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/35229220/
subscription/membership/fee required Springer https://dx.doi.org/10.1186/s40510-022-00401-y
free resource Europe PubMed Central https://europepmc.org/abstract/MED/35229220