Neet is the only Entrance examination conducted in India for admission to all Medical, dental and ayush courses. So in order to get admission in Dental colleges of India you need to appear and qualify Neet with proper score. The process is also same for NIMS Dental college. There are certain cutoffs for each and every colleges. Only qualifying neet, will not help you to secure admission in any dental or medical college. You need to meet the cutoff score of that particular college. Now going by last year's cutoffs, 322 was the cutoff for government quota seats through state quota in NIMS Dental college for general category candidate while 138 was the cutoff score for Management quota seats. But keep in mind that these are based on last year's data and the cutoffs change every year. To get complete list of all colleges you can get based on your rank use this link
http://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer
You can check the cutoffs of all dental colleges of Rajasthan here
http://medicine.careers360.com/articles/neet-cutoff-rajasthan