How Teeth Whitening Only Works on Some Types of Yellow Teeth
Teeth whitening can transform a dull smile into a dazzling smile. If your teeth are yellow or stained, teeth whitening might be just what you need to give your smile a makeover. But whitening doesn't work on all types of yellow teeth. Some teeth are yellow for reasons other than stains. You Can Whiten Teeth Stained By Food or Tobacco The whitening treatment can remove extrinsic stains from teeth. In other words, you can whiten teeth that have turned yellow due to exposure to food pigments and smoke.
Do You Always Need Attachments for Invisalign Treatment?
The idea of straightening teeth incognito appeals to many people. And the ability to remove an aligner at your convenience, within reason, is another plus factor for those wishing to straighten their teeth. But one issue that puts some people off is the need for attachments. Namely, the thought of having attachments on one's teeth for the duration of treatment is unappealing. But not everyone that undergoes a course of Invisalign will need attachments.