近年来伴随着种植体的普及,无牙颌患者越来越多采用种植体基牙的覆盖义齿修复形式。本文所介绍的是利用全景X线照相,对下颌植入种植体基牙所采取覆盖义齿和固定修复后,上颌颌骨是否有不同的吸收情况进行了研究。 材料和方法 44名无牙颌患者上颌均为常规半口义齿修复,下颌采取下述3种方法修复。 ①2颗种植体基牙的覆盖义齿修复(OD组20名);②4～6颗种植体基牙的固定修复(FFP组12名);③常 In recent years, with the popularity of implants, more and more edentulous patients implant overdenture denture repair forms. This article describes the use of panoramic radiography, mandibular implants implants toothed the overdenture and fixed repair, the maxillary jaw has a different absorption situation were studied. Materials and Methods The maxillary jaws of 44 edentulous patients were treated with conventional half-denture. The mandibles were repaired by the following three methods. ① 2 denture abutments overdenture repair (OD group 20); 4 ~ 6 implants abutment fixation (FFP group 12); ③ often