Clinical evaluation of bone quality of particulate cancellous bone and marrow, and implant prosthetic rehabilitation

IF 1.8 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Journal of Stomatology Oral and Maxillofacial Surgery Pub Date : 2024-09-01 DOI:10.1016/j.jormas.2024.101862

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Abstract

This study aimed to subjectively evaluate bone quality in the particulate cancellous bone and marrow (PCBM) graft area and to assess the survival rates of implants.

A retrospective review was conducted based on patient age, sex, diagnosis, reconstructed site, number of implants, prosthetic type, and duration of follow-up. Images from computed tomography (CT) before implant insertion were obtained and used in this study. We selected a 4.0-mm diameter × 8.0-mm length region of interest in the implant placement area, and measured the CT attenuation value.

No significant correlations were seen between CT attenuation values and implant survival rates in the maxilla and mandible. On the other hand, CT attenuation values and implant survival rates were significantly lower in patients with malignancy than in non-malignant cases.

Placing implants in PCBM grafted bone requires a full understanding of bone quality before surgery and drilling to ensure primary stability, along with consideration of soft tissue management and maintenance programs.

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对微粒松质骨和骨髓的骨质以及植入假体康复进行临床评估。

本研究旨在对微粒松质骨和骨髓（PCBM）移植区的骨质进行主观评估，并评估植入物的存活率。根据患者的年龄、性别、诊断、重建部位、植入数量、假体类型和随访时间进行了回顾性分析。本研究使用了植入前的计算机断层扫描（CT）图像。我们在植入区域选择了一个直径为 4.0 毫米 × 长度为 8.0 毫米的感兴趣区，并测量了 CT 的衰减值。在上颌骨和下颌骨中，CT 衰减值与种植体存活率之间没有明显的相关性。另一方面，恶性肿瘤患者的 CT 衰减值和种植体存活率明显低于非恶性肿瘤患者。在 PCBM 移植骨中植入种植体需要在手术和钻孔前充分了解骨质情况，以确保主要稳定性，同时还要考虑软组织管理和维护计划。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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