Hello,

With your marks which is 583 in NEET 2021 and rank 26583,the chance of getting a government seat in BDS courses in UP is quite difficult. The previous years  cut off rank for government dental seat was a rank of 18772 which corresponded to 602 marks. So, based on this, it is quite difficult for you to get a government dental seat . Therefore you might try out private colleges for BDS  courses that might be quite likely to get. The private Dental colleges may include-

Saraswati Dental College

Kothiwal Dental College & Research Centre

ITS Dental College

You can easily try to opt for these and many more others. For more information refer to

https://medicine.careers360.com/neet-college-predictor?icn=QnA&ici=qna_answer