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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)

866 questions in 43 reviews · Oral and maxillofacial surgery

current versions
No studies 188 · 21.7%Ungraded 548 · 63.3%Very low 81 · 9.4%Low 37 · 4.3%Moderate 8 · 0.9%High 4 · 0.5%

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
Perioperative infraorbital nerve block vs Placebo (sham block)
Time to feeding after surgery · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
This outcome was not reported.0 studiesNo studies
Hyperbaric oxygen therapy plus standard care (surgery, antibiotics, oral rinse) vs Standard care alone (surgery, antibiotics, oral rinse)
Healing of osteonecrosis - improvement ('healed' or 'improved' vs 'unchanged' or 'worse') · People with BRONJ (mean age ~66 years; most treated with bisphosphonates for cancer (multiple myeloma, breast cancer)… · 18 months
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
RR 1.75 [0.51, 5.98]1 study · 18 participantsUngraded
Perioperative infraorbital nerve block vs Intravenous analgesia
Adverse events · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
2 out of 3 studies reported this outcome. Both studies reported no difference between groups (Rajamani 2007 and Simion 2008: no adverse events attributable to either technique; Delgado 2005 did not report).2 studiesUngraded
Hyperbaric oxygen therapy plus standard care (surgery, antibiotics, oral rinse) vs Standard care alone (surgery, antibiotics, oral rinse)
Healing of osteonecrosis - improvement ('healed' or 'improved' vs 'unchanged' or 'worse') · People with BRONJ (mean age ~66 years; most treated with bisphosphonates for cancer (multiple myeloma, breast cancer)… · Last contact
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
RR 1.78 [0.97, 3.28]1 study · 46 participantsUngraded
Hyperbaric oxygen therapy plus standard care (surgery, antibiotics, oral rinse) vs Standard care alone (surgery, antibiotics, oral rinse)
Healing of osteonecrosis - healed ('healed' vs 'improved', 'unchanged' or 'worse') · People with BRONJ (mean age ~66 years; most treated with bisphosphonates for cancer (multiple myeloma, breast cancer)… · Last contact
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
RR 1.56 [0.77, 3.18]1 study · 46 participantsUngraded
Perioperative infraorbital nerve block vs Infiltration of the incision (peri-incisional infiltration)
Duration of hospitalisation · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
The included studies did not report this outcome.0 studiesNo studies
Hyperbaric oxygen therapy plus standard care (surgery, antibiotics, oral rinse) vs Standard care alone (surgery, antibiotics, oral rinse)
Healing of osteonecrosis - improvement ('healed' or 'improved' vs 'unchanged' or 'worse') · People with BRONJ (mean age ~66 years; most treated with bisphosphonates for cancer (multiple myeloma, breast cancer)… · 3 months
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
RR 1.94 [1.01, 3.74]1 study · 45 participantsVery low
Perioperative infraorbital nerve block vs Intravenous analgesia
Duration of hospitalisation · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
None of the included studies reported this outcome.0 studiesNo studies
Perioperative infraorbital nerve block vs Intravenous analgesia
Pain measured by valid instruments (mean postoperative pain score) · Children up to 13 years of age, undergoing cleft lip repair surgery · 0 to 4 hours (first four hours after surgery)
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
SMD -1.50 [-2.40, -0.60]2 studies · 107 participantsVery low
Perioperative infraorbital nerve block vs Infiltration of the incision (peri-incisional infiltration)
Need for analgesic prescription for pain (supplemental analgesic requirements) · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
RR 0.16 [0.05, 0.51]1 study · 30 participantsVery low
Perioperative infraorbital nerve block vs Placebo (sham block)
Time to first analgesic requirement · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
Takmaz 2009: time to first analgesic requirement significantly longer in the intervention than the placebo group (8.3 +/- 0.9 hours versus 1.6 +/- 0.8 hours; P = 0.001). Not pooled.1 studyUngraded
Hyperbaric oxygen therapy plus standard care (surgery, antibiotics, oral rinse) vs Standard care alone (surgery, antibiotics, oral rinse)
Healing of osteonecrosis - healed ('healed' vs 'improved', 'unchanged' or 'worse') · People with BRONJ (mean age ~66 years; most treated with bisphosphonates for cancer (multiple myeloma, breast cancer)… · 18 months
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
RR 1.00 [0.25, 4.00]1 study · 18 participantsUngraded
Perioperative infraorbital nerve block vs Intravenous analgesia
Time to feeding after surgery (in minutes) · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
MD -9.45 [-17.37, -1.53]2 studies · 128 participantsLow
Perioperative infraorbital nerve block vs Infiltration of the incision (peri-incisional infiltration)
Pain measured by valid instruments · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
No numeric data available; one study reported difference favouring control group only at 6 hours postoperatively. One study reported that children in the intervention group had lower pain scores between 1 and 8 hours…2 studiesUngraded
Any experimental intervention (surgical or non-surgical) vs None (placebo or no treatment)
Improvement in nutritional intake · People of any age and either sex, in any setting, with BRONJ; bisphosphonate exposure past or current; includes people…
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
no estimate extracted0 studiesNo studies
Hyperbaric oxygen therapy plus standard care (surgery, antibiotics, oral rinse) vs Standard care alone (surgery, antibiotics, oral rinse)
Healing of osteonecrosis - improvement ('healed' or 'improved' vs 'unchanged' or 'worse') · People with BRONJ (mean age ~66 years; most treated with bisphosphonates for cancer (multiple myeloma, breast cancer)… · 6 months
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
RR 1.31 [0.78, 2.22]1 study · 40 participantsUngraded
Hyperbaric oxygen therapy plus standard care (surgery, antibiotics, oral rinse) vs Standard care alone (surgery, antibiotics, oral rinse)
Healing of osteonecrosis - healed ('healed' vs 'improved', 'unchanged' or 'worse') · People with BRONJ (mean age ~66 years; most treated with bisphosphonates for cancer (multiple myeloma, breast cancer)… · 6 months
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
RR 0.95 [0.44, 2.04]1 study · 40 participantsUngraded
Perioperative infraorbital nerve block vs Intravenous analgesia
Need for analgesic prescription for pain (supplemental analgesic requirements) · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
RR 0.27 [0.13, 0.55]1 study · 82 participantsVery low
Any experimental intervention (surgical or non-surgical) vs Active control (surgical or non-surgical)
Healing of the osteonecrosis · People of any age and either sex, in any setting, with BRONJ; bisphosphonate exposure past or current; includes people…
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
no estimate extracted0 studiesNo studies
Perioperative infraorbital nerve block vs Placebo (sham block)
Heart rate, respiratory rate, and blood pressure · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
Ahuja 1994: no significant difference in heart rate, respiratory rate, and blood pressure between groups. Takmaz 2009: no differences in respiratory rate and blood pressure, but children in the placebo group had…2 studiesUngraded
Perioperative infraorbital nerve block vs Placebo (sham block)
Duration of postoperative analgesia (in hours) · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
MD 8.26 [5.41, 11.11]1 study · 60 participantsVery low
Any experimental intervention (surgical or non-surgical) vs None (placebo or no treatment)
Adverse events · People of any age and either sex, in any setting, with BRONJ; bisphosphonate exposure past or current; includes people…
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
no estimate extracted0 studiesNo studies
Perioperative infraorbital nerve block vs Intravenous analgesia
Heart rate, respiratory rate, and blood pressure · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
The included studies did not report these outcomes.0 studiesNo studies
Hyperbaric oxygen therapy plus standard care (surgery, antibiotics, oral rinse) vs Standard care alone (surgery, antibiotics, oral rinse)
Healing of osteonecrosis - healed ('healed' vs 'improved', 'unchanged' or 'worse') · People with BRONJ (mean age ~66 years; most treated with bisphosphonates for cancer (multiple myeloma, breast cancer)… · 12 months
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
RR 1.20 [0.39, 3.65]1 study · 24 participantsUngraded
Perioperative infraorbital nerve block vs Placebo (sham block)
Pain measured by valid instruments (mean postoperative pain score) · Children up to 13 years of age, undergoing cleft lip repair surgery · 0 to 4 hours (peak)
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
SMD -3.54 [-6.13, -0.95]3 studies · 120 participantsVery low
Hyperbaric oxygen therapy plus standard care (surgery, antibiotics, oral rinse) vs Standard care alone (surgery, antibiotics, oral rinse)
Healing of osteonecrosis - healed ('healed' vs 'improved', 'unchanged' or 'worse') · People with BRONJ (mean age ~66 years; most treated with bisphosphonates for cancer (multiple myeloma, breast cancer)… · 3 months
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
RR 3.60 [0.87, 14.82]1 study · 45 participantsVery low
Hyperbaric oxygen therapy plus standard care (surgery, antibiotics, oral rinse) vs Standard care alone (surgery, antibiotics, oral rinse)
Pain · People with BRONJ (mean age ~66 years; most treated with bisphosphonates for cancer (multiple myeloma, breast cancer)… · Weekly (to 16 weeks)
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
no estimate extracted1 study · 42 participantsUngraded
Perioperative infraorbital nerve block vs Infiltration of the incision (peri-incisional infiltration)
Time to first analgesic requirement · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
MD 4.92 [3.84, 6.00]1 study · 50 participantsUngraded
Hyperbaric oxygen therapy plus standard care (surgery, antibiotics, oral rinse) vs Standard care alone (surgery, antibiotics, oral rinse)
Adverse effects · People with BRONJ (mean age ~66 years; most treated with bisphosphonates for cancer (multiple myeloma, breast cancer)…
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
no estimate extracted0 studiesNo studies
Any experimental intervention (surgical or non-surgical) vs None (placebo or no treatment)
Improvement of pre-existing accompanying symptoms other than pain · People of any age and either sex, in any setting, with BRONJ; bisphosphonate exposure past or current; includes people…
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
no estimate extracted0 studiesNo studies
Any experimental intervention (surgical or non-surgical) vs None (placebo or no treatment)
Health economic measures · People of any age and either sex, in any setting, with BRONJ; bisphosphonate exposure past or current; includes people…
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
no estimate extracted0 studiesNo studies
Perioperative infraorbital nerve block vs Placebo (sham block)
Need for analgesic prescription for pain (supplemental analgesic requirements) · Children up to 13 years of age, undergoing cleft lip repair surgery · At 4 hours
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
RR 0.05 [0.01, 0.18]3 studies · 120 participantsLow
Any experimental intervention (surgical or non-surgical) vs None (placebo or no treatment)
Quality of life · People of any age and either sex, in any setting, with BRONJ; bisphosphonate exposure past or current; includes people…
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
no estimate extracted0 studiesNo studies
Hyperbaric oxygen therapy plus standard care (surgery, antibiotics, oral rinse) vs Standard care alone (surgery, antibiotics, oral rinse)
Healing of osteonecrosis - improvement ('healed' or 'improved' vs 'unchanged' or 'worse') · People with BRONJ (mean age ~66 years; most treated with bisphosphonates for cancer (multiple myeloma, breast cancer)… · 12 months
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
RR 1.65 [0.75, 3.64]1 study · 24 participantsUngraded
Perioperative infraorbital nerve block vs Placebo (sham block)
Adverse events · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
2 out of 3 studies reported this outcome. One study reported no differences between groups, and the other study reported more vomiting in the placebo group (Takmaz 2009: vomiting 40% placebo versus 10% intervention; P…2 studiesUngraded
Any experimental intervention (surgical or non-surgical) vs None (placebo or no treatment)
Pain · People of any age and either sex, in any setting, with BRONJ; bisphosphonate exposure past or current; includes people…
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
no estimate extracted0 studiesNo studies
Perioperative infraorbital nerve block vs Infiltration of the incision (peri-incisional infiltration)
Heart rate, respiratory rate, and blood pressure · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
Gaonkar 2004: no differences between groups in postoperative heart rate and blood pressure. Prabhu 1999: significantly lower heart rates in the intervention group throughout the postoperative period, and no differences…2 studiesUngraded
Perioperative infraorbital nerve block vs Infiltration of the incision (peri-incisional infiltration)
Time to feeding after surgery · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
This outcome was not reported.0 studiesNo studies
Any experimental intervention (surgical or non-surgical) vs None (placebo or no treatment)
Mortality rate and cause of death · People of any age and either sex, in any setting, with BRONJ; bisphosphonate exposure past or current; includes people…
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
no estimate extracted0 studiesNo studies
Hyperbaric oxygen therapy plus standard care (surgery, antibiotics, oral rinse) vs Standard care alone (surgery, antibiotics, oral rinse)
Quality of life · People with BRONJ (mean age ~66 years; most treated with bisphosphonates for cancer (multiple myeloma, breast cancer)… · Baseline and 6 months
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
no estimate extracted1 study · 49 participantsUngraded
Perioperative infraorbital nerve block vs Placebo (sham block)
Duration of hospitalisation · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
None of the included studies reported this outcome.0 studiesNo studies
Perioperative infraorbital nerve block vs Intravenous analgesia
Duration of postoperative analgesia · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
This outcome was not reported.0 studiesNo studies
Any experimental intervention (surgical or non-surgical) vs None (placebo or no treatment)
Healing of the osteonecrosis · People of any age and either sex, in any setting, with BRONJ; bisphosphonate exposure past or current; includes people…
Interventions for treating bisphosphonate‐related osteonecrosis of the jaw (BRONJ) (2016) · Cochrane
no estimate extracted0 studiesNo studies
Perioperative infraorbital nerve block vs Infiltration of the incision (peri-incisional infiltration)
Adverse events · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
Of the 2 included studies, one study reported no difference between groups (Gaonkar 2004: no adverse events attributable to either technique), and the other study did not report this outcome.1 studyUngraded
Perioperative infraorbital nerve block vs Intravenous analgesia
Time to first analgesic requirement · Children up to 13 years of age, undergoing cleft lip repair surgery
Infraorbital nerve block for postoperative pain following cleft lip repair in children (2016) · Cochrane
Not pooled (lack of data). Delgado 2005: longer in the infraorbital block group (7.3 +/- 5.1 hours) versus intravenous analgesia (2.8 +/- 2.2 hours) (P < 0.01). Simion 2008: no significant difference (195.32 +/- 71.21…3 studiesUngraded
Any intervention for KCOT (e.g. enucleation), alone or combined with an adjunctive therapy (ostectomy, cryotherapy, or Carnoy's solution) vs A different intervention (e.g. enucleation versus marsupialisation), or the same surgical intervention without the adjunctive therapy
Outcome NR · Adults over the age of 18 with a validated diagnosis of solitary keratocystic odontogenic tumours (KCOT) arising in…
Interventions for the treatment of keratocystic odontogenic tumours (2015) · Cochrane
No randomised controlled trials that met the inclusion criteria were identified. In view of the fact that no studies were identified, no data were available for analysis.0 studiesNo studies
Low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW output, continuous 820 nm) vs Placebo (sham) laser therapy
Patient-reported altered sensation (spontaneous or evoked: anaesthesia/paraesthesia/dysaesthesia/hyperalgesia/allodynia) · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual… · Lip
Interventions for iatrogenic inferior alveolar and lingual nerve injury (2014) · Cochrane
MD 21.79 [5.29, 38.29]1 study · 13 participantsVery low
Low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW output, continuous 820 nm) vs Placebo (sham) laser therapy
Somatosensory evoked potentials · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual…
Interventions for iatrogenic inferior alveolar and lingual nerve injury (2014) · Cochrane
Results: 'No studies reported on ... somatosensory evoked potentials ...'. Not reported by the included trials.0 studiesNo studies
An intervention delivered at one time point vs The same intervention delivered at a different time point
Outcome NR · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual… · < 3 months; ≤ 6 months; > 6 months
Interventions for iatrogenic inferior alveolar and lingual nerve injury (2014) · Cochrane
Discussion / Methods: no trials addressed optimal timing; the planned timing subgroup analyses (< 3 months, ≤ 6 months, > 6 months) could not be undertaken.0 studiesNo studies
Low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW output, continuous 820 nm) vs Placebo (sham) laser therapy
Difficulty speaking · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual…
Interventions for iatrogenic inferior alveolar and lingual nerve injury (2014) · Cochrane
SoF row 'Difficulty speaking': This outcome was not reported in the included studies.0 studiesNo studies