一患者
缺失，
面Ⅱ度龋坏，近中舌向倾斜、不松动，余留牙牙石Ⅱ度，左侧下颌隆凸明显、倒凹大，上颌牙完全正常。
为了减小
所受的扭力，防止义齿翘动，使基牙和牙槽嵴合理分担负荷，可采取以下措施，除了（）。
A．取解剖式印模
B．扩大游离端基托伸展范围
C．减小人工牙的颊、舌径
D．减小人工牙的近、远中径或减数
E．设计近中支托
参考答案：A
解析：
患者在开始修复治疗前需充填
面龋坏，牙周洁治余留牙，手术去除左侧下颌隆凸；此患者属Kennedy第二类第一亚类；局部义齿设计应选择做基牙；为了减小
所受的扭力，可设计RPI卡环；为了使基牙和牙槽嵴合理分担负荷，应取功能性印模，不能取解剖式印模。
There is no proof that cosmetic surgery can really make people happier, but ___小题6:___ this, many people still have very high expectations for it. They think that it will solve all their problems. It is important to remember that cosmetic surgery might ___小题7:___ a part of your body, but it can’t change your whole life. Cosmetic surgery can also be risky. If you have existing health problems, like a weak heart or breathing problems, this kind of operation can sometimes make them worse. In addition, cosmetic surgery is a big industry, and not everyone involved in it is honest. Therefore, you need to choose the clinic for your surgery very carefully. You must be certain that the surgeon you choose is ___小题8:___ to give you cosmetic surgery. The biggest question for someone thinking of having cosmetic surgery is the cost. The price can vary from a few hundred dollars to $10,000 or above. It depends on which part of your body you want to change. Rich stars may not __小题9:___ the cost very high, but most people cannot afford to pay. Perhaps it is cheaper—and better for your health—to learn to live with how you look. |