Name	Info	Provider	Link
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/27826390/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/27826390
	free resource	The Korean Academy of Prosthodontics	https://jap.or.kr/DOIx.php?id=10.4047/jap.2016.8.5.396
	free resource	scite Smart Citations	https://scite.ai/reports/27826390