"
　　FOSHAN， China， April 8 (Xinhua) -- China's backstroke specialist Xu Jiayu renewed his own 200m national record at the National Championships here on Friday.


　　Xu timed one minute 54.79 seconds in the final， 0.26 seconds less than his old national record 1:55.05. His time ranks first in the world so far the year. Zhejiang's Li Guangyuan came second in 1:56.41， while Zhejiang's Shi Yi third in 1:59.40.


　　""I tried to think less about the result and focus on my competition，"" said Xu， who also won the 100m back at the Nationals. ""It helps a lot.""


　　""It has been a long time since I last time broke the national record， and it's good to set a new one，"" added Xu. ""The old national record was set in 2014.""


　　Women's 100m breaststroke winner Shi Jinglin of Jiangsu won the 200m title in 2:22.98， a world fourth time. Shanxi's He Yun ranked second in 2:29.16 while Henan's Zhang Xinyu third in 2:29.17.


　　Zhejiang native Wang Shun won the men's 200m medley in 1:57.93， a world third fastest time. Jiangxi swimmer Hu YIxuan ranked second in 2:00.23. Tianjin's An Jiabao took third in 2:01.29.


　　""I expected a 1:57.00 before the final，"" said Wang， who also won the 400m medley in Foshan. ""I didn't feel good in my second half.""


　　A lot of star swimmers favor the medley event as American stars Michael Phelps and Ryan Rochte ranked fifth and sixth currently in the world. The current world No. 1 is Kosuke Hagino of Japan in 1:55.98.


　　Zhejiang also won the women's 100m freestyle title as Zhu Menghui touched home first at 54.19. Jiangsu's Shen Duo trailed in 54.71， while Shanghai veteran Tang Yi came third in 54.75.


　　The National Championships serves as Olympic trials for Chinese swimmers and will end on Sunday. Olympic champion Sun Yang did not show due to foot injuries.

"

Dentists Can Get Rid Of The Stains On Your Teeth Health Articles | November 29 Qadree Ollison Big Tall Jersey , 2011
Dentists can help you erase stains and discolorations on your teeth. But you can do a little bit of prevention yourself by making sure you brush after consuming these 5 things.

One of the most popular treatments that dentists offer is teeth whitening. They have a number of different simple methods that erase all of the stains and discolorations from your smile.

What's Wrong With A Brown Smile?

Why do so many people spend their hard-earned cash having dentists whiten their teeth? It's because the first thing people see about you is your smile. A bright, clear smile gives a great first impression. Even though most of us have some stains or discolorations on our teeth John Cominsky Big Tall Jersey , we can't help noticing when the person we meet has funny colors in their smile! For this reason, teeth whitening is a great option. Here are the main culprits that stain your teeth.

Coffee

Coffee's a wonderfully tasty drink and coffee drinkers are not likely to give it up. But if you're an all-day sipper of coffee Kendall Sheffield Big Tall Jersey , you probably suffer from 'coffee smile.' This is most noticeable on the upper front teeth. Although coffee's one of the absolute worst when it comes to teeth staining, you probably don't have a problem if you just have a cup or two each morning and stop during the day.

Tea

Most people are surprised by this but actually Kaleb McGary Big Tall Jersey , tea stains worse than coffee. If you want proof of this, pour a mug full of coffee and one full of tea. Empty the mugs and see which one has the deeper stain. This is the residue that's ending up on your teeth! Like coffee Chris Lindstrom Big Tall Jersey , the acids in tea eat away at the enamel of your teeth, causing areas of discoloration and widespread yellowing.

Fruit

Certain fruits that have high acid content cause major discoloration of your teeth. By far the worst of these is blueberries. Although wonderful for overall health and one of the most nutrient-packed fruits (often referred to as a 'super food') Takkarist McKinley Big Tall Jersey , these tiny berries can cause serious staining. Fruit juices can also stain.

Cigarettes

If you've already got about ten reasons to consider quitting smoking, add this one to them - the tar and other ingredients in cigarettes are staining agents. They most often stain the inside of your teeth where you're inhaling the smoke. Many smokers think that brushing 2 or 3 times a day will prevent staining Calvin Ridley Big Tall Jersey , but unless you're going to brush after each smoke, you're probably going to have problems.

Wine

Wine has astringents and polyphenols that cause your teeth to wear away. It's extremely acidic and can cause staining if you don't brush your teeth immediately after drinking it. Most people are under the mistaken impression that it's only red wine Julio Jones Big Tall Jersey , but white wine contains the exact same staining agents.

Of course, you don't have to visit dentists to get your teeth whitened. There are teeth whitening kits and gels that you can use at home. However Deion Sanders Big Tall Jersey , the stuff they use at the dentist's office is much stronger. It's guaranteed to get rid of those discolorations perfectly no matter how bad they are.


Article Tags: Teeth Whitening

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