Al-Haddad, Afaf, 		Kah weng, Sebastian Yung, 		Anak jawa, Jannisa, 		Abidin, Shahirah, 		Phui Yi, Tracie, 		Ryzall, Yasmin, AND 		Raja, K.
" Spectrophotometric evaluation of coronal discoloration induced by bioceramic root canal filling materials." <em>Journal of Oral Research</em> [Online], Volume 10 Number 4 (31 August 2021)