Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,916 questions · 3,207 findings · 167 reviews · related questions CL0289

No studies found 596 · 18.6%GRADE not reported 1,666 · 51.9%Very low 603 · 18.8%Low 252 · 7.9%Moderate 78 · 2.4%High 12 · 0.4%

Extraction of the primary (baby) canine (single primary tooth extraction) vs No extraction (non-intervention control)

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)

It is very uncertain whether extraction of the primary (baby) canine (single primary tooth… changes incidence of eruption of the PDC into the mouth compared with no extraction (non-intervention control) (very low certainty).

1 finding from 1 review

Self-ligating brackets vs Conventional brackets

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

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

1 finding from 1 review

Cervical pull headgear vs Minor interceptive procedures (control)

Position of the incisors (upper incisor inclination) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Cervical pull headgear led to higher upper incisors to maxilla at 2 years compared with minor interceptive procedures (control); GRADE not reported.

1 finding from 1 review

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

Probing pocket depth · Adults (any age/sex) with chronic periodontitis (>=5 teeth remaining; PPD >4 mm), with or without hypertension

Intensive periodontal treatment (subgingival SRP with or without… led to lower pocket probing depth (PPD) compared with supra-gingival scaling; GRADE not reported.

3 findings from 1 review

Extraction of third molars (wisdom teeth) vs No active treatment (control)

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 extraction of third molars (wisdom teeth) changes amount of crowding (Little's Irregularity Index, change) at 5 years compared with no active treatment (control) (very low certainty).

1 finding from 1 review

ARP with allograft plus synthetic cell-binding peptide P-15 vs ARP with allograft without P-15

Implant failure rate · 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

Lower lingual arch vs No active treatment (control)

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

Lower lingual arch led to higher size of the lower jaw (mandibular arch length) at 1 year compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

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

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 allograft plus synthetic cell-binding peptide P-15 vs ARP with allograft without P-15

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 allograft plus synthetic cell-binding peptide P-15 changes changes in bucco-lingual/palatal width of alveolar ridge (mm) compared with ARP with allograft without P-15 (very low certainty).

1 finding from 1 review

Extraction of lower deciduous canines vs No active treatment (control)

Lower incisor inclination (lingual tipping and retrusion) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Extraction of lower deciduous canines showed no clear difference in lower incisors to mandible (inclination, degrees) at 1 year compared with no active treatment (control); GRADE not reported.

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

Mineral trioxide aggregate (MTA) vs Super ethoxybenzoic acid (Super-EBA)

Treatment success rate · Patients needing retrograde filling in root canal therapy (orthograde root canal filling or retreatment not possible; periapical surgery…

Mineral trioxide aggregate (MTA) showed no clear difference in success rate at 4 years compared with super ethoxybenzoic acid (Super-EBA); GRADE not reported.

1 finding from 1 review

Selective carious tissue removal (selective excavation, SE) vs Stepwise carious tissue removal (SW)

Failure of therapy · Children and/or adults with permanent or primary teeth, vital (sensitive) pulps, and cavitated or dentine carious lesions conventionally…

Selective carious tissue removal (selective excavation, SE) probably leads to higher failure of therapy compared with stepwise carious tissue removal (SW) (moderate certainty).

2 findings from 1 review

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

Endothelial function (endothelial microparticles) · Adults (any age/sex) with chronic periodontitis (>=5 teeth remaining; PPD >4 mm), with or without hypertension

Intensive periodontal treatment (subgingival SRP with or without… led to lower endothelial function (endothelial microparticles) compared with supra-gingival scaling; GRADE not reported.

2 findings from 1 review

ARP with alloplast vs ARP with xenograft

Need for additional augmentation prior to implant placement · 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 changes need for additional augmentation prior to implant placement compared with ARP with xenograft (very low certainty).

1 finding from 1 review

Extraction of the primary (baby) canine (single primary tooth extraction) vs No extraction (non-intervention control)

Patient-reported outcomes (pain, discomfort and analgesic use) · Young people aged 9 to 14 years diagnosed with one or both palatally displaced permanent maxillary canines (PDC)
1 finding from 1 review