Self ligating brackets: A Review
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Over the last couple of decades, several types of brackets have evolved with different built-in features prescribed by Andrews, Roth, Burstone, Ricketts, Alexander, Bennet and McLaughlin. Brackets were also introduced in different materials like Stainless Steel, Chromium Cobalt, Titanium, Ceramic, and Ceramic with metal slots and Polycarbonate. These different brackets had their own limitations. In general, these can be summed up as increased treatment time due to increased friction between bracket and arch wire, increased chair time and increased anchorage demand. Conventional brackets have b...
Over the last couple of decades, several types of brackets have evolved with different built-in features prescribed by Andrews, Roth, Burstone, Ricketts, Alexander, Bennet and McLaughlin. Brackets were also introduced in different materials like Stainless Steel, Chromium Cobalt, Titanium, Ceramic, and Ceramic with metal slots and Polycarbonate. These different brackets had their own limitations. In general, these can be summed up as increased treatment time due to increased friction between bracket and arch wire, increased chair time and increased anchorage demand. Conventional brackets have been found to cause soft-tissue lacerations due to the sharp ends of the brackets as well as due to the tucked ends of the ligatures. There are chances of breakage of modules. The increase in mesio-distal width of the brackets decreases interbracket distance and this creates difficulties in controlling three dimensional movements of the teeth. A revolutionary change in the history of bracketswas the introduction of the self-ligating brackets. The concept of self-ligating brackets is not new, with the first designs dating back to the 1930s.
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