Patchy results often originate from unequal gel application; use well-fitted trays and avoid overfilling to prevent streaks

https://spencerckgc837.raidersfanteamshop.com/in-office-vs-at-home-whitening-which-is-right-for-you-1

Patchy results typically come from irregular gel application; use well-fitted trays and prevent overfilling to avoid streaks, gum inflammation, and squandered item.