I would check your qualifications at WES. They will tell you what it is equal to in Canadian terms. Be aware whether you are a dentist or a dentists assistant you must be licensed by the organization representing your profession. Your education will be checked and they will tell you whether you need to take courses.
dental assistants: https://odaa.org/
dentists: https://www.rcdso.org/en-ca/home
You will find most professional jobs in Canada requires licenses. This is to ensure quality.