Findings

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Evidence found and GRADE certainty

3,032 questions · 3,358 findings · 190 reviews · related questions CL0289

No studies found 599 · 17.8%GRADE not reported 1,759 · 52.4%Very low 612 · 18.2%Low 269 · 8%Moderate 107 · 3.2%High 12 · 0.4%

Metal-free cantilevered FDPs (feldspathic-veneered zirconia) vs Metal-ceramic cantilevered FDPs

Cantilevered bridge complications · Adults (18 years or older) needing replacement of one premolar or incisor with a cantilevered fixed dental prosthesis

It is very uncertain whether metal-free cantilevered FDPs (feldspathic-veneered zirconia) changes cantilevered bridge complications compared with metal-ceramic cantilevered FDPs (very low certainty).

2 findings from 1 review

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

Oral mucositis (moderate to severe) · Adults with cancer receiving treatment

Keratinocyte growth factor (KGF; palifermin or repifermin),… may leads to lower oral mucositis (moderate to severe) compared with placebo (low certainty).

3 findings from 1 review

Chinese medicine vs no treatment/placebo

Dry mouth (xerostomia) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Chinese medicine led to lower xerostomia (dichotomous, Shenqi Fanghou recipe) compared with no treatment/placebo; GRADE not reported.

1 finding from 1 review

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

Oral pain · Adults with cancer receiving treatment

Keratinocyte growth factor (KGF; palifermin or repifermin),… showed no clear difference in oral pain (mean worst pain, 0 to 10 scale) compared with placebo; GRADE not reported.

2 findings from 1 review

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

Status of occlusion (e.g. ANB, Angle's classification, Wits analysis) · 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
    Weidner 2005 provided analyses of mean changes in ANB from scanned radiographs. The ANB data were incomplete for many of the five time periods and were reported as 'grad' rather than the conventionally accepted…
    1 study · 43 participants
    GRADE not reported

Topical NSAID (ketoprofen chewing gum) vs Local anaesthetic (benzocaine chewing gum)

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)

It is very uncertain whether topical NSAID (ketoprofen chewing gum) changes pain intensity (VAS 0-100 mm) compared with local anaesthetic (benzocaine chewing gum) (very low certainty).

1 finding from 1 review

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

Need for retreatment or replacement of fixation due to failure of the fixation · Adults (>16 years old) undergoing orthognathic surgery
1 finding from 1 review
  • Resorbable versus titanium plates for orthognathic surgery 2017 · Cochrane All outcomes
    Mean 1 year
    SoF row (Resorbable plates compared to titanium plates for stabilization after orthognathic surgery). Need for retreatment or replacement of fixation due to failure of the fixation (plates failed or removed in each…
    1 study · 60 participants
    Very low

Open surgical exposure vs Closed surgical exposure

Aesthetics: canine rated as abnormal tooth inclination · People with maxillary palatally displaced (impacted) canines, unilateral or bilateral (children/adolescents; mean ages 14.2 to 17.5 years)

Open surgical exposure showed no clear difference in aesthetics: canine rated as abnormal tooth inclination compared with closed surgical exposure; GRADE not reported.

1 finding from 1 review

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

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

It is very uncertain whether periodontal treatment (scaling and root planing, alone or with… changes perinatal mortality (including fetal and neonatal deaths up to the… compared with alternative (less intensive) periodontal treatment, alone or with… (very low certainty).

1 finding from 1 review

Open surgical exposure vs Closed surgical exposure

Patient response: moderate or severe pain at 1 day postoperative · People with maxillary palatally displaced (impacted) canines, unilateral or bilateral (children/adolescents; mean ages 14.2 to 17.5 years)

Open surgical exposure showed no clear difference in patient response: moderate or severe pain at 1 day postoperative compared with closed surgical exposure; GRADE not reported.

1 finding from 1 review

Acupuncture vs sham control

Taste discrimination improvement · Patients with idiopathic dysgeusia and hypogeusia

It is very uncertain whether acupuncture changes taste discrimination improvement compared with sham control (deactivated laser sham acupuncture) (very low certainty).

2 findings from 1 review

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

Normalcy of diet (supplemental nutrition: TPN, PEG, nasogastric tube or IV hydration) · Adults with cancer receiving treatment

Keratinocyte growth factor (KGF; palifermin or repifermin),… showed no clear difference in normalcy of diet (supplemental nutrition: TPN, PEG, nasogastric tube… compared with placebo; GRADE not reported.

1 finding from 1 review

Open surgical exposure vs Closed surgical exposure

Treatment time: duration of orthodontic treatment (placement to removal of fixed appliances) · People with maxillary palatally displaced (impacted) canines, unilateral or bilateral (children/adolescents; mean ages 14.2 to 17.5 years)

Open surgical exposure showed no clear difference in treatment time: duration of orthodontic treatment (placement to… compared with closed surgical exposure; GRADE not reported.

1 finding from 1 review

Transforming growth factor-beta(2) (TGF-beta2) vs placebo

Oral mucositis (any severity) · Adults receiving chemotherapy alone for colorectal cancer

Transforming growth factor-beta(2) (TGF-beta2) showed no clear difference in oral mucositis (any severity) compared with placebo; GRADE not reported.

1 finding from 1 review

Zinc vs placebo

Taste acuity improvement - patient-reported outcome · 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 - patient-reported outcome compared with placebo (very low certainty).

1 finding from 1 review