Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,749 questions · 14,273 findings · 834 reviews

No studies found 3,655 · 25.6%GRADE not reported 2,115 · 14.8%Very low 3,646 · 25.5%Low 3,034 · 21.3%Moderate 1,503 · 10.5%High 320 · 2.2%

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Superselective neck dissection vs Elective selective neck dissection

Locoregional recurrence · Adults with oral cavity cancer (tongue or floor of mouth) and clinically negative neck nodes
1 finding from 1 review

Elective neck dissection (at time of primary tumour resection) vs Therapeutic (delayed) neck dissection

Disease-free survival · Adults with oral cavity cancer (tongue or floor of mouth) and clinically negative neck nodes

Elective neck dissection (at time of primary tumour resection) probably leads to lower disease-free survival (new disease, progression, and mortality) compared with therapeutic (delayed) neck dissection (moderate certainty).

1 finding from 1 review

Surgery plus radiotherapy vs Radiotherapy alone

Adverse events associated with treatment · Adults with oral cavity or oropharyngeal cancer
1 finding from 1 review

Light-emitting diode (LED) photobiomodulation vs Conventional orthodontic appliance treatment

Side effects or other adverse events · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment

The review found no eligible studies for this question.

1 finding from 1 review

Light-emitting diode (LED) photobiomodulation vs Conventional orthodontic appliance treatment

Duration of orthodontic treatment: alignment stage (mandibular arch) · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment

It is very uncertain whether light-emitting diode (LED) photobiomodulation changes duration of orthodontic treatment: alignment stage (mandibular arch) compared with conventional orthodontic appliance treatment (very low certainty).

1 finding from 1 review

Elective radical (comprehensive) neck dissection vs Elective selective neck dissection

Disease-free survival · Adults with oral cavity cancer

It is very uncertain whether elective radical (comprehensive) neck dissection changes disease-free survival (new disease, progression, and mortality) compared with elective selective neck dissection (very low certainty).

1 finding from 1 review

Chlorhexidine gel (0.2%, intrasocket) vs placebo or no treatment

Adverse events · Adults (>18 years) having permanent tooth extraction (predominantly mandibular third molars)
1 finding from 1 review
  • Local interventions for the management of alveolar osteitis (dry socket) 2022 · Cochrane All outcomes
    Follow-up: median 7 days
    No adverse events were reported. Six trials (673 participants) reported no adverse events from the use of chlorhexidine gel; one study (Rubio-Palau 2015) reported gastrointestinal discomfort (30, 18%), dizziness (10,…
    7 studies
    GRADE not reported

Neocone vs Alvogyl

Time to initial pain relief (minutes) · Adults (>18 years) with established dry socket following permanent tooth extraction

Neocone led to higher time to initial pain relief (minutes) compared with alvogyl; GRADE not reported.

1 finding from 1 review

Tranexamic acid (AMCA cones) vs Placebo (lactose cones)

Presence of dry socket · Adults (>18 years) having permanent tooth extraction (predominantly mandibular third molars)

Tranexamic acid (AMCA cones) showed no clear difference in presence of dry socket compared with placebo (lactose cones); GRADE not reported.

1 finding from 1 review

Primary closure of the extraction socket with a mucoperiosteal flap vs Application of platelet-rich fibrin (PRF) without primary closure

MRONJ (incidence proportion) · People on antiresorptive treatment undergoing tooth extraction (at risk of MRONJ)
1 finding from 1 review
  • All participants had complete mucosal coverage without any signs of MRONJ at the final control examination 90 days postoperatively (77 randomised; 1 RCT); no case of postoperative MRONJ in either group; effect not…
    1 study · 77 participants
    GRADE not reported

Apernyl (acetylsalicylic acid pellet) vs placebo

Presence of dry socket · Adults (>18 years) having permanent tooth extraction (predominantly mandibular third molars)

Apernyl (acetylsalicylic acid pellet) showed no clear difference in presence of dry socket compared with placebo; GRADE not reported.

1 finding from 1 review

Advanced platelet rich fibrin (A-PRF) vs No active treatment (control)

Pain (VAS cm) · Adults (>18 years) with established dry socket following permanent tooth extraction

Advanced platelet rich fibrin (A-PRF) led to lower pain (VAS cm) compared with control (no treatment); GRADE not reported.

1 finding from 1 review

SaliCept (acemannan hydrogel) vs no treatment

Pain (VAS) · Adults (>18 years) with established dry socket following permanent tooth extraction
1 finding from 1 review

Dental extraction protocol with plasma rich in growth factors (PRGF) inserted into the postextraction alveolus vs Standard dental extraction protocol without PRGF

Complications and side effects · People with cancer treated with intravenous bisphosphonates undergoing dental extractions (at risk of MRONJ)
1 finding from 1 review

Neocone vs Alvogyl

Mean time to resolution of pain · Adults (>18 years) with established dry socket following permanent tooth extraction

Neocone led to lower time to complete resolution of pain (days) compared with alvogyl; GRADE not reported.

1 finding from 1 review