<https://data.doctorgenius.com/definition/incisal-ridges.rdf>
<http://schema.org/description>
"Incisal ridges are the portion of the crown of the tooth that makes up the incisal portion and can be a direct cause of overbite if they are extended too far."
<https://www.dentalexcellencegroupnj.com/dumont-nj/which-is-better-invisalign-or-braces/>