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Internal Allo-Cortical Tenting: A Modified Ridge Split Technique in Three-Dimensional Ridge Augmentation Publisher Pubmed



Goudarzimoghaddam F1 ; Ekhlasmandkermani M2 ; Houshmand B3 ; Sabri H4, 5
Authors
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Authors Affiliations
  1. 1. Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Department of Periodontics, School of Dentistry, Kerman University of Medical Sciences, Kerman, Iran
  3. 3. Department of Periodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  4. 4. Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI, United States
  5. 5. Center for Clinical Research and Evidence Synthesis in Oral Tissue Regeneration (CRITERION), Ann Arbor, MI, United States

Source: Journal of Oral Implantology Published:2024


Abstract

Three-dimensional (3D) alveolar ridge deficiencies necessitate horizontal and vertical bone reconstruction for optimal implant positioning. Despite several available techniques, achieving desired augmentation outcomes remains challenging. This case study aims to present a modified ridge split technique for bone reconstruction in horizontal and vertical dimensions. The proposed technique was used to reconstruct the horizontal and vertical ridge defect from removing a previously failed implant. This technique includes placing a cortical allograft plate as an internal tent in the split ridge. A portion of the plate was inserted into the ridge, while the other part was placed in the coronal of the vertical defect. Additional guided bone regeneration was performed around the tented plate on both the buccal and lingual sides. After 5 months, cone beam computerized tomography revealed sufficient bone formation in horizontal and vertical dimensions. Within the limitations of the present case study, internal cortical tenting would be a reliable method for 3D bone reconstruction in cases where the ridge split is feasible. © 2024 Allen Press Inc.. All rights reserved.
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1. The Influence of Initial Alveolar Ridge Defect Morphology on the Outcome of Implants in Augmented Atrophic Posterior Mandible: An Exploratory Retrospective Study, Clinical Oral Implants Research (2017)