dentogelDentogel Gel is an Analgesic, Anaesthetic and Antiseptic gel used for painful conditions in the oral cavity, mouth ulcers, aphthous ulcers, abrasions, toothache and pain associated with teething.Pharmacological action. Dentogel is an antiseptic. This medication is a quaternary ammonium compound, belongs to the cationic surfactant. Dentogel (Benzalkonium Chloride)