Findings

What do systematic reviews say?

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

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

Interruptions to cancer treatment (unscheduled radiotherapy breaks of 5 or more days) · Adults with cancer receiving treatment

Keratinocyte growth factor (KGF; palifermin or repifermin),… showed no clear difference in interruptions to cancer treatment (unscheduled radiotherapy breaks… compared with placebo; GRADE not reported.

1 finding from 1 review

Interventions for preventing oral mucositis in patients with cancer receiving treatment: cytokines and growth factors 2017 · Cochrane All outcomes
RT to head and neck with cisplatin/fluorouracil
RR 1.01 [0.65, 1.59]
3 studies · 473 participants
GRADE not reported

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

Facial appearance and profile · Adults (>16 years old) undergoing orthognathic surgery

The review found no eligible studies for this question.

1 finding from 1 review

Resorbable versus titanium plates for orthognathic surgery 2017 · Cochrane All outcomes
Up to 3 years postoperatively
No data available for this outcome.
0 studies
No studies found

Bethanechol vs placebo

Xerostomia (grade >= 2, 0-3 scale) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Bethanechol led to lower xerostomia (grade >= 2, 0-3 scale) compared with placebo; GRADE not reported.

2 findings from 1 review

Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy 2017 · Cochrane All outcomes
End of RT
RR 0.43 [0.28, 0.66]
1 study · 84 participants
GRADE not reported
Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy 2017 · Cochrane All outcomes
Up to and including 3 months postRT
RR 0.81 [0.65, 1.01]
1 study · 84 participants
GRADE not reported

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

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

1 finding from 1 review

Metal‐free materials for fixed prosthodontic restorations 2017 · Cochrane All outcomes
12 and 36 months
At 12 months 40 participants were available and at 36 months 36 participants were available. No FDP failures were reported in either group at either time.
1 study · 40 participants
Very low

Resin-based fissure sealant (2nd/3rd/4th generation) vs No sealant (control/no treatment)

Dentine caries in permanent molars (24 months) · Children and adolescents (general population, aged under 20 years)

Resin-based fissure sealant (2nd/3rd/4th generation) probably leads to lower dentine caries in permanent molars (24 months) compared with no sealant (control/no treatment) (moderate certainty).

1 finding from 1 review

Pit and fissure sealants for preventing dental decay in permanent teeth 2017 · Cochrane All outcomes
24 months
OR 0.12 [0.08, 0.19]
7 studies · 1322 participants
Moderate

Metal-free single crowns (full-contour zirconia) vs Cast gold (conventional metal) single crowns

Aesthetics · Adults (18 years or older) needing a single crown in the molar or premolar region

The review found no eligible studies for this question.

1 finding from 1 review

Metal‐free materials for fixed prosthodontic restorations 2017 · Cochrane All outcomes
No data were presented with regard to aesthetics.
0 studies
No studies found

Periodontal treatment (scaling and root planing, alone or with antimicrobials) vs Alternative (less intensive) periodontal treatment, alone or with placebo

Maternal death · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination

The review found no eligible studies for this question.

1 finding from 1 review

Treating periodontal disease for preventing adverse birth outcomes in pregnant women 2017 · Cochrane All outcomes
Maternal mortality: Not reported for this comparison.
0 studies
No studies found

Bethanechol vs placebo

Salivary flow rate (stimulated) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Bethanechol showed no clear difference in salivary flow rate (stimulated, ml/min) compared with placebo; GRADE not reported.

1 finding from 1 review

Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy 2017 · Cochrane All outcomes
2 months postRT
MD 0.15 [-0.03, 0.33]
1 study · 97 participants
GRADE not reported

Pilocarpine vs no treatment/placebo

Salivary flow rate (stimulated) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

1 finding from 1 review

Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy 2017 · Cochrane All outcomes
Any time point
No evidence of a difference between treatment groups for stimulated salivary flow at any time point (Analysis 1.5)
8 studies
GRADE not reported

Zinc vs placebo

Taste acuity improvement - objective outcome (continuous) - taste recognition (cross-over trial) · 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 (continuous) - taste… compared with placebo (very low certainty).

1 finding from 1 review

Interventions for managing taste disturbances 2017 · Cochrane All outcomes
6 months · Children with chronic renal failure
MD 3.00 [0.66, 5.34]
1 study · 14 participants
Very low

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

Oral mucositis (moderate to severe) · Children with acute lymphoblastic leukaemia receiving chemotherapy alone

Keratinocyte growth factor (KGF), intravenous led to lower oral mucositis (moderate to severe) compared with chlorhexidine mouthwash; GRADE not reported.

1 finding from 1 review

Interventions for preventing oral mucositis in patients with cancer receiving treatment: cytokines and growth factors 2017 · Cochrane All outcomes
Children
RR 0.12 [0.05, 0.28]
1 study · 90 participants
GRADE not reported

Amifostine vs no treatment/placebo

Overall survival · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

It is very uncertain whether amifostine changes overall survival compared with no treatment/placebo (very low certainty).

1 finding from 1 review

Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy 2017 · Cochrane All outcomes
12 to 24 months postRT
HR 1.18 [0.85, 1.66]
2 studies · 271 participants
Very low

Bethanechol vs placebo

Salivary flow rate (unstimulated) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Bethanechol led to higher salivary flow rate (unstimulated, ml/min) compared with placebo; GRADE not reported.

1 finding from 1 review

Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy 2017 · Cochrane All outcomes
2 months postRT
MD 0.19 [0.06, 0.32]
1 study · 97 participants
GRADE not reported

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

Mean birth weight · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination

1 finding from 1 review

Treating periodontal disease for preventing adverse birth outcomes in pregnant women 2017 · Cochrane All outcomes
Eight studies (5120 participants) reported birth weight in grams; data not pooled due to skewness; mean difference ranged between -52.8 and 476.6 grams.
8 studies · 5120 participants
GRADE not reported

Antimicrobial lozenge vs placebo

Survival · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

The review found no eligible studies for this question.

1 finding from 1 review

Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy 2017 · Cochrane All outcomes
No survival data were reported.
0 studies
No studies found

Venalot Depot (coumarin plus troxerutin) vs placebo

Survival (locoregional control) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

1 finding from 1 review

Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy 2017 · Cochrane All outcomes
Unable to use the data on locoregional control (Grotz 2001)
1 study
GRADE not reported

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

Percentage of bleeding on probing (BOP) · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination

1 finding from 1 review

Treating periodontal disease for preventing adverse birth outcomes in pregnant women 2017 · Cochrane All outcomes
Reported as a secondary periodontal outcome (Analysis 1.9); results not meta-analysed due to considerable heterogeneity (I2 91% to 100%); reduction in favour of periodontal treatment.
6 studies
GRADE not reported

Keratinocyte growth factor (KGF), higher dose/regimen vs Keratinocyte growth factor (KGF), different (lower) dose/regimen

Oral mucositis (any severity) · Adults with cancer receiving treatment

1 finding from 1 review

Interventions for preventing oral mucositis in patients with cancer receiving treatment: cytokines and growth factors 2017 · Cochrane All outcomes
Some inconsistent evidence from which no conclusions can be drawn regarding different dosages of KGF (Analyses 2.1 to 2.8); no pooled estimate reported
Studies not reported
GRADE not reported

Granulocyte-colony stimulating factor (G-CSF; pegfilgrastim, single dose) vs Granulocyte-colony stimulating factor (G-CSF; filgrastim, multiple doses)

Oral mucositis (moderate to severe) · Children receiving bone marrow/stem cell transplantation after conditioning therapy for mixed cancers

Granulocyte-colony stimulating factor (G-CSF; pegfilgrastim, single… showed no clear difference in oral mucositis (moderate to severe) compared with granulocyte-colony stimulating factor (G-CSF; filgrastim, multiple…; GRADE not reported.

1 finding from 1 review

Interventions for preventing oral mucositis in patients with cancer receiving treatment: cytokines and growth factors 2017 · Cochrane All outcomes
Children
RR 0.78 [0.55, 1.11]
1 study · 61 participants
GRADE not reported

Analgesic (any: NSAID, paracetamol, local anaesthetic or opioid) vs placebo or control

Adverse events · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)

The review found no eligible studies for this question.

1 finding from 1 review

Pharmacological interventions for pain relief during orthodontic treatment 2017 · Cochrane All outcomes
No studies in this comparison reported any adverse events. SoF cell: 'Not reported'.
0 studies
No studies found