An evaluation of various permanent restorative materials' effect on the shade of bleached teeth

A Comparison of the Discoloration Potential for EndoSequence Bioceramic Root Repair Material Fast Set Putty and ProRoot MTA in Human Teeth: An In Vitro Study

“…In the present study, human extracted teeth were used to simulate clinical conditions. Notably, in our study, an occlusal access cavity was not performed to prevent specimen color changes due to the restorative material or coronal microleakage. Specimens were instrumented and irrigated with NaOCl to remove pulp tissue and, thus, avoid exacerbating any discoloration .…”