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Vertical ridge augmentation feasibility using unfixed collagen membranes and particulate bone substitutes: A 1- to 7-year retrospective single-cohort observational study

Authors
 Jung-Seok Lee  ;  Jin-Young Park  ;  Hye-Min Chung  ;  Young Woo Song  ;  Franz-Josef Strauss 
Citation
 CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH, Vol.24(3) : 372-381, 2022-06 
Journal Title
CLINICAL IMPLANT DENTISTRY AND RELATED RESEARCH
ISSN
 1523-0899 
Issue Date
2022-06
MeSH
Alveolar Ridge Augmentation* / methods ; Bone Regeneration ; Bone Substitutes* / therapeutic use ; Bone Transplantation / methods ; Collagen / therapeutic use ; Dental Implantation, Endosseous / methods ; Feasibility Studies ; Guided Tissue Regeneration, Periodontal / methods ; Humans ; Membranes, Artificial ; Minerals ; Retrospective Studies
Keywords
alveolar ridge reconstruction ; biomaterials ; bone grafting ; bone regeneration ; bone substitutes
Abstract
Aim: To determine whether vertical ridge augmentation (VRA) can be obtained through guided bone regeneration (GBR) using exclusively resorbable collagen membranes and particulate bone substitutes without additional stabilization.

Materials and methods: This study retrospectively examined 22 participants who underwent VRA with staged or simultaneous implant placement. The vertical defects of all participants were filled with particulate bone substitutes and covered with resorbable collagen membranes. The augmented sites were stabilized with unfixed collagen membranes and the flap without any additional fixation. The augmented tissue height was assessed using cone-beam computed tomography at baseline, immediately after surgery, and at annual follow-ups.

Results: The vertical bone gain of the 22 augmented sites amounted to 6.48 ± 2.19 mm (mean ± SD) immediately after surgery and 5.78 ± 1.72 mm at 1- to 7-year follow-up. Of the 22 augmented sites, 18 exhibited changes of less than 1 mm, while the other 4 showed changes of greater than 1 mm. Histological observation of three representative cases revealed new bone apposition on the remaining material.

Conclusion: The present findings indicate that GBR procedures using exclusively collagen membranes and particulate biomaterials without any additional fixation are feasible options for VRA.
Files in This Item:
T202202328.pdf Download
DOI
10.1111/cid.13084
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실) > 1. Journal Papers
Yonsei Authors
Park, Jin Young(박진영)
Song, Young Woo(송영우) ORCID logo https://orcid.org/0000-0003-1835-5646
Lee, Jung Seok(이중석) ORCID logo https://orcid.org/0000-0003-1276-5978
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/189365
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