Why would Invisalign intentionally make my teeth more crooked?

Invisalign is not the sort of orthodontic appliance that can be used to change bones.  It can certainly improve the smile.  You appear to have a rather narrow upper dental arch.  Widening the "horseshoe" of teeth  can make a bigger smile and at the same time, allow the upper...

Normally the back teeth do not touch  just when you complete invisalign.  The plastic is just as thick in the back as it is in the front, so when you remove the trays and bite, because your jaws are a hinge, the front move further during the motion, and thus contact first....

An underbite, also known as a Class III Malocclusion, can be the result of an underdeveloped maxilla (upper jaw) or overdeveloped mandible (lower jaw). Severe cases almost always require orthodontic surgery (orthognathic surgery). However, mild cases, such as yours do very well with simple...