Welcome! This is an online support group for anyone who is very afraid of dentistry or who suffers with dental phobia. Please note that this is NOT a dental problems forum! You can find a list of them here.
Interns are first year residents that must work under guidance and supervision. In Canada and in the United States of America it seems you would need to hold a DDS or DMD from a school, in Canada or the United States of America, before joining an oral surgeon program. They would have more academic knowledge than a regular dentist.