Lappanapornlarp, Suwannee, Nathaphon Tangjit, Kanok-on Tantipanichkul, Phonlakorn Buranaprasertsuk, and Supatchai Boonpratham. 2018. “The Color Stability of Esthetic Brackets”. Mahidol Dental Journal 38 (3). Bangkok, Thailand:193-204. https://he02.tci-thaijo.org/index.php/mdentjournal/article/view/179108.