Clear aligners, such as Invisalign or Spark, are a series of invisible, removable, and comfortable acrylic trays that straighten your teeth like braces. Not only are the aligners invisible, they are removable, so you can eat and drink what you want while in treatment.
Brushing and flossing are also much less of a hassle. The aligners are comfortable and have no metal to cause mouth abrasions during treatment. However, not everyone that needs orthodontic treatment is eligible for clear aligners. Clear aligners are used when only minor adjustments need to take place.