Findings

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Evidence found and GRADE certainty

4,411 questions · 5,986 findings · 226 reviews · Oral Health

No studies found 1,305 · 21.8%GRADE not reported 2,988 · 49.9%Very low 1,030 · 17.2%Low 476 · 8%Moderate 156 · 2.6%High 31 · 0.5%

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Fluoride supplementation (tablets, drops, lozenges or chewing gum) vs placebo or no treatment

Decayed or filled primary tooth surfaces at 3 years · Pregnant women (for preventing dental caries in the primary teeth of their children)

It is very uncertain whether fluoride supplementation (tablets, drops, lozenges or chewing gum) changes decayed or filled primary tooth surfaces at 3 years compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Periodontal treatment (scaling and root planing, polishing, or surgery), alone or with oral hygiene counselling, antiseptics, or antimicrobials vs no treatment

Plaque index (PI) / oral hygiene · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination
1 finding from 1 review

Amifostine 200 mg/m2 three times weekly vs Amifostine 200 mg/m2 five times weekly

Quality of life · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region
1 finding from 1 review

GM-CSF vs placebo or no treatment

Normalcy of diet (tube feeding) · Adults with cancer receiving treatment

Granulocyte-macrophage colony-stimulating factor (GM-CSF) showed no clear difference in normalcy of diet (tube feeding) compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review

Periodontal treatment (scaling and root planing, polishing, or surgery), alone or with oral hygiene counselling, antiseptics, or antimicrobials vs no treatment

Pre‐eclampsia · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination

It is very uncertain whether periodontal treatment (scaling and root planing, polishing, or… changes pre-eclampsia compared with no treatment (very low certainty).

1 finding from 1 review

Erythropoietin mouthwash vs placebo

Number of days in hospital · Adults receiving bone marrow/stem cell transplantation after conditioning therapy for haematological cancers

Erythropoietin mouthwash showed no clear difference in number of days in hospital compared with placebo; GRADE not reported.

1 finding from 1 review

Resorbable (bioresorbable) plates or screws for fixation vs Titanium plates or screws for fixation

Adverse effects (composite: plate exposure, wound infection, sinus tract, wound dehiscence, plate removal) · Adults (>16 years old) undergoing orthognathic surgery
1 finding from 1 review
  • Resorbable versus titanium plates for orthognathic surgery 2017 · Cochrane All outcomes
    Up to 24 months postoperatively
    SoF row. Adverse effects; 60 participants (1 RCT); Quality of the evidence (GRADE): VERY LOW. Exposure of the plate: both titanium and resorbable groups experienced 2 plate exposures which occurred between the third…
    1 study · 60 participants
    Very low

Metal-free tooth-supported FDPs (pressed veneering ceramic) vs Metal-free tooth-supported FDPs (layered veneering ceramic)

Bridge complications · Adults (18 years or older) needing a three-unit tooth-supported fixed dental prosthesis

It is very uncertain whether metal-free tooth-supported FDPs (pressed veneering ceramic) changes bridge complications compared with metal-free tooth-supported FDPs (layered veneering ceramic) (very low certainty).

1 finding from 1 review

Resorbable (bioresorbable) plates or screws for fixation vs Titanium plates or screws for fixation

Wound infection · Adults (>16 years old) undergoing orthognathic surgery
1 finding from 1 review
  • Resorbable versus titanium plates for orthognathic surgery 2017 · Cochrane All outcomes
    Up to 3 years postoperatively
    The trialists did not differentiate between superficial and deep wound infection. Three (10%) of the patients in each group developed infections accounting for six plates: 3/196 (1.53%) in the titanium group and 3/165…
    1 study · 60 participants
    GRADE not reported

ART using glass ionomer cement (GIC) vs Amalgam restoration

Participant experience (co-operation during procedure) · Children and adolescents with dental caries (primary teeth and permanent immature teeth)
1 finding from 1 review

Keratinocyte growth factor (KGF; palifermin or repifermin), intravenous vs placebo

Number of days of treatment with opioid analgesics · Adults with cancer receiving treatment

Keratinocyte growth factor (KGF; palifermin or repifermin),… showed no clear difference in number of days of treatment with opioid analgesics compared with placebo; GRADE not reported.

1 finding from 1 review

Zinc vs placebo

Adverse events · Patients with taste disturbances (dysgeusia/hypogeusia; idiopathic, zinc-deficient, or secondary to chronic renal failure)

It is very uncertain whether zinc supplements (zinc sulphate, zinc gluconate, zinc picolinate,… changes adverse events compared with placebo (very low certainty).

1 finding from 1 review

Zinc vs placebo

Taste acuity improvement - objective outcome (dichotomous data) · Patients with taste disturbances (dysgeusia/hypogeusia; idiopathic, zinc-deficient, or secondary to chronic renal failure)

It is very uncertain whether zinc supplements (zinc sulphate, zinc gluconate, zinc picolinate,… changes taste acuity improvement - objective outcome (dichotomous data) compared with placebo (very low certainty).

1 finding from 1 review

Biperiden plus pilocarpine vs no treatment

Dysphagia (WHO grade 3+) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Biperiden plus pilocarpine showed no clear difference in dysphagia (WHO grade 3+) compared with no treatment; GRADE not reported.

1 finding from 1 review

Metal-free implant-supported single crowns (zirconia veneered with feldspathic ceramic) vs Metal-ceramic implant-supported single crowns

Implant crown complications · Adults (18 years or older) with one missing tooth in the aesthetic zone needing an implant-supported single crown

It is very uncertain whether metal-free implant-supported single crowns (zirconia veneered with… changes implant crown complications compared with metal-ceramic implant-supported single crowns (very low certainty).

1 finding from 1 review

Open surgical exposure vs Closed surgical exposure

Aesthetics of the treated canine compared with the untreated contralateral canine · People with maxillary palatally displaced (impacted) canines, unilateral or bilateral (children/adolescents; mean ages 14.2 to 17.5 years)
1 finding from 1 review

Acupuncture vs sham control

Adverse events · Patients with idiopathic dysgeusia and hypogeusia

The review found no eligible studies for this question.

1 finding from 1 review