他们也可能表现为冠脉外的栓塞，引起栓塞的栓子来自感染性心内膜炎的赘生物。
They may also represent emboli from an infective endocarditis in which small portions of a vegetation have embolized out the coronary arteries.
结论：套筒冠固位体较冠外精密附着体对基牙牙周影响较小，更有利于基牙牙周组织的健康。
Conclusion: the telescope crown retainer has little influence than the precision attachment retainer to the periodontium of the abutment.
目的：通过对比冠心病患者有创中心动脉压和无创外周动脉（肱动脉）压的差异，探讨我国冠心病患者中心动脉压与冠脉病变支数的关系。
Objective: This was designed to compare peripheral and central blood pressure (BP) in CHD, and investigate the relationship between central BP and the number of diseased coronary vessels in CHD.
目的：评价一种冠外精密附着体义齿修复牙列缺损的临床效果。
Objective:To evaluate the clinical efficacy of extracoronal precise attachment prosthesis in defect of dentition.
结论：球帽型附着体与冠外附着体的联合设计形式具有临床实用价值。
Conclusions: Combined design of stud type attachments and extracoronal attachments had practically value in clinical appliance.
前言：目的：探讨铰链式冠外附着体的临床适用范围。
Purpose: the purpose is to discuss the clinical indications of hinge extracoronal attachment.
前言：目的：探讨铰链式冠外附着体的临床适用范围。
Purpose: the purpose is to discuss the clinical indications of hinge extracoronal attachment.
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