“What are the options for teeth straightening?”

For adult patients, I would only recommand Invisalign. It is most predictable and most comfortable way to straighten teeth in the present time.

Fast teeth straightening options
Metal braces. Metal braces are one of the popular teeth straightening options and attach separately on each of your teeth. ...
Lumineers and Veneers. ...
Invisible aligners. ...
Snap-On Smile.

Today's options for teeth straightening include: - Clear aligners such as Invisalign A popular option that uses a series of custom-made, clear, plastic trays that gradually move your teeth into place. They are barely visible and can be removed for a few hours each day. - SureSmile An orthodontic treatment that uses 3D modeling to identify the right tooth position for each patient. - Ceramic braces A popular alternative to metal braces that uses tooth-colored porcelain or clear brackets bonded to the teeth. - Metal braces Use fixed metal brackets, archwire, and rubber bands to straighten teeth. - Lingual braces A variant of metal braces that are applied behind the teeth instead of on the front. They are less visible, but can be more complicated to make and adjust