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 lip bumper led to lower lower molars to mandible at 6 months compared with no active treatment (control); GRADE not reported.
1 finding from 1 review
Harms (orthodontically-induced inflammatory root resorption) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth
1 finding from 1 review
Time for ligation (seconds, to ligate six brackets) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth
Self-ligating brackets led to lower time for ligation (seconds, to ligate six brackets) compared with conventional brackets; GRADE not reported.
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…
Bone-borne expansion showed no clear difference in molar expansion (inter-molar distance) compared with fixed tooth-borne expansion (Hyrax) (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 bonded Hyrax appliance followed by U-bow activator therapy showed no clear difference in molar expansion compared with no treatment; 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…
Semi-rapid maxillary expansion showed no clear difference in canine expansion compared with rapid maxillary expansion; GRADE not reported.
1 finding from 1 review
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 lacebacks with fixed appliances changes amount of crowding (change) at 6 months compared with fixed appliances only (control) (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…
Removable tooth-borne expansion (expansion plate) probably leads to higher molar expansion (inter-molar distance) compared with observation (no treatment) (moderate certainty).
1 finding from 1 review
Harms (discomfort) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth
1 finding from 1 review
Specificity · Adults (aged 16 years or over) presenting to primary or secondary care with clinically evident suspicious or innocuous oral lesions
1 finding from 1 review
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 xenograft (bone graft) changes need for additional augmentation prior to implant placement compared with extraction alone (very low certainty).
1 finding from 1 review
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 allograft changes need for additional augmentation prior to implant placement compared with ARP with xenograft (very low certainty).
1 finding from 1 review
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
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
1 trial (Patel 2013) reported pain, swelling, membrane exposure and partial loss of grafting material, while the other trial (Gholami 2012) reported that the procedure was uneventful
2 studies · 37 participants
Low
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…
1 finding from 1 review
Signs and symptoms of temporomandibular joint dysfunction · 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
no estimate extracted
0 studies
No studies found
Harms: injury · People with permanent or adult posterior teeth requiring restoration (parallel-group trials involved children aged 6 to 12 years)
The review found no eligible studies for this question.
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 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
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 alloplast changes changes in bucco-lingual/palatal width of alveolar ridge (mm) compared with ARP with xenograft (very low certainty).
1 finding from 1 review