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Burstone published his first paper in 1959 in Journal of Dental Research. In 1961, Burstone was the first to introduce the photographic occlusogram. He is also known to have developed the segmental Intrusion (orthodontics) arch technique in 1950s. [5] Burstone and Legan in their 1980 paper proposed a constructed horizontal line.
This method was proposed by Dr. Burstone in 1950s. This segmental arch method used two posterior segments and one anterior segment. [4] A separate continuous intrusion arch is used which was inserted in the auxiliary tube of molars on one end and tied to the anterior segment on the other end.
A lingual arch is an orthodontic device which connects two molars in the upper or lower dental arch. The lower lingual arch (LLA) has an archwire adapted to the lingual side of the lower teeth. In the upper arch the archwire is usually connecting the two molars passing through the palatal vault, and is commonly referred as "Transpalatal Arch ...
The keystone (shown in red) of an arch Dropped keystone at Colditz Castle. A keystone (or capstone) is the wedge-shaped stone at the apex of a masonry arch or typically round-shaped one at the apex of a vault. In both cases it is the final piece placed during construction and locks all the stones into position, allowing the arch or vault to ...
This list of the longest arch bridge spans ranks the world's arch bridges by the length of their main span. The length of the main span is the most common way to rank bridges as it usually correlates with the engineering complexity involved in designing and constructing the bridge. [ 1 ]
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An arch bridge is a bridge with abutments at each end shaped as a curved arch.Arch bridges work by transferring the weight of the bridge and its loads partially into a horizontal thrust restrained by the abutments at either side, and partially into a vertical load on the arch supports.
The 7-million-pound arch section of the new eastbound McClugage Bridge will take about 24 hours to be put into place.