Effect of veneering material type and thickness ratio on flexural strength of bi-layered PEEK restorations before and after thermal cycling.
Ahmed GoudaAshraf SherifMennatallah WahbaTarek MorsiPublished in: Clinical oral investigations (2023)
According to the results of that study, PEEK cores are best veneered with conventionally layered composite with core to veneering thickness ratio being 1:0.5.