dentogelLidocaine Topical (Dentogel) is for external use only. Avoid contact with your eyes, nose, and mouth. If you get Lidocaine Topical (Dentogel) in your eyes, rinse immediately with cool water.Dentogel Ointment Price and Availability. The price of Dentogel Ointment can vary depending on the region and the retailer. However, it is generally affordable, making it