BDS

Canada does not have any program called as MDS. It's South Asian particularly an Indian concept. you may apply for DDS and requirement is as follows
You must have successfully completed a dentistry degree program and provide copies of your transcripts and your dentistry degree
If your first language is not English (or you have not completed post-secondary education in the English language),you must demonstrate English language proficiency in any case IELTS or TOEFL is mandatory for student coming from non English speaking countries.
You must complete the NDEB Assessment of Fundamental Knowledge examination. Results are forwarded to the Faculty of Dentistry by NDEB. For information and application procedures for this examination, please contact the Canadian National Dental Examining Board. and also check respective institute where you want to apply for more requirement.

Submit your application in-person
Step 1:
Read complete information on the visa/permit requirements on the IRCC website and download the appropriate application forms and checklist relevant to the purpose of your visit. Please refer to the 'All About Your Visa' page to obtain details on visas/permits.
Step 2:
Fill out the application form and other relevant documents electronically and print.
Forms (including the barcoded sheets) are to be printed on a white, bond quality, non-glossy paper, using a laser printer.
If you are unable to provide all the supporting documents as mentioned in the official IRCC document checklist, you are required to fill out and sign the waiver form and attach it with your application form.
Failure to provide a completed and signed waiver form may result in additional delays or refusal of your application for a visa, permit or travel document.
Step 3:
Read the attached privacy policy, fill out the VFS Consent Form and attach it with their application form.
IMPORTANT: If a completed and signed VFS consent form is not included with the application, we will NOT be able to assist you, and your application will be returned to you.
Step 4:
Pay visa fees as per instructions in the Canadian Visa Office website.
Please note that when submitting application via the CVAC, in person or by mail, visa fees must be paid in addition to CVAC (VFS Global) service charge.
Step 5:
Visit your local Canada Visa Application Centre (CVAC), make sure you bring your passport, photographs, completed forms and all supporting documents as per checklist and IRCC fee instrument and payment instructions. Applicable service charges will be levied. Please ensure you bring an accepted method of payment.
Step 6:
Once you are at CVAC, pay the service charges, hand your complete application and obtain a receipt. This receipt contains your unique tracking number which you will need to track the progress of your application online.
Every year, over 35 million people choose to visit Canada to enjoy the many opportunities which Canada has to offer, including visiting family and friends.
If you wish to visit Canada, you must first find out if you need a visitor (temporary resident) visa.
If you wish to travel to Canada for purposes other than business or pleasure, you are required to apply for a visa in the right category, such as study or temporary work.