100992+198+1=100(99+1)2=1100或0.01．
患者，男性，62岁。缺失，活动义齿修复，RPI卡环，近中支托，三臂卡。义齿戴用1周后，主诉义齿游离端压痛、咀嚼不适。口腔内检查发现：义齿各部分均密合，固位及稳定性好，咬合无高点，基托伸展不影响软组织活动，缺牙区黏膜无明显压痛点、红肿或溃疡。
造成义齿压痛的原因是（）
A．卡环固位力差
B．基托下沉
C．基托翘动
D．牙槽嵴负担过重
E．使用不当
根据情景完成对话。
A: You have a big _ 1__, don't you, Rick?
B: Yes,I have two brothers and two__ 2__
A: Wow! How __3__ showers do you have?
B: We _ 4_ _ have one shower.
A: Is that difficult?
B: No, __5__ we have a shower schedule (时间表).My brother Bob takes a shower __6__ at 5:00.
A: Wow! That's __7__
B: Yeah, then my sister Mary takes a shower at 6:00. __8__ my brother Jerry takes a shower at 7:00,
even my sister Alice at 8:00. I'm the __9__ one to take a shower. Because I like to sleep a little
_10__ in the morning.
缺失，活动义齿修复，
RPI卡环，
近中
支托，
三臂卡。义齿戴用1周后，主诉义齿游离端压痛、咀嚼不适。口腔内检查发现：义齿各部分均密合，固位及稳定性好，咬合无高点，基托伸展不影响软组织活动，缺牙区黏膜无明显压痛点、红肿或溃疡。