Study on Normal Roentgenographic Cephalometry of Adult in Dalian 大连地区成人正常X线头影测量的研究
Roentgenographic Cephalometry study of the Relationship Between Maxillary Complex and Skull-Mutuality and Compensation Mechanism Between Angle and Line-length 上颌复合体与颅部位置关系的头影测量研究&角度与线距的相关关系及补偿机制
Objective: To evaluate the condition of nasal airway objectively and quantificationally by acoustic rhinometry ( AR) and combining roentgenographic cephalometry to observe the effects of dentofacial development in children with adenoid hypertrophy. 目的:利用鼻声反射技术(acousticrhinometry,AR)对腺样体肥大儿童的鼻气道开放程度进行客观定量评估,同时结合X-线头颅测量法观察腺样体肥大对儿童颌面发育的影响。