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Traditional metal wired braces (also known as "train track braces") are stainless-steel and are sometimes used in combination with titanium. Traditional metal braces are the most common type of braces. These braces have a metal bracket with elastic ties (also known as rubber bands) holding the wire onto the metal brackets. The second-most ...
Clear aligners are orthodontic devices that are a transparent, plastic form of dental braces used to adjust teeth. [1] Clear aligners have undergone changes, making assessment of effectiveness difficult. [2] A 2014 systematic review concluded that published studies were of insufficient quality to determine effectiveness. [3]
Top (left) and bottom (right) retainers Vacuum form retainer in the foreground (used on upper); illustration of an early Hawley retainer in the background. Orthodontic retainers are custom-made devices, usually made of wires or clear plastic, that hold teeth in position after surgery or any method of realigning teeth.
Eventually, a dental company named Ormco started developing lingual brackets in conjunction with Dr. Kurz. [5] After working on several prototypes of brackets initially, the company also faced same problems: Irritation caused to the tongue and high bracket failure rate. Then, an inclined plane was added to the lingual brackets and the company ...
Openclipart, also called Open Clip Art Library, is an online media repository of free-content vector clip art.The project hosts over 160,000 free graphics and has billed itself as "the largest community of artists making the best free original clipart for you to use for absolutely any reason".
Disasters and accidents January 2018 North American blizzard The Norwegian Cruise Line's Norwegian Breakaway cruise ship travels through the storm, delaying its arrival in New York City. (CBS News) (Cruisefever.net) A massive winter storm hits the East Coast of the United States with up to 18 inches of snow predicted to fall between The Carolinas and Maine. So far, three people have died in ...
The Dow Jones Industrial Average reaches 26,000 points for the first time, after surpassing the 25,000-mark on January 4. (Chicago Tribune) In a strategy claimed as "towards healthier products", Nestlé sells its United States confectionery business, number 4 on the market, to Ferrero SpA for $2.8 billion.
Dental braces Braces are usually placed on the front side of the teeth, but they may also be placed on the side facing the tongue (called lingual braces ). Brackets made out of stainless steel or porcelain are bonded to the center of the teeth using an adhesive .