Compared to 4% lidocaine along with 1:100,000 epinephrine what was the result of 2% lidocaine along with 1:100,000 epinephrine on The number of cases requiring additional anesthetic?
the duration of anesthesia with 4% lidocaine was longer than that with 2% (228 ± 55 min vs. 207 ± 54 min), although this was not significantly different.