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Evidence found and GRADE certainty

3,032 questions · 3,358 findings · 190 reviews · related questions CL0289

No studies found 599 · 17.8%GRADE not reported 1,759 · 52.4%Very low 612 · 18.2%Low 269 · 8%Moderate 107 · 3.2%High 12 · 0.4%

Induction chemotherapy plus locoregional treatment (radiotherapy and/or surgery) vs Locoregional treatment (radiotherapy and/or surgery) alone

Locoregional control · People receiving curative-intent treatment for oral cavity and oropharyngeal (squamous cell) cancer

Induction chemotherapy plus locoregional treatment (radiotherapy… led to lower locoregional control, induction cisplatin + 5-fluorouracil +… compared with locoregional treatment (radiotherapy and/or surgery) alone; GRADE not reported.

1 finding from 1 review

Schwarz appliance vs No active treatment (control)

Size of the lower jaw (arch length, change) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Schwarz appliance showed no clear difference in size of the lower jaw (mandibular arch length, change) at 9 months compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

ARP with alloplast plus barrier membrane vs ARP with alloplast without membrane

Changes in vertical height of alveolar ridge (mm) · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…

It is very uncertain whether ARP with alloplast plus barrier membrane changes changes in vertical height of alveolar ridge (mm) compared with ARP with alloplast without membrane (very low certainty).

1 finding from 1 review

ARP with alloplast plus barrier membrane vs ARP with alloplast without membrane

Aesthetic outcomes of future prosthodontic rehabilitation · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…

The review found no eligible studies for this question.

1 finding from 1 review

Double primary (canine and first molar) tooth extraction vs Single primary (canine) tooth extraction

Incidence of eruption of the PDC into the mouth · Young people aged 9 to 14 years diagnosed with one or both palatally displaced permanent maxillary canines (PDC)

Double primary (canine and first molar) tooth extraction led to higher incidence of eruption of the PDC into the mouth compared with single primary (canine) tooth extraction; GRADE not reported.

4 findings from 1 review
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Intensive periodontal treatment (subgingival SRP with or without other periodontal treatment) vs No treatment (no periodontal treatment)

Diastolic blood pressure (mmHg), change from baseline · Adults (any age/sex) with chronic periodontitis (>=5 teeth remaining; PPD >4 mm), with or without hypertension

Periodontal treatment (subgingival SRP with or without other… showed no clear difference in change in diastolic blood pressure (DBP, mmHg) compared with no treatment (no periodontal treatment) (low certainty).

4 findings from 1 review
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  • Effect of periodontal treatments on blood pressure 2021 · Cochrane All outcomes
    Long term (follow-up 6 months) · People diagnosed with periodontitis and other cardiovascular diseases except hypertension
    MD -2.55 [-6.9, 1.8]
    2 studies · 103 participants
    Low

Nitinol archwire vs Titinol archwire

Amount of crowding · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

It is very uncertain whether nitinol archwire changes amount of crowding (change) up to 37 weeks compared with titinol archwire (very low certainty).

1 finding from 1 review

Intensive periodontal treatment (subgingival SRP with or without other periodontal treatment) vs No treatment (no periodontal treatment)

Clinical attachment level (CAL) · Adults (any age/sex) with chronic periodontitis (>=5 teeth remaining; PPD >4 mm), with or without hypertension

Periodontal treatment (subgingival SRP with or without other… led to lower clinical attachment level (CAL) compared with no treatment (no periodontal treatment); GRADE not reported.

1 finding from 1 review

Active self-ligating brackets vs Passive self-ligating brackets

Time to alignment · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Active self-ligating brackets showed no clear difference in time to alignment (days) compared with passive self-ligating brackets; GRADE not reported.

1 finding from 1 review

Intensive periodontal treatment (subgingival SRP with or without other periodontal treatment) vs Supra-gingival scaling

Proportion of participants diagnosed with hypertension at trial completion · Adults (any age/sex) with chronic periodontitis (>=5 teeth remaining; PPD >4 mm), with or without hypertension

The review found no eligible studies for this question.

1 finding from 1 review

ARP with xenograft (bone graft) vs Extraction alone

Changes in bucco-lingual/palatal width of alveolar ridge (mm) · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…

It is very uncertain whether ARP with xenograft (bone graft) changes changes in bucco-lingual/palatal width of alveolar ridge (mm) compared with extraction alone (very low certainty).

1 finding from 1 review

ARP with alloplast vs Extraction alone

Aesthetic outcomes of future prosthodontic rehabilitation · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…

The review found no eligible studies for this question.

1 finding from 1 review

ARP with alloplast vs ARP with xenograft

Changes in probing depth (PD) at teeth adjacent to the extraction site · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…

ARP with alloplast showed no clear difference in changes in probing depth (PD) at teeth adjacent to the extraction site compared with ARP with xenograft; GRADE not reported.

1 finding from 1 review

ARP with allograft (bone graft) vs ARP with xenograft

Complications (e.g. discomfort, pain and swelling) · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…
1 finding from 1 review

Vibrational appliance with fixed appliances vs Fixed appliances

Harms (discomfort, pain intensity, analgesia use) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth
1 finding from 1 review
  • Orthodontic treatment for crowded teeth in children 2021 · Cochrane All outcomes
    first week
    No clear difference in discomfort/pain intensity or analgesia consumption between vibrational appliance and control (Miles 2012, Miles 2016, Woodhouse 2015; 100 mm VAS). Narrative; no pooled estimate.
    2 studies
    GRADE not reported

Rubber dam isolation and moisture control (alone or with saliva aspiration) vs Cotton rolls (with or without saliva aspiration)

Restoration survival · Dental patients undergoing direct or indirect restorative treatment (no age or gender restriction)

Rubber dam isolation and moisture control (alone or with saliva… may leads to higher survival rate of restorations (6 months) compared with cotton rolls (with or without saliva aspiration) (low certainty).

4 findings from 1 review
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Super ethoxybenzoic acid (Super-EBA) vs Intermediate restorative material (IRM)

Success rate at 1 year · Patients needing retrograde filling in root canal therapy (orthograde root canal filling or retreatment not possible; periapical surgery…

It is very uncertain whether super ethoxybenzoic acid (Super-EBA) changes success rate at 1 year compared with intermediate restorative material (IRM) (very low certainty).

1 finding from 1 review

Any orthodontic (non-surgical) treatment to correct posterior crossbite or expand the top teeth vs No treatment or another orthodontic treatment

Signs and symptoms of respiratory disease · Children and adults with a posterior crossbite, without a Class III skeletal relationship, cleft lip or palate (or both), or other…

The review found no eligible studies for this question.

1 finding from 1 review

Dentine-bonded resin composite vs Glass ionomer cement (GIC)

Success rate at 1 year · Patients needing retrograde filling in root canal therapy (orthograde root canal filling or retreatment not possible; periapical surgery…

It is very uncertain whether dentine-bonded resin composite changes success rate at 1 year (root as unit, per-protocol analysis) compared with glass ionomer cement (very low certainty).

2 findings from 1 review