Findings

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Evidence found and GRADE certainty

36 questions · 37 findings · 9 reviews · Oral Health

No studies found 13 · 35.1%GRADE not reported 12 · 32.4%Very low 7 · 18.9%Low 2 · 5.4%Moderate 3 · 8.1%High 0 · 0%

Low‐level laser therapy vs Placebo (sham) laser therapy

Patient-reported altered sensation (spontaneous or evoked: anaesthesia/paraesthesia/dysaesthesia/hyperalgesia/allodynia) · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

It is very uncertain whether low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW… changes patient-reported altered sensation (spontaneous or evoked:… compared with placebo (sham) laser therapy (very low certainty).

2 findings from 1 review

Low‐level laser therapy vs Placebo (sham) laser therapy

Somatosensory evoked potentials · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

The review found no eligible studies for this question.

1 finding from 1 review

Low‐level laser therapy vs Placebo (sham) laser therapy

Mechanosensory perception (load in grams to elicit sensation; Semmes Weinstein monofilaments) · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

Low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW… led to higher mechanosensory perception (load in grams to elicit sensation; Semmes… compared with placebo (sham) laser therapy; GRADE not reported.

1 finding from 1 review

Low‐level laser therapy vs Placebo (sham) laser therapy

Thermosensory (thermal) perception · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

Low-level laser therapy (photon-plus GaAlAs diode laser; 70 mW… showed no clear difference in thermosensory (thermal) perception compared with placebo (sham) laser therapy; GRADE not reported.

1 finding from 1 review

Low‐level laser therapy vs Placebo (sham) laser therapy

Patient satisfaction · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

The review found no eligible studies for this question.

1 finding from 1 review

Single-visit root canal treatment vs Multiple-visit root canal treatment (two or more visits)

Postoperative pain intensity in the immediate postobturation period (up to 72 hours), continuous (VAS) · People aged 10 years or above requiring root canal treatment; permanent teeth with completely formed apex and without internal resorption

Single-visit root canal treatment showed no clear difference in postoperative pain intensity in the immediate postobturation period… compared with multiple-visit root canal treatment (two or more visits) (low certainty).

1 finding from 1 review

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

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · People undergoing tooth extraction (21 of 23 trials: healthy patients undergoing impacted third molar extraction; 1 routine intra-alveolar…

It is very uncertain whether systemic antibiotic prophylaxis (any regimen; topical therapy… changes pain (continuous, VAS 0-10 cm, 7th day) compared with placebo (very low certainty).

1 finding from 1 review

Zinc vs placebo

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

Zinc supplements (zinc sulphate, zinc gluconate, zinc picolinate,… showed no clear difference in taste acuity improvement - objective outcome (continuous) -… compared with placebo; GRADE not reported.

1 finding from 1 review
  • Interventions for managing taste disturbances 2017 · Cochrane All outcomes
    Chronic renal failure
    Results (Mahajan 1980, chronic renal failure; Analysis 1.3): mean difference by taste sensation - salt MD 285 (95% CI 238.75 to 331.25); sweet MD 190 (142.36 to 237.64); sour MD 10 (-16.43 to 36.43); bitter MD 2.40…
    1 study · 22 participants
    GRADE not reported

Zinc vs placebo

Taste acuity improvement - objective outcome (continuous) - taste detection (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

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

Zinc vs placebo

Taste acuity improvement - objective outcome (continuous 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 (continuous data) compared with placebo (very low certainty).

1 finding from 1 review

Pilocarpine vs no treatment/placebo

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

It is very uncertain whether pilocarpine changes xerostomia (continuous, combined SMD) compared with no treatment/placebo (very low certainty).

1 finding from 1 review

Preoperative ibuprofen vs placebo

Postoperative pain (continuous measure: self report using visual analogue scale) · Children and adolescents having orthodontic separator placement (without local anaesthetic)

Preoperative ibuprofen may leads to lower postoperative pain (continuous measure: self report using visual… compared with placebo (low certainty).

1 finding from 1 review

Potassium containing toothpaste (5% potassium nitrate) vs Control toothpaste (without potassium)

Tactile sensitivity (method b, continuous probe) · Healthy human adults (18 years or more) with dentine hypersensitivity from exposed root surfaces

Potassium containing toothpaste (5% potassium nitrate) led to higher tactile sensitivity (method b, continuous probe) compared with control toothpaste (without potassium); GRADE not reported.

1 finding from 1 review