Patchy outcomes typically originate from irregular gel application; usage well-fitted trays and prevent overfilling to avoid streaks

https://donovanqjjh773.theglensecret.com/the-role-of-led-lights-in-professional-teeth-whitening

Irregular outcomes typically originate from irregular gel application; usage well-fitted trays and prevent overfilling to avoid streaks, gum inflammation, and lost item.