The lingering numbness that can last anywhere from 3 to 5 h after a routine dental procedure is often an unnecessary, inconvenient hassle. Patients may find that their ability to speak, smile, eat and drink is impaired, and may even have uncontrollable drooling. The effects of local dental anesthetics can now be reversed. That's because OraVerse, an anesthetic reversal agent, can return the patient to normal sensation and function in about half the time. OraVerse which is U.S. Food and Drug Administration approved is a safe and effective form of phentolamine mesylate, a vasodilator that has been used in several other medical applications since 1952. OraVerse injection -the first and only proven safe and effective product of its kind can quickly reverse the effects of local dental anesthetics, so patient can carry on without impairment of talk, smile and drink after dental procedures. Studies also have shown that there are no known drug interactions and no evident toxicity or contraindications for using OraVerse.