Dental implants placed on bone subjected to vertical alveolar distraction show the same performance as those placed on primitive bone

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Abstract

Introduction: Vertical osteogenic alveolar distraction (VOAD) allows for the augmentation of the alveolar ridge for the placement of dental implants in atrophic alveolar ridges. The goal of this paper is to assess long-term peri-implant bone resorption in implants placed on bones subjected to VOAD, comparing it with a group of patients who had implants placed directly on the alveolar bone without previous bone regeneration. Material and Methods: We conducted a follow-up study on 32 patients who were divided into two groups: The Distraction Group (14 patients), and the Distraction-Free Group (18 patients), who received a total of 100 implants. Peri-implant bone loss was measured by means of panoramic X-rays, at the time of loading and one year later, and in 35 implants of each group after 3 years of functional loading. Results: The peri-implant bone resorption (PBR) average observed in the Distraction Group at the time of prosthetic placement is higher (0.50±0.09 mm) than in the Distraction-Free Group (0.25±0.06 mm), showing statistically significant results (p=0.047). PBR levels 1 year after loading were the same for both groups (0.66 mm). At 3 years, they were higher in the Distraction Group (1.03 ± 0.22 mm vs. 0.68 ± 0.08 mm). © Medicina Oral S. L. C.I.F.

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Pérez-Sayáns, M., León-Camacho, M. de L. Á., Somoza-Martín, J. M., Fernández-González, B., Blanes-Vázquez-Gundín, S., Gándara-Rey, J. M., & García-García, A. (2013). Dental implants placed on bone subjected to vertical alveolar distraction show the same performance as those placed on primitive bone. Medicina Oral, Patologia Oral y Cirugia Bucal, 18(4). https://doi.org/10.4317/medoral.18545

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