Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

249 questions · 262 findings · 42 reviews · All outcomes

No studies found 35 · 13.4%GRADE not reported 144 · 55%Very low 60 · 22.9%Low 21 · 8%Moderate 2 · 0.8%High 0 · 0%

Rofecoxib (oral, 50 mg on first day then 25 to 50 mg per day for 4 days) vs Tinidazole (1 g per day for 3 days)

Total effective rate at 4 days · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…

Rofecoxib (oral, 50 mg on first day then 25 to 50 mg per day for 4… showed no clear difference in total effective rate at 4 days compared with tinidazole (1 g per day for 3 days); GRADE not reported.

1 finding from 1 review

Private day care vs Public day care

Dental caries prevalence · Preschool children in Sharjah day cares

Caries prevalence was 77% in private day cares versus 22% in public day cares.

2 findings from 1 review

Pentoxifylline vs placebo

Pain, number of ulcers, ulcer-free days and ulcer size · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…
1 finding from 1 review
  • Systemic interventions for recurrent aphthous stomatitis (mouth ulcers) 2012 · Cochrane All outcomes
    60 days (plus 60-day follow-up)
    A single trial at high risk of bias compared pentoxifylline 400 mg three times daily (n=14) with placebo (n=12). No statistically significant differences were reported for pain, number of ulcers and ulcer-free days at…
    1 study · 26 participants
    GRADE not reported

Subantimicrobial dose doxycycline (20 mg twice daily for 90 days) vs placebo

Mean VAS pain per day · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…

Subantimicrobial dose doxycycline (20 mg twice daily for 90 days) showed no clear difference in mean VAS pain per day compared with placebo; GRADE not reported.

1 finding from 1 review

Subantimicrobial dose doxycycline (20 mg twice daily for 90 days) vs placebo

Total number of new ulcers over 90 days · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…

Subantimicrobial dose doxycycline (20 mg twice daily for 90 days) led to lower total number of new ulcers over 90 days compared with placebo; GRADE not reported.

1 finding from 1 review

Subantimicrobial dose doxycycline (20 mg twice daily for 90 days) vs placebo

Number of ulcers at end of 90-day treatment · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…

Subantimicrobial dose doxycycline (20 mg twice daily for 90 days) showed no clear difference in number of ulcers at end of 90-day treatment compared with placebo; GRADE not reported.

1 finding from 1 review

Subantimicrobial dose doxycycline (20 mg twice daily for 90 days) vs placebo

Average number of new lesions per week · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…

Subantimicrobial dose doxycycline (20 mg twice daily for 90 days) led to lower number of new lesions per day compared with placebo; GRADE not reported.

1 finding from 1 review

Leukotriene receptor antagonist 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;…

Montelukast (leukotriene receptor antagonist; 10 mg daily for 1… led to lower time to resolution of first ulcer (days) compared with placebo; GRADE not reported.

1 finding from 1 review

Postoperative systemic antibiotics (phenoxymethylpenicillin/penicillin VK, 7-day course), partial or total chemo-mechanical debridement and analgesics vs Matched placebo, partial or total chemo-mechanical debridement and analgesics

Swelling (mean) · Adults with a symptomatic necrotic tooth or localised acute apical abscess (no signs of spreading infection or systemic involvement)

Postoperative systemic antibiotics… showed no clear difference in swelling at 48 hours compared with matched placebo, partial or total chemo-mechanical debridement and…; GRADE not reported.

4 findings from 1 review
Show 1 more finding

Postoperative systemic antibiotics (phenoxymethylpenicillin/penicillin VK, 7-day course), partial or total chemo-mechanical debridement and analgesics vs Matched placebo, partial or total chemo-mechanical debridement and analgesics

Percussion pain at 7 days · Adults with a symptomatic necrotic tooth or localised acute apical abscess (no signs of spreading infection or systemic involvement)

Postoperative systemic antibiotics… showed no clear difference in percussion pain at 7 days compared with matched placebo, partial or total chemo-mechanical debridement and…; GRADE not reported.

1 finding from 1 review

Postoperative systemic antibiotics (phenoxymethylpenicillin/penicillin VK, 7-day course), partial or total chemo-mechanical debridement and analgesics vs Matched placebo, partial or total chemo-mechanical debridement and analgesics

Pain at 7 days · Adults with a symptomatic necrotic tooth or localised acute apical abscess (no signs of spreading infection or systemic involvement)

It is very uncertain whether postoperative systemic antibiotics… changes pain at 7 days compared with matched placebo, partial or total chemo-mechanical debridement and… (very low certainty).

1 finding from 1 review

18% CP paint-on gel (4x/day) vs 18% CP paint-on gel

Tooth whitening - assessed by the dentist · Adults (>=18 years) undergoing home-based bleaching (including tetracycline- and smoking-stained teeth, any baseline shade)

It is very uncertain whether 18% CP paint-on gel (4x/day) changes tooth whitening - assessed by the dentist compared with 18% CP paint-on gel (2x/day) (very low certainty).

1 finding from 1 review

Brushed less than once per day vs Brushed once or more per day

Fluorosis (percentage prevalence in permanent teeth) · Children exposed to topical fluoride when under 6 years old; fluorosis assessed in permanent teeth at 6 to 18 years

Brushed less than once per day may leads to lower fluorosis (percentage prevalence in permanent teeth) compared with brushed once or more per day (low certainty).

1 finding from 1 review

Brushed less than twice per day vs Brushed twice or more per day

Fluorosis (percentage prevalence in permanent teeth) · Children exposed to topical fluoride when under 6 years old; fluorosis assessed in permanent teeth at 6 to 18 years

It is very uncertain whether brushed less than twice per day changes fluorosis (percentage prevalence in permanent teeth) compared with brushed twice or more per day (very low certainty).

2 findings from 1 review

Xylitol syrup (high dose, 8 g/day) vs Control (low-dose xylitol, 2.67 g/day) syrup

Adverse effects (loose stools, diarrhoea) · Infants (primary teeth; baseline about 9 to 15 months)
1 finding from 1 review

Extra-oral pulp extirpation at day 0 vs Intra-oral pulp extirpation at day 7

Radiographic resorption (proxy measure for periodontal healing) at 12 months · People with avulsed and replanted permanent (front) teeth

It is very uncertain whether extra-oral pulp extirpation at day 0 changes radiographic resorption (proxy measure for periodontal healing) at… compared with intra-oral pulp extirpation at day 7 (very low certainty).

1 finding from 1 review

Colchicine (0.5 mg three times per day) vs Clofazimine (100 mg daily for 30 days, then 100 mg every other day)

Complete remission, pain intensity, patient and physician evaluation · Participants with a previous or current history of recurrent aphthous stomatitis (RAS), diagnosed on history and clinical examination;…
1 finding from 1 review
  • One trial at high risk of bias (de Abreu 2009) compared clofazimine (n=23) with colchicine (n=23). The number with no further aphthous episodes at 6 months was significantly greater in the clofazimine group than the…
    1 study · 46 participants
    GRADE not reported