Analgesics are available either by prescription or over-the-counter and come in many dosage forms, including aerosol spray, dental paste, gel, lozenges, ointments, and solutions. Dental analgesics are contained in such brand name products as Ambesol, Chloraseptic, Orajel, and Xylocaine.
Based on electrical stimulation studies, 4% Citanest Plain Dental Injection provides a duration of pulpal anesthesia of approximately 10 minutes in maxillary infiltration injections. In clinical studies, this has been found to provide complete anesthesia for procedures lasting an average of 20 minutes.
A dental syringe is a syringe for the injection of a local anesthetic. It consists of a breech-loading syringe fitted with a sealed cartridge containing anesthetic solution. In the UK and Ireland, manually operated hand syringes to inject Lidocaine in to patient's gums.
Marcaine is contraindicated in patients with a known hypersensitivity to it or to any local anesthetic agent of the amide-type or to other components of Marcaine solutions. Boxed Warning the 0.75% concentration of marcaine is not recommended for obstetrical anesthesia.