Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

610 questions · 675 findings · 57 reviews · Oral Health

No studies found 105 · 15.6%GRADE not reported 429 · 63.6%Very low 102 · 15.1%Low 31 · 4.6%Moderate 8 · 1.2%High 0 · 0%

Selective carious tissue removal (selective excavation, SE) vs Non-selective or complete carious tissue removal

Pulp exposure during caries removal · Children with dentine caries in primary and permanent teeth

Partial caries removal was reported to reduce pulp-exposure risk by 77% versus complete caries removal (RR 0.23; ungraded).

1 finding from 1 review

Selective carious tissue removal (selective excavation, SE) vs Non-selective or complete carious tissue removal

Pulp exposure during caries removal · Children (3-11 years) with symptomless, vital dentine caries in primary molars

Partial caries removal reduced the reported risk of pulp exposure versus complete caries removal in primary teeth (RR 0.24; ungraded).

1 finding from 1 review

Selective carious tissue removal (selective excavation, SE) vs Non-selective or complete carious tissue removal

Pulpal disease (signs/symptoms of pulp necrosis) · Children with dentine caries in primary and permanent teeth

The reported estimate did not show a clear difference in pulpal disease after partial versus complete caries removal (ungraded).

1 finding from 1 review

One-stage augmentation (implants placed simultaneously) vs Two-stage augmentation (delayed implant placement)

Implant failure · Patients with insufficient bone below the maxillary sinus requiring dental implants

One-stage augmentation (implants placed simultaneously) showed no clear difference in implant failure compared with two-stage augmentation (delayed implant placement); GRADE not reported.

1 finding from 1 review

One-stage augmentation (implants placed simultaneously) vs Two-stage augmentation (delayed implant placement)

Prosthesis failure · Patients with insufficient bone below the maxillary sinus requiring dental implants

One-stage augmentation (implants placed simultaneously) showed no clear difference in prosthesis failure compared with two-stage augmentation (delayed implant placement); GRADE not reported.

1 finding from 1 review

One-stage augmentation (implants placed simultaneously) vs Two-stage augmentation (delayed implant placement)

Complications · Patients with insufficient bone below the maxillary sinus requiring dental implants

One-stage augmentation (implants placed simultaneously) showed no clear difference in complications compared with two-stage augmentation (delayed implant placement); GRADE not reported.

1 finding from 1 review

Autogenous bone graft augmentation at the immediate implant site vs No augmentation

Prosthesis failure · Patients receiving immediate single implants in fresh extraction sockets (maxillary anterior/premolar sites)

Autogenous bone graft augmentation at the immediate implant site led to lower prosthesis failure compared with no augmentation; GRADE not reported.

1 finding from 1 review

Autogenous bone graft augmentation at the immediate implant site vs No augmentation

Implant failure · Patients receiving immediate single implants in fresh extraction sockets (maxillary anterior/premolar sites)

Autogenous bone graft augmentation at the immediate implant site led to lower implant failure compared with no augmentation; GRADE not reported.

1 finding from 1 review

Autogenous bone graft augmentation at the immediate implant site vs No augmentation

Major complications at the implant/donor site · Patients receiving immediate single implants in fresh extraction sockets (maxillary anterior/premolar sites)

Autogenous bone graft augmentation at the immediate implant site led to lower major complications at the implant/donor site compared with no augmentation; GRADE not reported.

1 finding from 1 review

Prednisone (oral, commencing 25 mg with phased dose reduction over 2 months) vs placebo

Time to resolution of first ulcer (days) · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…

Prednisone (oral, commencing 25 mg with phased dose reduction over 2… led to lower time to resolution of first ulcer (days) compared with placebo; GRADE not reported.

1 finding from 1 review

Prednisone (oral, commencing 25 mg with phased dose reduction over 2 months) vs Montelukast (leukotriene receptor antagonist)

Time to resolution of first ulcer (days) · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…

Prednisone (oral, commencing 25 mg with phased dose reduction over 2… led to lower time to resolution of first ulcer (days) compared with montelukast (leukotriene receptor antagonist); GRADE not reported.

1 finding from 1 review

Prednisone (oral, commencing 25 mg with phased dose reduction over 2 months) vs placebo

Total number of new lesions over 2-month treatment period · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…

Prednisone (oral, commencing 25 mg with phased dose reduction over 2… led to lower total number of new lesions over 2-month treatment period compared with placebo; GRADE not reported.

1 finding from 1 review

Prednisone (oral, commencing 25 mg with phased dose reduction over 2 months) vs placebo

Days to resolution of pain / epithelialization; number of aphthae per month · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…
1 finding from 1 review
  • Femiano 2003 (high risk of bias) reports days to resolution of pain and days to epithelialization of aphthae at 1 month, and number of aphthae per month after the first and second months; data presented as…
    1 study · 20 participants
    GRADE not reported

Prednisone (oral, commencing 25 mg with phased dose reduction over 2 months) vs placebo

Adverse effects · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…
1 finding from 1 review

Prednisone (oral, commencing 25 mg with phased dose reduction over 2 months) vs Montelukast (leukotriene receptor antagonist)

Total number of new lesions over 2-month treatment period · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…

Prednisone (oral, commencing 25 mg with phased dose reduction over 2… showed no clear difference in total number of new lesions over 2-month treatment period compared with montelukast (leukotriene receptor antagonist); GRADE not reported.

1 finding from 1 review

Prednisone (oral, commencing 25 mg with phased dose reduction over 2 months) vs Montelukast (leukotriene receptor antagonist)

Adverse effects · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…
1 finding from 1 review

Depot corticosteroids (systemic; 40 mg methylprednisolone IM every 3 weeks for 27 weeks) vs placebo injection

Mean number of oral ulcers · People with Behcet's disease with a history of recurrent oral aphthous-type (RAS-type) ulcers diagnosed clinically; primary care

Depot corticosteroids (systemic; 40 mg methylprednisolone IM every 3… showed no clear difference in mean number of oral ulcers compared with placebo (saline IM injection); GRADE not reported.

1 finding from 1 review

Herbal extracts (tea components; Chinese herbal mixture; freeze-dried black raspberry gel) vs placebo or no treatment

Clinical resolution (oral lesion not completely resolved) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
  • SoF 4, Clinical resolution (not completely resolved) at 3 to 6 months: '3 studies (freeze-dried black raspberry gel, green tea extract capsules, mixed tea) did not find evidence of benefit.' No GRADE. Effects text:…
    4 studies
    GRADE not reported

Herbal extracts (tea components; Chinese herbal mixture; freeze-dried black raspberry gel) vs placebo or no treatment

Malignant transformation (oral cancer development) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
  • SoF 4 (Herbal extracts vs placebo), Cancer development: SoF cell 'Not measured'. Effects text: cancer development was among the outcomes in Tsao 2009 (green tea extract) but it was not possible to analyse the data…
    1 study
    GRADE not reported

Herbal extracts (tea components; Chinese herbal mixture; freeze-dried black raspberry gel) vs placebo or no treatment

Improvement of histological features (not improved) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
  • SoF 4, Histological changes (not improved) at 3 months: '2 studies (green tea extract capsules and freeze-dried raspberry gel) did not find evidence of benefit.' No GRADE. Effects text: Mallery raspberry RR 0.97…
    2 studies
    GRADE not reported