microthreads placed at the implant top (group A) compared to those in which microthreads were placed below the top (group B). These results indicated that the microthreads acted to stabilize the peri-implant marginal bone, and their locations played an important role in the stabilization process.</div>
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   |flux=    PascalFrancis
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   |clé=     Pascal:10-0033055
   |texte=   Comparative Analysis of Peri-Implant Marginal Bone Loss Based on Microthread Location: A 1-Year Prospective Study After Loading
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Wicri

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