Groups Subgroups No. of Animals Type of local analgesia C C7 3 Tiopental (6mg/kg) 10% (intravenous) C14 3 L L7 3 Lidocaine 2% L14 3 P P7 3 Lidocaine 2% / Epinephrine 0.00227% P14 3 Total 18

Table 1: Showing experimental animals groups.