1. Proper oral hygiene is key to improving the appearance of teeth.
2. Professional tooth straightening can be done with a dental retainer, mouth guard, or Invisalign.
3. Vacuum tubes can be used to straighten teeth at home.
The article provides some useful tips for improving the appearance of teeth and discusses various methods of professional tooth straightening. However, it does not provide any evidence to support its claims and does not explore any potential risks associated with these treatments. Additionally, the article does not present both sides of the argument equally and fails to mention any counterarguments or alternative treatments that may be available. Furthermore, there is no discussion of potential biases in the article or sources for its information, which could lead readers to question its trustworthiness and reliability.