Treatment outcome
and tooth category
Premolars Molars Total P valuea
N % N % N %
Successful treatment without pain 13 32.5 20 50 33 82.5 0.387b
Failure of treatment due to pain 1 2.5 6 15 7 17.5

aTested between lidocaine and articaine groups.
bNon significant, Fisher's Exact Test.