Beautiful design vea - a little simple. I would like to try to avoid the iconic tooth - how about a shadow of a face or outline of faces as an oral surgeon is part of the team also.
I love with your second design Vea how you have used both "melbourne dental suite" and "melbourne emergency dental"...your the first designer to do this!!! love it....anything else apart from the tooth perhaps and maybe breaking up the blue with some darker harbour blue or a black