Why do I have crooked teeth?

Teeth can become crooked for various reasons. Although genetics play some role in determining the size of the jaw and the shape and size of the teeth, several other factors that cause crowding are under your control. The various causes can be listed as

  • Genetics
  • Bad oral habits
  • Illness or injury
  • Poor skeletal posture
  • Poor lip posture
  • Time of permanent tooth eruption
  • Modern diet