Crossbite correction · Children and adults with a posterior crossbite, without a Class III skeletal relationship, cleft lip or palate (or both), or other…
Bone-borne expansion showed no clear difference in crossbite correction compared with fixed tooth-borne expansion (Hyrax) (low certainty).
1 finding from 1 review
Secondary caries · People with permanent or adult posterior teeth requiring restoration (parallel-group trials involved children aged 6 to 12 years)
Direct composite resin restoration showed no clear difference in secondary caries compared with amalgam restoration; GRADE not reported.
3 findings from 1 review
Intervention not reported
Dental caries prevalence · General population in Ethiopia (all ages, age range 6-100 years)
Caries prevalence was lowest in Addis Ababa at 34.20% (95% CI 8.42 to 59.97); certainty not graded.
1 finding from 1 review
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 lip bumper led to higher lower incisors to mandible at 6 months compared with no active treatment (control); GRADE not reported.
1 finding from 1 review
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
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 nickel-titanium 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
Size of the jaws (maxillary and mandibular arch length) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth
Cervical pull headgear led to higher size of the jaws (maxillary and mandibular arch length) compared with minor interceptive procedures (control); GRADE not reported.
1 finding from 1 review
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 lip bumper led to higher size of the lower jaw (mandibular arch length) at 6 months compared with no active treatment (control); GRADE not reported.
1 finding from 1 review
Intervention not reported
Dental caries prevalence · General population in Ethiopia (all ages, age range 6-100 years)
Caries prevalence in the Amhara region was 40.44% (95% CI 24.67 to 56.21); certainty not graded.
1 finding from 1 review
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
Outcome not reported
0 studies
No studies found
Gingivitis · School children aged 3-12 years in Sharjah clinic
Male children had lower odds of gingivitis than female children.
1 finding from 1 review
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 xenograft (bone graft) changes changes in vertical height of alveolar ridge (mm) compared with extraction alone (very low certainty).
1 finding from 1 review
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 demineralised bone matrix, single particle size changes changes in vertical height of alveolar ridge (mm) compared with ARP with demineralised bone matrix, multiple particle size (very low certainty).
1 finding from 1 review
Molar expansion · Children and adults with a posterior crossbite, without a Class III skeletal relationship, cleft lip or palate (or both), or other…
Fixed tooth-borne Hyrax expander showed no clear difference in molar expansion compared with bonded expander plate (acrylic); GRADE not reported.
1 finding from 1 review
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
Outcome not reported
0 studies
No studies found
Molar expansion · Children and adults with a posterior crossbite, without a Class III skeletal relationship, cleft lip or palate (or both), or other…
Fixed bonded acrylic splint expander showed no clear difference in molar expansion (maxillary intermolar width) compared with no treatment; GRADE not reported.
1 finding from 1 review
MD 6.265
1 study
GRADE not reported
Dental caries · School children aged 11-17 years in Sharjah
Arab ethnicity was associated with higher DMFT.
1 finding from 1 review
Molar-incisor hypomineralization prevalence · School children aged 8-12 years in Dubai public schools
MIH prevalence was 32.6% in females versus 18.1% in males.
1 finding from 1 review
Initiation of white spot lesions (WSL), visual-tactile assessment · Patients of any age (11-40 years) receiving comprehensive/fixed orthodontic treatment with fixed appliances
There is no clear difference in WSL initiation between glass ionomer cement and resin adhesive for bracket bonding (RR 0.72, not significant); certainty of evidence is very low.
1 finding from 1 review
Harms (pain) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth
1 finding from 1 review
No difference in overall pain, but more pain with nickel-titanium at 12 hours and day 1 (morning, afternoon, bedtime) vs multistranded stainless steel (Sandhu 2013). Narrative; no pooled estimate.
1 study
GRADE not reported