What do systematic reviews say?

Percutaneous patellar osteosynthesis vs open surgery

The review found no eligible studies for this question.

• Interventions for treating fractures of the patella in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Percutaneous patellar osteosynthesis vs open surgery

The review found no eligible studies for this question.

• Interventions for treating fractures of the patella in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Percutaneous patellar osteosynthesis vs open surgery

The review found no eligible studies for this question.

• Interventions for treating fractures of the patella in adults 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Mineral trioxide aggregate (MTA) vs Root repair material (RRM)

The review found no eligible studies for this question.

• Materials for retrograde filling in root canal therapy 2021 · Cochrane All outcomes
  Adverse events: outcome was not assessed by the included studies
  0 studies
  No studies found

Dentine-bonded resin composite vs Glass ionomer cement (GIC)

The review found no eligible studies for this question.

• Materials for retrograde filling in root canal therapy 2021 · Cochrane All outcomes
  Adverse events: outcome was not assessed by the included studies
  0 studies
  No studies found

Mineral trioxide aggregate (MTA) vs Root repair material (RRM)

It is very uncertain whether mineral trioxide aggregate (MTA) changes success rate at 1 year compared with root repair material (RRM) (very low certainty).

• Materials for retrograde filling in root canal therapy 2021 · Cochrane All outcomes

  1 year
  RR 1.00 [0.94, 1.07]
  2 studies
  Very low

Mineral trioxide aggregate (MTA) vs Intermediate restorative material (IRM)

Mineral trioxide aggregate (MTA) showed no clear difference in success rate at 2 years compared with intermediate restorative material (IRM); GRADE not reported.

• Materials for retrograde filling in root canal therapy 2021 · Cochrane All outcomes

  2 years
  RR 1.05 [0.92, 1.20]
  1 study
  GRADE not reported

Mineral trioxide aggregate (MTA) vs Super ethoxybenzoic acid (Super-EBA)

It is very uncertain whether mineral trioxide aggregate (MTA) changes success rate at 1 year compared with super ethoxybenzoic acid (Super-EBA) (very low certainty).

• Materials for retrograde filling in root canal therapy 2021 · Cochrane All outcomes

  1 year
  RR 1.03 [0.96, 1.10]
  1 study
  Very low

Systemic antibiotic prophylaxis (any regimen; topical therapy excluded) administered before and/or after tooth extraction vs placebo

It is very uncertain whether systemic antibiotic prophylaxis (any regimen; topical therapy… changes adverse effects compared with placebo (very low certainty).

• Antibiotics to prevent complications following tooth extractions 2021 · Cochrane All outcomes

  1st to 7th day
  RR 1.46 [0.81, 2.64]
  8 studies · 1277 participants
  Very low

Systemic antibiotic prophylaxis (any regimen; topical therapy excluded) administered before and/or after tooth extraction vs placebo

It is very uncertain whether systemic antibiotic prophylaxis (any regimen; topical therapy… changes trismus (dichotomous, 7th day) compared with placebo (very low certainty).

• Antibiotics to prevent complications following tooth extractions 2021 · Cochrane All outcomes

  7th day
  RR 0.77 [0.42, 1.41]
  3 studies · 199 participants
  Very low

Super ethoxybenzoic acid (Super-EBA) vs Intermediate restorative material (IRM)

The review found no eligible studies for this question.

• Materials for retrograde filling in root canal therapy 2021 · Cochrane All outcomes
  Adverse events: outcome was not assessed by the included studies
  0 studies
  No studies found

Systemic antibiotic prophylaxis (any regimen; topical therapy excluded) administered before and/or after tooth extraction vs placebo

It is very uncertain whether systemic antibiotic prophylaxis (any regimen; topical therapy… changes fever (6th-7th day) compared with placebo (very low certainty).

• Antibiotics to prevent complications following tooth extractions 2021 · Cochrane All outcomes

  6th to 7th day
  RR 0.66 [0.24, 1.79]
  4 studies · 475 participants
  Very low

General ventilation (e.g. natural ventilation, exhaust fans, opening windows) vs No general ventilation / standard operatory

The review found no eligible studies for this question.

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Any method, procedure or policy to reduce contaminated aerosols in dental clinics vs Any other method, no treatment or combination of methods

The review found no eligible studies for this question.

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Ozonisation vs No ozonisation / standard operatory

The review found no eligible studies for this question.

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Ultraviolet (UV) light air decontamination vs No UV light / standard operatory

The review found no eligible studies for this question.

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Any method, procedure or policy to reduce contaminated aerosols in dental clinics vs Any other method, no treatment or combination of methods

The review found no eligible studies for this question.

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Fumigation or fogging vs No fumigation or fogging / standard operatory

The review found no eligible studies for this question.

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Intervention not reported

• Melatonin for preoperative and postoperative anxiety in adults 2020 · Cochrane Headline outcomes only
  no estimate extracted
  18 studies · 1264 participants
  Moderate

Intervention not reported

• Melatonin for preoperative and postoperative anxiety in adults 2020 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 44 participants
  Very low