title: 'Periodontal ligament anaesthesia: with or without a vasoconstrictor?'.
mesh_terms: D000766:Anesthesia, Dental; D004837:Epinephrine / Q000008:administration & dosage*; D006801:Humans; D008012:Lidocaine
chemical_list: D008012:Lidocaine; D004837:Epinephrine