Patchy results frequently originate from irregular gel application; use well-fitted trays and prevent overfilling to avoid streaks
https://www.mediafire.com/file/7h9nf2cemw5vl40/pdf-54045-80957.pdf/file
Irregular outcomes typically originate from uneven gel application; use well-fitted trays and prevent overfilling to avoid streaks, gum irritation, and lost product.