However, there isn't any health risk associated with kunjal kriya but sometimes it can lead to dental erosion. The toxins from the stomach can eradicate the outer layer of teeth which leads to dental erosion [efn_note] A case report of patient practising yoga leading to dental erosion https://pubmed.ncbi.nlm.nih.gov/17695740/ [/efn_note]. But it may only happen by daily practice, this is why kunjal kriya is not recommended daily.