You are comparing two completely different professions which is quite absurd. See if you want to work in a corporate sector with a good salary and if you want to make decisions and want to work for a company in order to better its performance and manage all the requirements then MBA will be a great choice for you.

If you have aspiration to treat patients, to work as an  Health care professional then BDS will be a great choice.

See there are well know BDS doctors who have done MDS and are earning in Crores as well being the expertise in there field. So its all about your interest. If you go for the right field for the wrong reason you will not be able to grow. Try to analyze what you want to do in life, how you want to see yourself in future and then choose the course which get closer to your dreams. Both the fields have amazing opportunities ahead, but you have to be enthusiastic about the subject.

To know more about BDS visit the link below:

https://www.careers360.com/courses/bds-bachelor-of-dental-surgery

To know more about MBA visit the link below:

https://www.careers360.com/courses/mba-master-of-business-administration

I hope this answer helps. All the very best for your future endeavors!