What do systematic reviews say?

Infiltration injection LA and intraligamental injection LA (3-arm) vs no treatment

The review found no eligible studies for this question.

• Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for dental… 2014 · Cochrane All outcomes
  None of the studies reported on this outcome
  0 studies
  No studies found

Intraligamental injection local anaesthetic vs no treatment

The review found no eligible studies for this question.

• Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for dental… 2014 · Cochrane All outcomes
  None of the studies reported on this outcome
  0 studies
  No studies found

Primary outcome: topical local anaesthetics vs placebo or no treatment

• Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for dental… 2014 · Cochrane All outcomes
  Elhakim 1993 reported prolonged postoperative bleeding in the no-treatment group; Andrzejowski 2002 reported no difference in bleeding (nurse-assessed 'mild' in both groups)
  2 studies · 160 participants
  Very low

Infiltration injection local anaesthetic vs no treatment or placebo

• Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for dental… 2014 · Cochrane All outcomes
  Because of substantial clinical and methodological heterogeneity in the studies, we were unable to determine an estimate of effect
  2 studies · 174 participants
  Very low