Name	Info	Provider	Link
Orthodontia	free resource	MedlinePlus Health Information	https://medlineplus.gov/orthodontia.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25723293/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/25723293
	free resource	Silverchair Information Systems	https://meridian.allenpress.com/angle-orthodontist/article-lookup/doi/10.2319/0003-3219.85.2.348