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Dental braces, with a transparent power chain, removed after completion of treatment. Modern orthodontics makes frequent use of nickel-titanium archwires and temperature-sensitive materials. When cold, the archwire is limp and flexible, easily threaded between brackets of any configuration.
Opinion is that they are likely useful for moderate front-teeth crowding. In those with teeth that are too far forward or backward, or rotated in the socket, the aligners are likely not as effective as conventional braces. More cases of relapse of the anterior teeth have been found with clear aligners compared with conventional braces. [4]
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".
ABC News and star anchor George Stephanopoulos have agreed to pay President-elect Trump $16 million to settle a defamation lawsuit. The settlement was publicly filed Saturday, just days before the ...
The choice to send a previously seen family photo marked a departure from recent years, as Prince William and Princess Kate are known to share brand-new pictures for their Christmas cards.. The ...
If confirmed by the U.S. Senate, Hegseth would lead the largest and most complex federal agency with an annual budget of $840 billion and 3.4 million military and civilian employees.
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.