Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

1,954 questions · 2,335 findings · 149 reviews · All outcomes

No studies found 436 · 18.7%GRADE not reported 1,370 · 58.7%Very low 254 · 10.9%Low 173 · 7.4%Moderate 80 · 3.4%High 22 · 0.9%

Intervention not reported

Dental caries prevalence in permanent teeth (cavitated lesions) · Children aged 11-13 years in Latin America and the Caribbean

In Brazil, pooled permanent-teeth caries prevalence in 11-13 year-olds was 56% (95% CI 53-60%), with a significant declining trend over time; certainty not graded.

1 finding from 1 review

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

Costs · Children and adolescents aged up to 17 years having dental treatment (orthodontic treatment, fillings, pulp treatment, or tooth…

The review found no eligible studies for this question.

1 finding from 1 review

Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Irritability · Children with obstructive sleep apnoea (aged 15 years or younger)

It is very uncertain whether oral appliance or functional orthopaedic appliance changes daytime symptom: irritability (Brouillette questionnaire) compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Laser (Er:YAG, Er,Cr:YSGG, or Nd:YAG) vs Conventional mechanical caries removal (standard drill; handpiece with a bur)

Duration of treatment · Children, adolescents and adults with caries in deciduous and permanent teeth (age 3.5 to 84 years)

Laser (Er:YAG, Er,Cr:YSGG, or Nd:YAG) led to higher duration of treatment compared with conventional mechanical caries removal (standard drill; handpiece…; GRADE not reported.

1 finding from 1 review

Motivational interview plus oral health education vs Oral health education

Adverse events: Clinically important specific adverse events · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

The review found no eligible studies for this question.

1 finding from 1 review

Laser (Er:YAG, Er,Cr:YSGG, or Nd:YAG) vs Other caries removal systems (chemo-mechanical, sono-abrasion, or air-abrasion)

Outcome not reported · Children, adolescents and adults with caries in deciduous and permanent teeth (age 3.5 to 84 years)

The review found no eligible studies for this question.

1 finding from 1 review
  • 'Types of interventions' allowed comparison of laser with other caries-removal systems (chemo-mechanical, sono-abrasion, air-abrasion); no included study used such a comparator (all nine included trials compared laser…
    Studies not reported
    No studies found

Perioperative infraorbital nerve block vs Placebo (sham/placebo device)

Duration of postoperative analgesia · Children up to 13 years of age, undergoing cleft lip repair surgery

It is very uncertain whether perioperative infraorbital nerve block changes duration of postoperative analgesia (in hours) compared with placebo (sham block) (very low certainty).

1 finding from 1 review

Monitoring (any means of observation, supervision, keeping under review, measuring or testing at intervals) vs No monitoring

Leaving the study early · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

Monitoring (any means of observation, supervision, keeping under… showed no clear difference in leaving the study early compared with no monitoring (moderate certainty).

1 finding from 1 review

Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Reduction of upper airway resistance syndrome (UARS) and body-weight/BMI development (polysomnography) · Children with obstructive sleep apnoea (aged 15 years or younger)

The review found no eligible studies for this question.

1 finding from 1 review

Educational intervention with information and practical components (theoretical oral health education plus practical skills training) for nursing staff and/or residents vs (Optimised) usual care

Denture-induced stomatitis · Nursing home residents (mean age 78.3 to 86.0 years; more than 66% women; 62.1% to 87.3% with dental prostheses)
1 finding from 1 review

Perioperative infraorbital nerve block vs Placebo (sham/placebo device)

Pain measured by valid instruments (mean postoperative pain score) · Children up to 13 years of age, undergoing cleft lip repair surgery

It is very uncertain whether perioperative infraorbital nerve block changes pain measured by valid instruments (mean postoperative pain score) compared with placebo (sham block) (very low certainty).

1 finding from 1 review

Educational intervention with information and practical components (theoretical oral health education plus practical skills training) for nursing staff and/or residents vs usual care

Oral health: Not having seen a dentist in the past year · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

The review found no eligible studies for this question.

1 finding from 1 review

Laser (Er:YAG, Er,Cr:YSGG, or Nd:YAG) vs Conventional mechanical caries removal (standard drill; handpiece with a bur)

Secondary caries · Children, adolescents and adults with caries in deciduous and permanent teeth (age 3.5 to 84 years)
1 finding from 1 review
  • Lasers for caries removal in deciduous and permanent teeth 2016 · Cochrane All outcomes
    6 months to 2 years follow-up
    Two trials reported data on prevalence of secondary caries (Hadley 2000 at 6 months; Yazici 2010 at 2 years). No occurrence of caries was reported in either study (no events; no estimable effect).
    2 studies
    GRADE not reported

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) or osteoporosis)
1 finding from 1 review

Oral appliance or functional orthopaedic appliance vs placebo or no treatment

Daytime symptom: morning headache (Brouillette questionnaire) · Children with obstructive sleep apnoea (aged 15 years or younger)

It is very uncertain whether oral appliance or functional orthopaedic appliance changes daytime symptom: morning headache (Brouillette questionnaire) compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Educational intervention with information and practical components (theoretical oral health education plus practical skills training) for nursing staff and/or residents vs usual care

Economic: Increased costs of health care · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

The review found no eligible studies for this question.

1 finding from 1 review

Educational intervention with information and practical components (theoretical oral health education plus practical skills training) for nursing staff and/or residents vs (Optimised) usual care

Gingivitis · Nursing home residents (mean age 78.3 to 86.0 years; more than 66% women; 62.1% to 87.3% with dental prostheses)
1 finding from 1 review