Patchy results frequently originate from uneven gel application; use well-fitted trays and avoid overfilling to avoid streaks

https://www.mediafire.com/file/esr8lgkadh171ht/pdf-15244-36395.pdf/file

Patchy outcomes typically come from unequal gel application; use well-fitted trays and avoid overfilling to avoid streaks, gum inflammation, and squandered product.