student visa

Hello. When I am approved to obtain student visa and finish my education program for DDS/DDM how can I continue stay and practice in the US without going back to my country ?

I recently received an acceptance offer. The next steps are to pay my deposit and try to figure out how am I legally allowed to study in the states. From my understanding, I need some type of Visa to study in the states for the 4 years? On the US embassy website it states: " Canadian citizens...