<p>I had both braces and a Herbst appliance in middle school while playing the trumpet (lot of metal!). It indeed pulls the lower jaw forward to assist with overbite. </p>
<p>I had the same problem – lots of pressure already being placed on the teeth that made it even more painful to add additional trumpet-metal pressure while playing. There are additional mouthpieces you can add that help distribute the pressure over a greater surface area, and you can also try learning to play without applying as much pressure + ibuprofen (which is what I did) – I recommend checking out something like [How</a> to Play Trumpet With Braces | eHow.com](<a href=“http://www.ehow.com/how_5488948_play-trumpet-braces.html]How”>http://www.ehow.com/how_5488948_play-trumpet-braces.html)</p>