Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

148 questions · 167 findings · 18 reviews · Oral and maxillofacial surgery

No studies found 26 · 15.6%GRADE not reported 113 · 67.7%Very low 9 · 5.4%Low 12 · 7.2%Moderate 4 · 2.4%High 3 · 1.8%

Delicate surgery and wound closure by primary intention vs Non-traumatic tooth avulsion and wound closure by secondary intention

MRONJ (incidence proportion) · People treated with oral bisphosphonates undergoing dental extractions (at risk of MRONJ)
1 finding from 1 review

CBT vs alternative treatment

Adverse events · People aged 12 years and over with painful TMD lasting 3 months or longer
1 finding from 1 review
  • SoF: 3 studies reported minor adverse events in the control group; 1 study reported minor adverse events in psychological therapy group; 1 study reported that there were no adverse events. Results: NCT00066937 minor…
    5 studies
    Very low

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

Presence of dry socket · People undergoing tooth extraction (21 of 23 trials: healthy patients undergoing impacted third molar extraction; 1 routine intra-alveolar…

Systemic antibiotic prophylaxis (any regimen; topical therapy… may leads to lower dry socket compared with placebo (low certainty).

1 finding from 1 review

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

Infectious complications · People undergoing tooth extraction (21 of 23 trials: healthy patients undergoing impacted third molar extraction; 1 routine intra-alveolar…

Systemic antibiotic prophylaxis (any regimen; topical therapy… may leads to lower postsurgical infectious complications compared with placebo (low certainty).

1 finding from 1 review

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

Swelling (7th day) · 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 swelling (7th day) compared with placebo (very 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

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

Pain (dichotomous, present/absent on 6th-7th day) · 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 presence of pain (dichotomous, yes/no on 6th-7th day) compared with placebo (very low certainty).

1 finding from 1 review

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

Adverse effects · 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 adverse effects compared with placebo (very low certainty).

1 finding from 1 review

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

Trismus (dichotomous, 7th day) · 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 trismus (dichotomous, 7th day) compared with placebo (very low certainty).

1 finding from 1 review

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

Fever · 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 fever (6th-7th day) compared with placebo (very low certainty).

1 finding from 1 review

Two miniplates (transbuccal approach) vs One miniplate plus two screws (intraoral approach at external oblique ridge)

Post-operative infection · Adults with fractures of the mandibular angle

Two miniplates (transbuccal approach) showed no clear difference in post-operative infection compared with one miniplate plus two screws (intraoral approach at external…; GRADE not reported.

1 finding from 1 review

Two miniplates (transbuccal approach) vs One miniplate plus two screws (intraoral approach at external oblique ridge)

Requirement for additional (surgical) interventions (plate removal) · Adults with fractures of the mandibular angle

Two miniplates (transbuccal approach) showed no clear difference in requirement for additional (surgical) interventions (plate removal) compared with one miniplate plus two screws (intraoral approach at external…; GRADE not reported.

1 finding from 1 review

Two miniplates (transbuccal approach) vs One miniplate plus two screws (intraoral approach at external oblique ridge)

Post-operative adverse events and complications (lip numbness; overall) · Adults with fractures of the mandibular angle
1 finding from 1 review
  • Interventions for the management of mandibular fractures 2013 · Cochrane All outcomes
    Angle of mandible only
    Siddiqui 2007: 22/36 (61%) single-miniplate vs 14/26 (54%) two-miniplate had one or more complications; subjective lip numbness 15/36 (41.7%) vs 10/26 (38.5%) (P=0.82), objective 16/36 (44.4%) vs 8/26 (31.7%) (P=0.29).…
    2 studies
    GRADE not reported

Two miniplates (transbuccal approach) vs One miniplate plus two screws (intraoral approach at external oblique ridge)

Restoration of function (malocclusion) · Adults with fractures of the mandibular angle

Two miniplates (transbuccal approach) showed no clear difference in restoration of function (malocclusion) compared with one miniplate plus two screws (intraoral approach at external…; GRADE not reported.

1 finding from 1 review

Cleft lip and/or palate (CL/P) vs Healthy controls without cleft

Gingival index (GI) · Individuals assessed for periodontal health (mainly children and adolescents, age >2 years)

Persons with orofacial cleft have a higher gingival index than healthy controls (MD 0.15, 95% CI 0.11 to 0.19; low certainty).

1 finding from 1 review

Cleft lip and/or palate (CL/P) vs Healthy controls without cleft

Clinical attachment level (CAL) · Individuals assessed for periodontal health (mainly children and adolescents, age >2 years)

Clinical attachment level loss is greater in persons with orofacial cleft than in healthy controls (p<0.00001), but no pooled effect size was reported (ungraded).

1 finding from 1 review