例句 /

A study of the parallel rela-tionship between the occlusal plane and theline connecting nasal alar and tragus wasmade in 90 dentulous cases by using cepha-lometry.

A study of the parallel rela-tionship between the occlusal plane and theline connecting nasal alar and tragus wasmade in 90 dentulous cases by using cepha-lometry.

作者应用头侧位X线片测量法,对90例有牙颌平面与0例无颌堤平面进行了测量和统计分析。