I live here <a href="http://apetitmascotas.com/" rel="nofollow">nizagara flashback</a>  To the layperson, jaw deformities present as either an underbite or overbite. âThe teeth are designed so that they all make contact simultaneously, which best distributes the large forces encountered with chewing,â says Taub. âFor kids with a jaw deformity, sometimes only two teeth make contact with biting, which transmits a lot of pressure to the jaw joint and causes injury over time.â