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Can you show me, Doctor?
医生，能指给我看吗？
Surely, please watch me in the hand mirror. I'll reach under the gum with a measuring instrument.
完全可以，请看手镜里我是怎样做的，我要用计量用具捅到牙龈底下。
I'll do this very carefully around one of your teeth.
我会很小心地在您的其中一颗牙齿的周围测量，
I want to show you that there are deep spaces under you gums.
我会指给您看，在您的牙龈底下有很深的空隙。
These spaces are called periodontal pockets.
这些空隙叫做牙周袋，
Some of your teeth are getting loose.
您有些牙齿已经松动了。
Can you see this tooth move when I touch it?
当我碰到这颗牙时，您能看见它在动吗？
What can I do about it, Doctor?
对于这样的牙齿我该怎么办？
I'll begin by scaling and polishing your teeth.
先得把你的牙齿剥刮和磨亮，
The calculus and stains have to be removed before your gums can become healthy.
牙石和污垢得先清除掉，然后牙龈才会变得健康，
You must be taught to use your toothbrush properly.
还得交你如何正常使用牙刷，
You'll also be shown how to use dental floss.
教你如何使用牙线，
One of the most important Parts of treatment is your daily home care.
在治疗当中最重要的部分就是你日常在家的保护，
Without good home care, my treatment will fail.
假如在家对牙齿保护不好，我的治疗就不能收效。
And what if the condition is not treated?
有了这种病况要是不治该会怎样？
If your condition isn't treated, your teeth will get looser.
假如不治疗的话，你的牙齿就会变得更加松动，
Eventually, the teeth will become infected.
最后，牙齿会受到感染。
As a result, they will probably have to be extracted.
结果可能都得拔掉呢！
What about these periodontal pockets?
对于这些牙周袋该怎么办？
How can I keep such areas clean?
我怎样使这些部分保持清洁？
The periodontal pockets that I showed you are areas that are impossible to clean effectively.
我向你所指出的牙周袋是不可能有效地弄干净的地方。
No matter how hard you try to clean your teeth, there will always be small amounts of food and bacteria under the gums.
不管你如何刷洗牙齿，总会有少量的食物和细菌藏在牙龈底下。
There's also calculus under the gums on the roots of the teeth.
在牙根上的牙龈下的地方也会有齿石，
The food, bacteria, and calculus in the pockets cause the gums to bleed.
在牙周袋里的食物、细菌和齿石都会引起牙龈出血，
They are the main cause of gum recession and bone recession.
这些东西是造成牙龈和牙槽骨萎缩的主要原因。
Is there a way to prevent this recession?
有没有办法可以防止萎缩？
I recommend a gingivectomy to eliminate the pockets.
我推荐你做牙龈切除可以消除牙周袋，
If the pockets are eliminated you'll be able to brush and floss your teeth more effectively.
若牙周袋消失了以后，你就可以更有效地使用牙刷和牙线，
Your gums will be healthy.
牙龈会变得健康，
The loss of bone will be controlled, and your teeth will be preserved.
可以控制蛀牙槽骨的消失，牙齿就可以保住。
