The study is designed to evaluate quality of life and functional performance in patients with type II and III odontoid fracture treated with anterior odontoid screw fixation. We investigated the relationship between quality of life and: (1) the range of axial rotation of the cervical spine, (2) neck pain intensity, and (3) level of disability in these patients. The study involved 60 patients operated on for type II and III fractures with the use of direct osteosynthesis of the dens. Quality of life and functional performance were assessed using SF-36 Questionnaire and Neck Disability Index (NDI). The range of axial rotation was examined with the use of the Zebris ultrasound system while the intensity of pain with the use of the VAS Visual Analog Pain Scale. The subjects’ quality of life was poorer with respect to the mental dimension (32.3%) compared to the physical dimension (22.7%). Based on the NDI survey, the rate representing the patients’ functioning in daily life amounted to 13.7% which reflects mild limitations in functional abilities. It was shown that the range of axial rotation (both to the right and the left) was not related to the degree of disability of patients as measured by the NDI questionnaire. The model of regression was statistically significant for overall quality of life (F = 48.24 p < 0.001), as well as physical dimension (F = 45.1 p < 0.001). Quality of life indicators in SF-36 are decreased in patients operated for type II and III odontoid fracture and the mental dimension of the quality of life is significantly poorer than the physical one. More than half of the patients operated for type II and III odontoid fracture regained normal functioning, as assessed with the NDI questionnaire.

该研究旨在评估接受前牙突螺钉固定治疗的 II 型和 III 型齿状突骨折患者的生活质量和功能表现。我们调查了这些患者的生活质量与：(1) 颈椎轴向旋转范围、(2) 颈部疼痛强度和 (3) 残疾程度之间的关系。该研究涉及 60 名使用牙窝直接接骨术治疗 II 型和 III 型骨折的患者。使用 SF-36 问卷和颈部残疾指数 (NDI) 评估生活质量和功能表现。使用 Zebris 超声系统检查轴向旋转范围，使用 VAS 视觉模拟疼痛量表检查疼痛强度。就心理维度而言，受试者的生活质量较差 (32. 3%) 与物理尺寸 (22.7%) 相比。根据 NDI 调查，代表患者日常生活功能的比率为 13.7%，反映了功能能力的轻度限制。结果表明，轴向旋转的范围（向右和向左）与 NDI 问卷测量的患者的残疾程度无关。回归模型对整体生活质量具有统计学意义 (F = 48.24p  < 0.001），以及物理尺寸（F = 45.1 p  < 0.001）。II型和III型齿状突骨折手术患者SF-36生活质量指标下降，生活质量的心理维度明显低于生理指标。根据 NDI 问卷评估，超过一半的 II 型和 III 型齿状突骨折患者恢复了正常功能。