As uncomfortable or as unsightly as they may seem Mike White Cowboys Jersey , dental braces are the safest solution to fixing crooked teeth and improving dental health. They're mainly worn by children whose permanent teeth has grown though people who didn't have the opportunity to wear braces as children may also wear them well as adults.

There exist different types of braces whose function is almost all the same but whose appearance is completely different. Some cause fewer allergic reactions in users. Here's a look at what choices an orthodontist will present you with on your next appointment.

Removable and attached

There are two types of braces which have subtypes or styles. Removable ones are worn on the upper teeth and stay in place using metal clips. They're worn throughout the day and removed during cleaning and when playing contact sports.

Attached braces are permanent and can be removed only by a dentist.

Metal braces

Metal braces are those which we're most familiar with. They're visible and wired and have metal brackets ad wires which are held in place by a rubber band. Self ligating braces are a type of metal brace which don't use a rubber band but rather have the wire hold the bracket in place. They're more comfortable than traditional braces and have a faster treatment time.

Titanium braces are another type of metal device. Where most metal braces are made of nickel, they use titanium and are recommended for patients allergic to nickel. Another type advised for patients with nickel allergies is gold-plated stainless steel.

Ceramic braces

Ceramic braces are built like metal braces but use ceramic instead of metal. The main reason for the choice is appearance as ceramic has the color of teeth. The brackets don't stain though the wires do but they're changed every month so that's not a problem.

Ceramic braces don't last as long as metal but are more expensive.

Lingual braces

Lingual braces are not visible as they're attached behind the teeth. This invisibility comes at a higher price than traditional braces but since aesthetics is held in high regard, they're very popular.

One of the drawbacks of lingual braces aside from the cost is getting them fitted. Unlike traditional braces which can be attached by any dentist, lingual braces need orthodontists and dentists to have specialized training. The cost of getting them installed is also higher. Initial discomfort is common as the tongue tries to adjust with the new device.

Invisalign

Invisalign is a brand of transparent, removable aligners. It's currently one of the largest makers of clear, removable dental braces.

What sets Invisalign apart is that it eliminates many of the drawbacks that come with traditional braces. For example, it's barely visible and can be easily removed by the wearer during mealtimes. Unlike other braces, gums, supporting tissue and the tongue are less irritated and root absorption is not rapid or widespread. Traditional braces also prevent x-rays from being taken as they have to be removed by a dentist. Not so with Invisalign.

A lot of the effectiveness of Invisalign depends on the wearer's care. For example, habitual grinding of the teeth can wear down the aligners and not removing them prior to eating can cause debris to lodge. However, the same can be said for other removable aligners as well so it's not a problem so much as it's the need for proper care.
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TIANJIN, Sept. 4 (Xinhua) -- Qin Haiyang from the Chinese Army shattered his own world junior record in the men's 200m breaststroke in 2:07.35 while Sun Yang took the 800m freestyle title at the 13th Chinese National Games here on Monday.

Qin, who set up a national record and world junior record 2:08.71 at the Chinese National Spring Championships last April, dominated the field from the start to the end. And his result could bring him a silver medal at the FINA World Championships one month ago.

Yang Zibei, winner of the 100m breaststroke, came to second in 2:08.75 and local favorite Li Xiang third 2:10.67.

""I thought of breaking the record because I just improved my 100m breaststroke by more than one second. So did in the 200m. I've been training very well this month after returning from the worlds where I did not show my best,"" said the 18-year-old.

Qin later swam in the 200m individual medley semifinal and finished second in 2:01.32.

Olympic champion Sun Yang claimed a comfortable victory in the 800m freestyle final in 7:46.80, ahead of Ji Xinjie of Shandong in 7:52.96 and Qiu Ziao of Shanghai in 7:53.16.

""It was my 102nd gold medal in my career. But in fact, I just focused more on my own performance. I tried to save some energy tonight because I will swim 1,500m and two relays,"" said Sun.

Ning Zetao, the 2015 world champion, showed he was the best by winning the men's 100m freestyle in 47.92, which could rank him sixth in the world. Yu Hexin of Guangdong placed second in 48.63 and Hou Yujie of Henan third in 49.06.

""I only started to tune up for the Games since last May and my focus was 50m and 100m freestyles. I was satisfied with the results and my form today,"" Ning said.

Chasing behind for the most of the race, former world bronze medalist Zhang Yufei from Jiangsu surged ahead to win the women's 200m butterfly in 2:06.17. Zhou Yilin of Hebei took the silver in 2:06.29 and Li Shuang of Henan third in 2:09.31.

Zhang, who won a gold medal from the 4X100m freestyle relay on Aug. 31 and runner-up in the 100m butterfly, said: ""I'm happy to make my personal best since I have not improved my time for two years. It means a lot to me and bring me more confidence.""

Leaders of BRICS countries pose for group photo before summit

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