种植牙周围颌骨质量的评价和意义

种植牙骨整合及良好的功能依赖于颌骨局部健康的骨质和足够的骨量.目前,数字化影像技术、计算机断层扫描技术以及双能X线吸收法等骨密度检查方法在临床上的广泛应用,可对牙种植局部颌骨的量和质进行精确的评估,选择合适的种植体及种植部位,了解骨的即刻负荷能力,设计出合理的外科种植方案,获得良好的初期稳定性,提高种植体的负荷能力,监测种植体周围骨质量的变化,对种植牙的预后均具有重要意义.

The evaluation of the quality of jaws after dental implants and its significance

Implant performance is closely related to the load transmission at the bone-to-implant interface where bone quality will be highly variable. It has been demonstrated that poor quality bone is associated with high failure rates. To date, Digital Radiography, Dual energy X-ray absorptiometry and Computed tomography scan technique have gained increasing popularity for precise evaluation of the dental implant field in clinic, which would enable the surgeons to predict implant properties and immediate loading capacity before surgery. Individual preoperative measurements of local bone mineral density could be used to determine the best suited implant sites and types and optimize the prosthetic plan accordingly, which has important significance in the prognosis of the dental implants.