Findings

What do systematic reviews say?

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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%

Fixed tooth-borne expansion (quad-helix) vs Removable tooth-borne expansion (expansion plate)

Crossbite correction · Children and adults with a posterior crossbite, without a Class III skeletal relationship, cleft lip or palate (or both), or other…

Fixed tooth-borne expansion (quad-helix) probably leads to higher crossbite correction compared with removable tooth-borne expansion (expansion plate) (moderate certainty).

1 finding from 1 review

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

Overall treatment time wearing orthodontic appliances · Young people aged 9 to 14 years diagnosed with one or both palatally displaced permanent maxillary canines (PDC)

The review found no eligible studies for this question.

1 finding from 1 review

ARP with demineralised bone matrix, single particle size vs ARP with demineralised bone matrix, multiple particle size

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…

The review found no eligible studies for this question.

1 finding from 1 review

Multistranded stainless steel archwire vs Stainless steel archwire

Amount of crowding (change in mandibular crowding) at 8 weeks · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

It is very uncertain whether multistranded stainless steel archwire changes amount of crowding (change in mandibular crowding) at 8 weeks compared with stainless steel archwire (very low certainty).

1 finding from 1 review

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

Number of participants referred for surgical exposure of the PDC · 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 number of participants referred for surgical exposure of the PDC compared with no extraction (non-intervention control) (very low certainty).

1 finding from 1 review

Cervical pull headgear vs Minor interceptive procedures (control)

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

Cervical pull headgear showed no clear difference in lower incisors to mandible at 2 years compared with minor interceptive procedures (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

Outcome not reported · Immunosuppressed / immunocompromised patients (e.g. HIV infection, AIDS, diabetes, transplants) undergoing tooth extraction

The review found no eligible studies for this question.

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

Expansion plate with conventional expansion screw vs Expansion plate with spring-loaded expansion screw

Molar and canine expansion · Children and adults with a posterior crossbite, without a Class III skeletal relationship, cleft lip or palate (or both), or other…
1 finding from 1 review

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

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

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

Outcome not reported · Patients undergoing tooth extraction for severe dental caries or periodontal disease in general dental practice (non-third-molar / decayed…

The review found no eligible studies for this question.

1 finding from 1 review
  • No studies in general dental practice for removal of decayed teeth. PUB3 added one routine intra-alveolar extraction trial and one complex oral surgery trial (2 of 23 non-third-molar), but the single intra-alveolar…
    0 studies
    No studies found

Azithromycin + SRP vs SRP

Probing pocket depth · Adults with periodontitis (chronic and aggressive)

Azithromycin + SRP led to lower probing pocket depth compared with SRP; GRADE not reported.

3 findings from 1 review

Counter-stimulation and distraction (combined) vs Conventional treatment

Acceptance of LA · Children and adolescents having dental treatment under local anaesthetic without general anaesthesia

The review found no eligible studies for this question.

1 finding from 1 review

Video modelling acclimatisation vs Acclimatisation in clinic (tell-show-do)

Anxiety · Children and adolescents having dental treatment under local anaesthetic without general anaesthesia

Video modelling acclimatisation showed no clear difference in pre- and post-operative anxiety measures (Venham's scale) compared with acclimatisation in clinic (tell-show-do); GRADE not reported.

1 finding from 1 review

Doxycycline + SRP vs Metronidazole + SRP

Clinical attachment level (CAL) · Adults with aggressive periodontitis

Doxycycline + SRP showed no clear difference in clinical attachment level (CAL) compared with metronidazole + SRP; GRADE not reported.

3 findings from 1 review

Clinical examination with 24-month recall vs Clinical examination with 6-month recall

Patient satisfaction with actual care received (1-7 scale) · Dentate adults (aged 18 years and older) receiving dental check-ups in UK general dental practices (regular attenders)

Clinical examination with 24-month recall showed no clear difference in patient satisfaction with actual care received (1-7 scale) compared with clinical examination with 6-month recall; GRADE not reported.

1 finding from 1 review

Metronidazole + SRP vs SRP

Probing pocket depth · Adults with periodontitis (chronic and aggressive)

It is very uncertain whether metronidazole + SRP changes probing pocket depth compared with SRP (very low certainty).

3 findings from 1 review