Very easy to use, used to dispense Oraqix. Oraqix provides sufficient anesthesia for most SRP patients, so dentists and dental hygienists can perform the procedure fast and effectively. And dentists and dental hygienists alike can be confident in choosing Oraqix because it is FDA-approved with a well-established safety profile. Oraqix is not for injection. Oraqix is contraindicated in patients who are hypersensitive to local anesthetics. Oraqix should not be used in patients with congenital or idiopathic methemoglobinemia.