Up until now the wires I have had in place have been fairly thin and round.  When they are put into the brackets there is a bit of a tighter feeling, and a slight return of the tender feeling, but this quickly passes. Today I was to receive my first thicker square profiled wire…we’re starting on the business end of the tooth movement now and Dr Levinson is calling in the cavalry. The technology in those tiny little 'self ligating' brackets enables quick wire changes and longer time between appointments, which means less inconvenient chair time for us patients.  I highly recommend ...