the combination radiotherapy groug had lower trismus than the control group (.7% versus.9%, P< 0.0 ).
the combination radiotherapy groug had lower trismus than the control group (.7% versus.9%, P< 0.0 ).
张口困难(门齿距 < cm)发生率综合治疗组和对照组分别为 .7%及 .9% ,前者明显低于后者 ,差别具有显著性 (P<0 .0 )。