Good 888 - Teeth alignment without braces. Crooked teeth in men older than 40 years Why adult teeth may be crooked . Orthodontist Tatyana Gevorkyan identifies eight major factors.☝ . First, the most common and, unfortunately, the least controllable factor is genetic. Because we are all children of their parents. . On the genetic factor of course we can not influence, but there are genetics to consider. That is, looking at the dentoalveolar syst... Tue, 06 Jun 2017 00:31:01 EDT en