There are at least two bands using this name
1. Broken Teeth is a hard rock band with a heavy AC/DC influence, formed in 1999 and led by Dangerous Toys front man Jason McMaster. The band have released four studio albums and one Live Album: Broken Teeth, Guilty Pleasure, Blood on The Radio ( Live ) Electric and Viva La Rock, Fantastico! with Danko Jones. Broken Teeth is writing and recording a new album, "Devil On The Road". The first single was released on ITunes in late 2012.
2. Broken Teeth - Manchester version
Another band also named Broken Teeth is located in Manchester. They have recently completed their 2nd European Tour, have released a 7" through Demon Spawn Records/Power Negi Records and are set to release a 2nd through Purgatory Records (BWP, Hang the Bastard etc) in 2010.