A randomised controlled clinical trial to investigate the rates of alignment of the upper and lower labial segments using conventional, active and passive self-ligating orthodontic brackets
The aims of this project were twofold. Firstly to compare the measurement error using digital Vernier callipers and a 3D laser scanner when using Little's Index of Irregularity on plaster study models. Secondly to establish whether the use of active or passive selfligating brackets results in f...
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University of Bristol
2008
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| Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492646 |