Continuing Education For Dentists Need Some Advise For Continuing Education In Us In The Field Of Dentistry?

Need some advise for continuing education in us in the field of dentistry? - continuing education for dentists

I am a dental student in Iran after a general dentist here, which is not far from here, there, I continued my studies in the United States and a specialist will need this information, especialy someone who has been in this situation. no information on examinations, universities, the documents needed, ......?