Dimensional changes after horizontal and vertical guided bone regeneration without membrane fixation using the retentive flap technique: A 1-year retrospective study

To evaluate the dimensional changes after horizontal and vertical guided bone regeneration (GBR) without membrane fixation using the retentive flap technique. This study retrospectively examined two cohorts that received vertical or horizontal ridge augmentations (VA or HA groups). GBR was performed...

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Bibliographic Details
Published in:Clinical implant dentistry and related research 2023-10, Vol.25 (5), p.871-880
Main Authors: Park, Jin-Young, Chung, Hye-Min, Strauss, Franz-Josef, Lee, Jung-Seok
Format: Article
Language:English
Subjects:
Bone biomaterials
Bone growth
Computed tomography
Dehiscence
Dimensional changes
Fixation
Membranes
Regeneration
Regeneration (physiology)
Substitute bone
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Summary:To evaluate the dimensional changes after horizontal and vertical guided bone regeneration (GBR) without membrane fixation using the retentive flap technique. This study retrospectively examined two cohorts that received vertical or horizontal ridge augmentations (VA or HA groups). GBR was performed using particulate bone substitutes and resorbable collagen membranes. The augmented sites were stabilized using the retentive flap technique without any additional membrane fixation. The augmented tissue dimensions were assessed using cone-beam computed tomography at preoperative, immediately postoperative (IP), 4 months (4M), and 1 year (1Y). Postoperative vertical bone gain in 11 participants of VA group amounted to 5.96 ± 1.88 mm at IP, which decreased to 5.53 ± 1.62 at 4M and to 5.26 ± 1.52 mm at 1Y (intragroup p 
ISSN:1523-0899
1708-8208
DOI:10.1111/cid.13237