PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
MD	Mean difference
CI	Confidence interval
I2	I-squared heterogeneity statistic
RR	Risk ratio
MH	Mantel–Haenszel
QUIN	Quality Assessment Tool for In Vitro Studies
SWiM	Synthesis Without Meta-analysis
GRADE	Grading of Recommendations Assessment, Development and Evaluation
RoBDEMAT	Risk of Bias tool for DEntal MATerials research
REML	Restricted maximum likelihood
CEJ	Cementoenamel junction
CAD/CAM	Computer-aided design/computer-aided manufacturing
PICN	Polymer-infiltrated ceramic network
ZLS	Zirconia-reinforced lithium silicate