Dental device for use with unit dose capsules and composite syringes, namely, a dental composite warmer for warming dental restorative and anesthetic materials in the form of a tubular device adapted to fit over the barrel of the dental syringe and featuring a chemically-activated heating element for efficacy in application of the dental restorative and anesthetic materials during dental procedures, ease of dispensing the dental restorative and anesthetic materials, and improved user comfort