What do systematic reviews say?

Preoperative analgesics (analgesics given before dental treatment) vs Placebo or no analgesics

The review found no eligible studies for this question.

• Preoperative analgesics for additional pain relief in children and adolescents having dental treatment 2016 · Cochrane All outcomes
  None of the included studies reported parental satisfaction. PUB3: 'there was no reporting of participant or parent satisfaction in any included study.'
  0 studies
  No studies found

Infiltration injection local anaesthetic vs no treatment or placebo

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
  No study reported parental satisfaction
  0 studies
  No studies found

Primary outcome: topical local anaesthetics vs placebo or 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
  No study reported parental satisfaction
  0 studies
  No studies found

Systemic oral acyclovir vs placebo or no treatment

• Acyclovir for treating primary herpetic gingivostomatitis 2008 · Cochrane All outcomes
  Amir 1997b: no data available. Ducoulombier 1988: tolerance and acceptability of the drug was described as satisfactory, but it was unclear how this was assessed by the trialists.
  1 study
  GRADE not reported