Hello sir,
Bachelor of Dental Surgery or BDS course is an undergraduate course in the field of dentistry. This course helps an aspirant to become a dentist.
The duration of BDS degree ranges from 3 years to 5 years.
There are around 300 dental colleges in India which offer BDS course.
The eligibility for this undergraduate course is scoring a minimum of 50% in senior secondary examination with Physics, Chemistry, Biology and English.
If you are talking about cut off required for studying dentist then you must tell about the entrance exam first.
Please tell in the comment section about which exam you are talking about as there are various exams conducted by various universities in all over India.
Good luck.