Radiographic pelvimetry is of limited value in managing most cephalic presentations.
大多数头先露时放射骨盆测量价值有限。
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Diagnosis is done by visual inspection and radiographic imaging, and treatment and prevention involve stopping demineralization and promoting remineralization, as well as reducing levels of harmful bacteria, and restoring the surface of a tooth, if needed.
过视诊和X线摄片诊断龋齿，治疗和预防手
包括阻止脱矿化和促进再矿化，减少致病
，
必要时修复牙齿表面。
自
识
系统。该系统用于焊缝的射线检测。从硬件和软件两个方面描述了系统的工作原理。
