Overjet · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)
Reverse Forsus led to higher overjet compared with untreated control (no treatment); GRADE not reported.
1 finding from 1 review
ANB · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)
Chin cup (600 g force) showed no clear difference in ANB compared with chin cup (300 g force); GRADE not reported.
1 finding from 1 review
Perceived need for surgery in adulthood · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)
Facemask may leads to higher perceived need for surgery in adulthood compared with untreated control (no treatment) (low certainty).
1 finding from 1 review
Pulp necrosis · Vital teeth
The pooled incidence with > 5–10 years of follow-up was 5.53%.
1 finding from 1 review
Periapical pathosis incidence · Vital teeth
The pooled incidence with > 5–10 years of follow-up was 3.88%.
1 finding from 1 review
Fluoride toothpaste use prevalence (among children with caries) · Children with dental caries (deciduous and/or permanent dentition) in low- and middle-income countries
About 39% of children with caries in LMICs used fluoride toothpaste (pooled prevalence 0.391, 95% CI 0.166 to 0.644; 2 studies; not GRADE-rated).
1 finding from 1 review
Plaque index (PI) / oral hygiene · Primary school children (aged 3-16 years) attending primary school in low- and middle-income countries (LMICs)
School-based interventions may reduce dental plaque scores (SMD -0.32, favouring intervention), but the certainty of evidence is very low.
1 finding from 1 review
Dental caries (association with no formal maternal education) · Children (deciduous and/or permanent dentition) in low- and middle-income countries
No formal maternal education showed a non-significant trend toward higher odds of dental caries (OR 1.34, 95% CI 0.76 to 2.36; 3 studies; not GRADE-rated).
1 finding from 1 review
Oral hygiene measured by mean gingival scores · Primary school children (aged 3-16 years) attending primary school in low- and middle-income countries (LMICs)
The effect of school-based interventions on gingival scores is uncertain and not statistically significant (SMD 0.12; very low certainty).
1 finding from 1 review
Dental caries · Primary school children (aged 3-16 years) attending primary school in low- and middle-income countries (LMICs)
Among children aged 6-8 years, DMFT scores were significantly reduced (SMD -0.11); subgroup not separately GRADE-rated.
8 findings from 1 review
Effectiveness of primary school-based interventions in improving oral health of children in low- and middle-income… 2022 All outcomesPost-intervention; follow-up varied across studies (interventions ranged from <2 years to >=2 years and longer) · Primary schools in low- and middle-income countries (Southeast Asia, Africa, the Americas, Europe, eastern Mediterranean) · Age 6-8 years
SMD -0.11 [-0.17, -0.04]
Studies not reported
GRADE not reported
Effectiveness of primary school-based interventions in improving oral health of children in low- and middle-income… 2022 All outcomesPost-intervention; follow-up varied across studies (interventions ranged from <2 years to >=2 years and longer) · Primary schools in low- and middle-income countries (Southeast Asia, Africa, the Americas, Europe, eastern Mediterranean) · <=3 intervention activities
SMD -0.58 [-1.62, 0.45]
Studies not reported
GRADE not reported
Effectiveness of primary school-based interventions in improving oral health of children in low- and middle-income… 2022 All outcomes<2 years · Primary schools in low- and middle-income countries (Southeast Asia, Africa, the Americas, Europe, eastern Mediterranean) · Intervention duration <2 years
SMD 0.01 [-0.16, 0.18]
3 studies
GRADE not reported
Show 5 more findings
Annual increment in DMFS (D3) · Primary school children (aged 3-16 years) attending primary school in low- and middle-income countries (LMICs)
Oral-health-education interventions significantly reduced net increment in DMFS (SMD -1.05); no significant subgroup difference vs other interventions (P=0.74).
5 findings from 1 review
Effectiveness of primary school-based interventions in improving oral health of children in low- and middle-income… 2022 All outcomesPost-intervention; follow-up varied across studies (interventions ranged from <2 years to >=2 years and longer) · Primary schools in low- and middle-income countries (Southeast Asia, Africa, the Americas, Europe, eastern Mediterranean) · Intervention type: oral health education
SMD -1.05 [-2.03, -0.08]
3 studies
GRADE not reported
Effectiveness of primary school-based interventions in improving oral health of children in low- and middle-income… 2022 All outcomesPost-intervention; follow-up varied across studies (interventions ranged from <2 years to >=2 years and longer) · Primary schools in low- and middle-income countries (Southeast Asia, Africa, the Americas, Europe, eastern Mediterranean) · WHO health-promoting-schools framework
SMD -0.57 [-1.56, 0.42]
2 studies
GRADE not reported
Effectiveness of primary school-based interventions in improving oral health of children in low- and middle-income… 2022 All outcomesPost-intervention; follow-up varied across studies (interventions ranged from <2 years to >=2 years and longer) · Primary schools in low- and middle-income countries (Southeast Asia, Africa, the Americas, Europe, eastern Mediterranean) · Non-WHO-framework interventions
SMD -1.88 [-3.15, -0.60]
Studies not reported
GRADE not reported
Show 2 more findings
Dental caries prevalence measured by dmft or DMFT/S score greater than one · Primary school children (aged 3-16 years) attending primary school in low- and middle-income countries (LMICs)
School-based interventions may reduce the prevalence of dental caries (RR 0.70, favouring intervention), but the certainty of evidence is very low.
3 findings from 1 review
Dental caries · Children (deciduous and/or permanent dentition) in low- and middle-income countries
Good brushing habits (>=2 daily) were associated with 35% lower odds of dental caries (OR 0.65, 95% CI 0.46 to 0.92; 7 studies; not GRADE-rated).
1 finding from 1 review
Dental caries (association with secondary/higher maternal education) · Children (deciduous and/or permanent dentition) in low- and middle-income countries
Secondary/higher maternal education showed no significant association with dental caries (OR 0.96, 95% CI 0.64 to 1.44; 7 studies; not GRADE-rated).
1 finding from 1 review
Caregiver help with tooth brushing prevalence (among children with caries) · Children with dental caries (deciduous and/or permanent dentition) in low- and middle-income countries
About 54% of children with caries in LMICs received caregiver help with tooth brushing (pooled prevalence 0.541, 95% CI 0.266 to 0.803; 3 studies; not GRADE-rated).
1 finding from 1 review
Female sex prevalence (among children with caries) · Children with dental caries (deciduous and/or permanent dentition) in low- and middle-income countries
Among children with caries in LMICs, about half were female (pooled prevalence 0.497, 95% CI 0.475 to 0.519; 6 studies; I2=0%; not GRADE-rated).
1 finding from 1 review
Sugary drinks/sweets consumption prevalence (among children with caries) · Children with dental caries (deciduous and/or permanent dentition) in low- and middle-income countries
About 70% of children with caries in LMICs consumed sugary drinks/sweets (pooled prevalence 0.697, 95% CI 0.478 to 0.877; 7 studies; very high heterogeneity; not GRADE-rated).
1 finding from 1 review
Dental caries (association with primary maternal education) · Children (deciduous and/or permanent dentition) in low- and middle-income countries
Primary maternal education was associated with 25% higher odds of dental caries (OR 1.25, 95% CI 1.02 to 1.54; 7 studies; not GRADE-rated).
1 finding from 1 review
Dental caries (association with middle SES) · Children (deciduous and/or permanent dentition) in low- and middle-income countries
Middle SES showed no significant association with dental caries (OR 0.80, 95% CI 0.59 to 1.10; 7 studies; not GRADE-rated).
1 finding from 1 review
Dental caries prevalence · Children (deciduous and/or permanent dentition) in low- and middle-income countries
About 39% of children in LMICs had dental caries (pooled prevalence 0.387, 95% CI 0.284 to 0.495; 11 studies; very high heterogeneity I2=99%; not GRADE-rated).
1 finding from 1 review