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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

342 questions in 11 reviews · Pain control and patient management

current versions
No studies 158 · 46.2%Ungraded 53 · 15.5%Very low 87 · 25.4%Low 30 · 8.8%Moderate 10 · 2.9%High 4 · 1.2%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Infiltration injection local anaesthetic vs No treatment or placebo
Participant satisfaction · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
None of the studies reported on patient or child satisfaction0 studiesNo studies
Topical local anaesthetic (spray or dental swab) vs Placebo or no treatment
Intraoperative or postoperative bleeding · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
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 participantsVery low
Infiltration injection local anaesthetic vs No treatment or placebo
Intraoperative or postoperative bleeding · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
Because of substantial clinical and methodological heterogeneity in the studies, we were unable to determine an estimate of effect2 studies · 174 participantsVery low
Infiltration injection LA and intraligamental injection LA (3-arm) vs No treatment
Lip or cheek biting, numbness or allergy · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
The study did not report on lip or cheek biting0 studiesNo studies
Intraligamental injection local anaesthetic vs No treatment
Postoperative pain · Children and young people aged 17 years or younger having dental treatment (including extractions) under general… · On regaining consciousness, up to 1 hour (1 study to 48 hours)
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
Because of substantial clinical and methodological heterogeneity in the studies, we were unable to determine an estimate of effect2 studies · 115 participantsVery low
Infiltration injection local anaesthetic vs No treatment or placebo
Postoperative pain or distress · Children and young people aged 17 years or younger having dental treatment (including extractions) under general… · Postoperatively, typically up to discharge
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
Because of substantial clinical and methodological heterogeneity in the studies, we were unable to determine an estimate of effect6 studies · 542 participantsVery low
Topical local anaesthetic (spray or dental swab) vs Placebo or no treatment
Parental satisfaction · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
No study reported parental satisfaction0 studiesNo studies
Intraligamental injection local anaesthetic vs No treatment
Physiological parameters (cardiac/respiratory events; type and volume of GA drug) · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
None of the studies reported on this outcome0 studiesNo studies
Topical local anaesthetic (spray or dental swab) vs Placebo or no treatment
Participant satisfaction · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
None of the studies reported on patient or child satisfaction0 studiesNo studies
Infiltration injection local anaesthetic vs No treatment or placebo
Postoperative anxiety · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
None of the studies reported on postoperative anxiety0 studiesNo studies
Infiltration injection LA and intraligamental injection LA (3-arm) vs No treatment
Postoperative anxiety · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
Postoperative anxiety (Venham Picture Test) measured in 52 children; not statistically significantly different among the three groups (P=0.23)1 study · 52 participantsUngraded
Intraligamental injection local anaesthetic vs No treatment
Parental satisfaction · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
No study reported parental satisfaction0 studiesNo studies
Topical local anaesthetic (spray or dental swab) vs Placebo or no treatment
Postoperative anxiety · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
None of the studies reported on postoperative anxiety0 studiesNo studies
Infiltration injection local anaesthetic vs No treatment or placebo
Physiological parameters (cardiac/respiratory events; type and volume of GA drug) · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
Because of substantial clinical and methodological heterogeneity in the studies, we were unable to determine an estimate of effect2 studies · 148 participantsVery low
Intraligamental injection local anaesthetic vs No treatment
Participant satisfaction · Children and young people aged 17 years or younger having dental treatment (including extractions) under general…
Intraoperative local anaesthesia for reduction of postoperative pain following general anaesthesia for… (2014) · Cochrane
The studies did not report on patient or child satisfaction0 studiesNo studies
Ibuprofen (single postoperative oral dose; 200 mg to 512 mg) vs Paracetamol (acetaminophen) (single postoperative oral dose; 600 mg to 1000 mg)
Proportion of patients with >50% maximum pain relief (TOTPAR) over 6 hours · Patients with pain after surgical removal of lower wisdom teeth (third molars) requiring bone removal or with baseline… · 6 hours postdosing, Ibuprofen 400 mg vs paracetamol 1000 mg
Ibuprofen and/or paracetamol (acetaminophen) for pain relief after surgical removal of lower wisdom teeth (2013) · Cochrane
RR 1.47 [1.28, 1.69]5 studies · 646 participantsHigh
Combined paracetamol plus ibuprofen in a single tablet (e.g. paracetamol 1000 mg/ibuprofen 400 mg or 500/200 mg) vs Single drugs given separately (paracetamol 1000 mg or ibuprofen 400 mg)
Proportion of patients with >50% maximum pain relief (TOTPAR) over 2 hours · Patients with pain after surgical removal of lower wisdom teeth (third molars) requiring bone removal or with baseline… · 2 hours postdosing, Paracetamol 1000 mg/ibuprofen 400 mg vs paracetamol 1000 mg or ibuprofen 400 mg
Ibuprofen and/or paracetamol (acetaminophen) for pain relief after surgical removal of lower wisdom teeth (2013) · Cochrane
RR 1.29 [0.91, 1.85]1 study · 170 participantsModerate
Combined paracetamol plus ibuprofen in a single tablet (e.g. paracetamol 1000 mg/ibuprofen 400 mg or 500/200 mg) vs Single drugs given separately (paracetamol 1000 mg or ibuprofen 400 mg)
Adverse events · Patients with pain after surgical removal of lower wisdom teeth (third molars) requiring bone removal or with baseline… · Study period (immediate postoperative)
Ibuprofen and/or paracetamol (acetaminophen) for pain relief after surgical removal of lower wisdom teeth (2013) · Cochrane
The majority of adverse events were minor in nature and usually included nausea, vomiting, headaches and dizziness. Side effect profiles have not been included in a meta-analysis as multiple adverse events were…2 studiesUngraded
Combined paracetamol plus ibuprofen in a single tablet (e.g. paracetamol 1000 mg/ibuprofen 400 mg or 500/200 mg) vs Single drugs given separately (paracetamol 1000 mg or ibuprofen 400 mg)
Proportion of patients with >50% maximum pain relief (TOTPAR) over 6 hours · Patients with pain after surgical removal of lower wisdom teeth (third molars) requiring bone removal or with baseline… · 6 hours postdosing, Paracetamol 1000 mg/ibuprofen 400 mg vs paracetamol 1000 mg or ibuprofen 400 mg
Ibuprofen and/or paracetamol (acetaminophen) for pain relief after surgical removal of lower wisdom teeth (2013) · Cochrane
RR 1.77 [1.32, 2.39]1 study · 170 participantsModerate
Ibuprofen (single postoperative oral dose; 200 mg to 512 mg) vs Paracetamol (acetaminophen) (single postoperative oral dose; 600 mg to 1000 mg)
Proportion of patients with >50% maximum pain relief (TOTPAR) over 2 hours · Patients with pain after surgical removal of lower wisdom teeth (third molars) requiring bone removal or with baseline… · 2 hours postdosing, Ibuprofen 400 mg vs paracetamol 1000 mg
Ibuprofen and/or paracetamol (acetaminophen) for pain relief after surgical removal of lower wisdom teeth (2013) · Cochrane
RR 1.30 [1.09, 1.55]5 studies · 645 participantsHigh
Ibuprofen (single postoperative oral dose; 200 mg to 512 mg) vs Paracetamol (acetaminophen) (single postoperative oral dose; 600 mg to 1000 mg)
Patients not using rescue medication at 6 hours · Patients with pain after surgical removal of lower wisdom teeth (third molars) requiring bone removal or with baseline… · 6 hours postdosing, Ibuprofen 400 mg vs paracetamol 1000 mg
Ibuprofen and/or paracetamol (acetaminophen) for pain relief after surgical removal of lower wisdom teeth (2013) · Cochrane
RR 1.50 [1.25, 1.79]4 studies · 542 participantsHigh
Ibuprofen (single postoperative oral dose; 200 mg to 512 mg) vs Paracetamol (acetaminophen) (single postoperative oral dose; 600 mg to 1000 mg)
Patients using rescue medication at 8 hours · Patients with pain after surgical removal of lower wisdom teeth (third molars) requiring bone removal or with baseline… · 8 hours postdosing
Ibuprofen and/or paracetamol (acetaminophen) for pain relief after surgical removal of lower wisdom teeth (2013) · Cochrane
RR 2.02 [1.57, 2.60]2 studiesUngraded
Combined paracetamol plus ibuprofen in a single tablet (e.g. paracetamol 1000 mg/ibuprofen 400 mg or 500/200 mg) vs Single drugs given separately (paracetamol 1000 mg or ibuprofen 400 mg)
Patients not using rescue medication at 8 hours · Patients with pain after surgical removal of lower wisdom teeth (third molars) requiring bone removal or with baseline… · 8 hours postdosing, Paracetamol 1000/500 mg/ibuprofen 400/200 mg vs single constituent drugs
Ibuprofen and/or paracetamol (acetaminophen) for pain relief after surgical removal of lower wisdom teeth (2013) · Cochrane
RR 1.60 [1.36, 1.88]2 studies · 467 participantsHigh
Ibuprofen (single postoperative oral dose; 200 mg to 512 mg) vs Paracetamol (acetaminophen) (single postoperative oral dose; 600 mg to 1000 mg)
Adverse events · Patients with pain after surgical removal of lower wisdom teeth (third molars) requiring bone removal or with baseline… · Study period (immediate postoperative)
Ibuprofen and/or paracetamol (acetaminophen) for pain relief after surgical removal of lower wisdom teeth (2013) · Cochrane
The majority of adverse events were minor in nature and usually included nausea, vomiting, headaches and dizziness. Side effect profiles have not been included in a meta-analysis as multiple adverse events were…7 studiesUngraded
Hypnosis vs Inhalation sedation with nitrous oxide and oxygen
Completion of treatment (yes/no) · Children aged 10 to 16 years undergoing orthodontic extractions (Braithwaite 2005)
Hypnosis for children undergoing dental treatment (2010) · Cochrane
Completion of treatment (yes/no) was a protocol-planned primary outcome but was not reported by the included study for this comparison (Braithwaite 2005); one participant in the sedation arm was withdrawn during…NRNo studies
Hypnosis vs Inhalation sedation with nitrous oxide and oxygen
Anxiety control and overall response to treatment during tooth extraction · Children aged 10 to 16 years undergoing orthodontic extractions (Braithwaite 2005)
Hypnosis for children undergoing dental treatment (2010) · Cochrane
Hypnosis did not provide sufficient anxiety control during tooth extraction, and overall response to treatment remained statistically lower than response to inhalation sedation with nitrous oxide and oxygen (i.e. the…1 study · 10 participantsUngraded
Hypnosis vs No hypnosis (no hypnotic intervention)
Completion of treatment (yes/no) · Children and adolescents up to 16 years of age undergoing dental treatment
Hypnosis for children undergoing dental treatment (2010) · Cochrane
Completion of treatment was a protocol-planned primary outcome but was not reported as an outcome by any of the three included studies; statistical analysis and meta-analysis were not possible due to the insufficient…NRNo studies
Hypnosis vs No hypnosis (no hypnotic intervention)
Physiological measures during local anaesthesia (pulse rate and oxygen saturation) · Children aged 4 to 13 years with no previous dental experience undergoing restorative treatment with local anaesthesia…
Hypnosis for children undergoing dental treatment (2010) · Cochrane
With regard to oxygen saturation and pulse rate, only pulse rate was significantly lower in the hypnosis group (P = 0.005); oxygen saturation did not differ significantly. (Gokli 1994; cross-over, 29 children.)1 study · 29 participantsUngraded
Hypnosis vs No hypnosis (no hypnotic intervention)
Adverse events · Children undergoing dental and orthodontic treatment (Gokli 1994; Trakyali 2008)
Hypnosis for children undergoing dental treatment (2010) · Cochrane
None of the studies mentioned any adverse effects regarding hypnosis. (Gokli 1994; Trakyali 2008.)2 studies · 59 participantsUngraded
Hypnosis vs Inhalation sedation with nitrous oxide and oxygen
Patient preference / acceptance of treatment · Children aged 10 to 16 years undergoing orthodontic extractions (Braithwaite 2005)
Hypnosis for children undergoing dental treatment (2010) · Cochrane
The majority of patients preferred inhalation sedation over hypnosis. (Braithwaite 2005; 10 patients.)1 study · 10 participantsUngraded
Hypnosis vs Inhalation sedation with nitrous oxide and oxygen
Total treatment time · Children aged 10 to 16 years undergoing orthodontic extractions (Braithwaite 2005)
Hypnosis for children undergoing dental treatment (2010) · Cochrane
No significant difference in total treatment time between inhalation sedation and hypnorelaxation; hypnorelaxation demanded little additional time to complete care. (Braithwaite 2005.)1 study · 10 participantsUngraded
Hypnosis vs No hypnosis (no hypnotic intervention)
Difference in post-operative anxiety between test and control groups · Children and adolescents up to 16 years of age undergoing dental treatment
Hypnosis for children undergoing dental treatment (2010) · Cochrane
Difference in post-operative anxiety was a protocol-planned outcome but was not measured or reported by any included study (no post-operative anxiety scale was reported).NRNo studies
Hypnosis vs Inhalation sedation with nitrous oxide and oxygen
Adverse events · Children aged 10 to 16 years undergoing orthodontic extractions (Braithwaite 2005)
Hypnosis for children undergoing dental treatment (2010) · Cochrane
None of the studies mentioned any adverse effects regarding hypnosis. (Braithwaite 2005.)1 study · 10 participantsUngraded
Hypnosis combined with a sedative agent vs Sedation alone (sedative agent only)
Outcome NR · Children and adolescents up to 16 years of age undergoing dental treatment
Hypnosis for children undergoing dental treatment (2010) · Cochrane
No randomised or quasi-randomised trials comparing hypnosis combined with sedation versus sedation alone met the inclusion criteria; this planned comparison had no eligible studies.0 studiesNo studies
Hypnosis vs No hypnosis (no hypnotic intervention)
Measures of behaviour during local anaesthesia administration (undesirable behaviours: crying, hand movement, physical resistance, leg movement) · Children aged 4 to 13 years with no previous dental experience undergoing restorative treatment with local anaesthesia…
Hypnosis for children undergoing dental treatment (2010) · Cochrane
Patients who were hypnotised demonstrated fewer undesirable behaviours (crying, hand movement, physical resistance and leg movement) than those who did not undergo hypnosis. Decreased crying with hypnosis was the only…1 study · 29 participantsUngraded
Hypnosis vs Inhalation sedation with nitrous oxide and oxygen
Measures of behaviour / negative responses during local anaesthesia administration · Children aged 10 to 16 years undergoing orthodontic extractions (Braithwaite 2005)
Hypnosis for children undergoing dental treatment (2010) · Cochrane
Hypnosis can control some of the patient's negative responses to dental treatment, such as movement and behaviour, during administration of local anaesthesia. (Braithwaite 2005; single-blind cross-over, 10 patients…1 study · 10 participantsUngraded
Hypnosis vs No hypnosis (no hypnotic intervention)
Orthodontic appliance (headgear) wearing time and patient co-operation · Children (mean age approximately 10 years) with skeletal Class II division 1 malocclusion undergoing orthodontic… · 6 months
Hypnosis for children undergoing dental treatment (2010) · Cochrane
A statistically significant decrease (P < 0.05) in headgear wear was observed in the control (verbal motivation) group from the first to the sixth month; the difference in the hypnosis group was not significant,…1 study · 30 participantsUngraded
Paracetamol (single oral dose, any dose or formulation; subgroups up to 1000 mg and 1000 mg or more) vs Placebo
Achieving at least 50% pain relief at 4 hours (using pain intensity measurements / SPID) · Patients requiring surgical removal of a lower wisdom tooth or teeth, with baseline moderate to severe pain (surgery… · 4 hours
Paracetamol for pain relief after surgical removal of lower wisdom teeth (2007) · Cochrane
RR 4.87 [2.83, 8.37]17 studies · 1658 participantsUngraded
Paracetamol (single oral dose, any dose or formulation; subgroups up to 1000 mg and 1000 mg or more) vs Placebo
Achieving at least 50% pain relief at 6 hours (using pain intensity measurements / SPID) · Patients requiring surgical removal of a lower wisdom tooth or teeth, with baseline moderate to severe pain (surgery… · 6 hours
Paracetamol for pain relief after surgical removal of lower wisdom teeth (2007) · Cochrane
RR 3.41 [2.34, 4.97]13 studies · 1184 participantsUngraded
Paracetamol (single oral dose, any dose or formulation; subgroups up to 1000 mg and 1000 mg or more) vs Placebo
Patients with one or more adverse events · Patients requiring surgical removal of a lower wisdom tooth or teeth, with baseline moderate to severe pain (surgery… · up to 7 days
Paracetamol for pain relief after surgical removal of lower wisdom teeth (2007) · Cochrane
RR 1.19 [0.90, 1.57]17 studies · 1645 participantsUngraded
Paracetamol (single oral dose, any dose or formulation; subgroups up to 1000 mg and 1000 mg or more) vs Placebo
Achieving at least 50% pain relief at 6 hours (using pain relief measurements / TOTPAR) · Patients requiring surgical removal of a lower wisdom tooth or teeth, with baseline moderate to severe pain (surgery… · 6 hours
Paracetamol for pain relief after surgical removal of lower wisdom teeth (2007) · Cochrane
RR 3.32 [1.88, 5.87]13 studies · 1155 participantsUngraded
Paracetamol (single oral dose, any dose or formulation; subgroups up to 1000 mg and 1000 mg or more) vs Placebo
Achieving at least 50% pain relief at 4 hours (using pain relief measurements / TOTPAR) · Patients requiring surgical removal of a lower wisdom tooth or teeth, with baseline moderate to severe pain (surgery… · 4 hours
Paracetamol for pain relief after surgical removal of lower wisdom teeth (2007) · Cochrane
RR 2.85 [1.89, 4.29]16 studies · 1498 participantsUngraded