Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

238 questions · 268 findings · 39 reviews · Oral Health

No studies found 55 · 20.5%GRADE not reported 154 · 57.5%Very low 23 · 8.6%Low 23 · 8.6%Moderate 13 · 4.9%High 0 · 0%

Extraction of third molars (wisdom teeth) 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

Extraction of third molars (wisdom teeth) led to higher size of the lower jaw (arch length, change) compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

Lower lingual arch vs No active treatment (control)

Lower incisors to mandible (position, mm) at 9 months · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Lower lingual arch led to higher lower incisors to mandible at 1 year compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

Extraction of lower deciduous canines 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

Extraction of lower deciduous canines led to lower size of the lower jaw (arch length, change) at 1 year compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

Schwarz appliance vs No active treatment (control)

Lower incisors to mandible (position, mm) at 9 months · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Schwarz appliance led to higher lower incisors to mandible (position, mm) at 9 months compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

Lower lingual arch vs No active treatment (control)

Lower molars to mandible (relationship of lower back teeth to the mandible) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Lower lingual arch led to lower lower molars to mandible at 1 year compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

Silver diamine fluoride (SDF; 30% or 38%) vs Fluoride varnish

Arrest of dentine caries · Preschool children with active dentine caries in primary teeth (mean age 3.4-4.0 years)

Silver diamine fluoride was about 2.5 times more likely than sodium fluoride to arrest dentine caries surfaces at 18 months (pooled OR 2.51, 95% CI 1.25 to 5.10; 2 RCTs), although between-study heterogeneity was high (I2=90.3%); certainty of evidence was not formally graded.

2 findings from 1 review

Any surgical or non-surgical technique or material used for the treatment of post-extraction bleeding vs Placebo, no treatment, or another active antifungal intervention

Bleeding, as measured by: amount of blood loss; complete cessation of bleeding as assessed clinically by the investigator; time required for the control of bleeding · People of any age and either gender with post-extraction bleeding, regardless of type of teeth (anterior or posterior, mandibular or…

The review found no eligible studies for this question.

1 finding from 1 review

Any surgical or non-surgical technique or material used for the treatment of post-extraction bleeding vs Placebo, no treatment, or another active antifungal intervention

Discomfort associated with the procedure · People of any age and either gender with post-extraction bleeding, regardless of type of teeth (anterior or posterior, mandibular or…

The review found no eligible studies for this question.

1 finding from 1 review

Any surgical or non-surgical technique or material used for the treatment of post-extraction bleeding vs Placebo, no treatment, or another active antifungal intervention

Adverse events · People of any age and either gender with post-extraction bleeding, regardless of type of teeth (anterior or posterior, mandibular or…

The review found no eligible studies for this question.

1 finding from 1 review

Any surgical or non-surgical technique or material used for the treatment of post-extraction bleeding vs Placebo, no treatment, or another active antifungal intervention

Costs: direct cost of treatment · People of any age and either gender with post-extraction bleeding, regardless of type of teeth (anterior or posterior, mandibular or…

The review found no eligible studies for this question.

1 finding from 1 review

Nano-silver fluoride vs Not specified

Arrest of dentine caries · Children with active dentine caries

One randomised trial found nano-silver fluoride arrested dentine caries without the black staining seen with silver diamine fluoride; ungraded.

1 finding from 1 review

Any experimental intervention (surgical or non-surgical) vs active control

Healing of osteonecrosis - improvement ('healed' or 'improved' vs 'unchanged' or 'worse') · People of any age and either sex, in any setting, with BRONJ; bisphosphonate exposure past or current; includes people with cancer and…

The review found no eligible studies for this question.

1 finding from 1 review

30% silver diamine fluoride vs Not specified

Arrest of dentine caries · Children with active dentine caries in primary teeth

One study reported 30% silver diamine fluoride effectively arrested dentine caries in primary teeth; ungraded.

1 finding from 1 review

12% silver diamine fluoride (SDF), single (one-off) application vs Not specified

Arrest of dentine caries · Children with active dentine caries

One trial found a single application of 12% silver diamine fluoride did not arrest dentine caries; ungraded.

1 finding from 1 review

ITI SLA standard (regular neck) implants vs ITI SLActive implants

Implant failure · Adults with missing teeth who received osseointegrated root-formed oral implants, functionally loaded and followed for at least 1 year

ITI SLA standard (regular neck) implants showed no clear difference in implant failure compared with ITI SLActive implants; GRADE not reported.

1 finding from 1 review

Any intervention to manage relapse: fixed options (labial braces, lingual braces, fixed lingual wire) or removable options (Hawley's retainer with spring elastomeric module, Bloore removable aligner, other Hawley's retainer modifications, Invisalign, Clearstep) vs no intervention or another intervention

Treatment time · Participants who previously underwent orthodontic treatment, with subsequent crowding (relapse) of the lower front teeth (lower incisors…

The review found no eligible studies for this question.

1 finding from 1 review

Any intervention to manage relapse: fixed options (labial braces, lingual braces, fixed lingual wire) or removable options (Hawley's retainer with spring elastomeric module, Bloore removable aligner, other Hawley's retainer modifications, Invisalign, Clearstep) vs no intervention or another intervention

Cost-benefit consideration · Participants who previously underwent orthodontic treatment, with subsequent crowding (relapse) of the lower front teeth (lower incisors…

The review found no eligible studies for this question.

1 finding from 1 review

Any intervention to manage relapse: fixed options (labial braces, lingual braces, fixed lingual wire) or removable options (Hawley's retainer with spring elastomeric module, Bloore removable aligner, other Hawley's retainer modifications, Invisalign, Clearstep) vs no intervention or another intervention

Patient discomfort · Participants who previously underwent orthodontic treatment, with subsequent crowding (relapse) of the lower front teeth (lower incisors…

The review found no eligible studies for this question.

1 finding from 1 review

Any intervention to manage relapse: fixed options (labial braces, lingual braces, fixed lingual wire) or removable options (Hawley's retainer with spring elastomeric module, Bloore removable aligner, other Hawley's retainer modifications, Invisalign, Clearstep) vs no intervention or another intervention

Stability of the correction · Participants who previously underwent orthodontic treatment, with subsequent crowding (relapse) of the lower front teeth (lower incisors…

The review found no eligible studies for this question.

1 finding from 1 review