动态张口位结合比值法诊断寰枢关节失稳、半脱位的研究

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中图分类号：R684.7文献标识码：A

DOI：10.3969/j.issn.1006-1959.2025.15.033 文章编号：1006-1959（2025）15-0149-04

Studyon theDiagnosisof Atlantoaxial Instabilityand Subluxation byDynamicMouth OpeningPositionandRatio Method

ZHANG Nuwen

（DepartmentofRadiology，YongfengCountyPeople'sHospital，Yongfeng3315Oo，Jiangxi，China）

Abstract：ObjectiveToaalyethefetofdyamicouthoeningositiocombinedwitatiotoditedagosisoftlantoaialjit istablitydbesotalfspdalsabilitdbaod People'sHospitalfroNoveer1toDceber3wereseletedstestdybectsAllpatintserediagosedbyyamcouthing positioncombinedwithatiometodTegoldstandardasteresultofMCTiageTheatiofatlantoaxialjointspaceandthehangeofspace afteractitywereanalyzed.Thesensitivityspecifityndauracyofnamicouthopeningatiomethodndombinedexamiatiowere observedtoevaatetuacfagosisesultshaalityfitsstifcoseeodl suspectedslii mouthopeningpositioncombinedwithratiomethodwerehigherthanthatofdynamicmouthopeningpostionandratiomethodalonandthe differencewas statistically significant（ P<0.05 ）.Conclusion Dynamic mouth opening position combined with ratio method can diagnose atlantoaxial jointinstabilityandsubluxationcomprehensivelyandaccurately，andprovidestrongimagingsupportforclinicaltreatment.

Keywords：Dynamic mouthopening position;Ratio method;Atlantoaxial joint;Instability;Subluxation;Diagnostic value

寰枢关节（altantoaxialjoint）作为人体中枢骨骼系统中最活跃且结构复杂的关节之一，承担了颈部旋转近半的职能。（剩余4736字）