Humans have not yet reconciled our sharp and flat teeth. This is a deeply biological issue, with roots in our teeth: http://www.katabane.com/mt/dentist.html ht

Humans have not yet reconciled our sharp and flat teeth. This is a deeply biological issue, with roots in our teeth: http://www.katabane.com/mt/dentist.html http://www.katabane.com/mt/dentist.html