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Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

19 questions in 5 reviews · intervention: Diet/sugar · outcome domain: Caries increment (DMFS/DMFT)

current versions
No studies 3 · 15.8%Ungraded 10 · 52.6%Very low 1 · 5.3%Low 5 · 26.3%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Intervention categories, outcome domains and clusters are a proposed key pending human validation. Clear all filters

QuestionEffectEvidenceStatus / GRADE
Dietary advice on how to achieve a healthy diet for infants (tailored advice focused on a diet low in saturated fat and cholesterol intake) vs Standard care
dmfs index score · For interventions, pregnant women, mothers or other caregivers of infants in the first year of life; for outcomes,…
Interventions with pregnant women, new mothers and other primary caregivers for preventing early childhood… (2024) · Cochrane
dmfs was listed in the SoF table but not assessed (not reported for this comparison).0 studiesNo studies
Advice about a healthy diet (including breastfeeding promotion and sugar avoidance) and feeding practices (e.g. relating to bottle-feeding and sleep) for infants and young children vs Standard care
dmfs index score (decayed, missing, filled primary surfaces; range 0-80) · For interventions, pregnant women, mothers or other caregivers of infants in the first year of life; for outcomes,… · Children assessed at 1-3 yrs
Interventions with pregnant women, new mothers and other primary caregivers for preventing early childhood… (2024) · Cochrane
MD -0.29 [-0.58, 0]2 studies · 757 participantsLow
Package of oral health education/promotion including oral hygiene advice for pregnant women, mothers, infants and young children, plus dietary and feeding practice advice for infants and young children vs Standard care
dmfs index score · For interventions, pregnant women, mothers or other caregivers of infants in the first year of life; for outcomes,… · Children assessed at 3 yrs
Interventions with pregnant women, new mothers and other primary caregivers for preventing early childhood… (2024) · Cochrane
MD -0.87 [-2.18, 0.43]2 studies · 657 participantsLow
High-frequency sugar consumption (three or more times daily) vs Low sugar intake (fewer than three times daily)
Dental caries experience in primary dentition (early childhood caries) · Nigerian children with primary dentition (approximately 6 months to 5 years) · Primary dentition
A systematic review and meta-analysis of the association between sugar intake and dental caries in Nigeria. (2024)
OR 1.13 [0.23, 5.44]2 studiesUngraded
Breastfeeding promotion and support (e.g. individually tailored home-based peer counselling on the importance of breastfeeding, with advice and support for healthy breastfeeding) vs Standard care
dmfs index score · For interventions, pregnant and lactating women; for outcomes, children up to 6 years of age
Interventions with pregnant women, new mothers and other primary caregivers for preventing early childhood… (2024) · Cochrane
dmfs was listed in the SoF table but not assessed (not reported for this comparison).0 studiesNo studies
Dietary advice on how to achieve a healthy diet for infants (tailored advice focused on a diet low in saturated fat and cholesterol intake) vs Standard care
dmft index score · For interventions, pregnant women, mothers or other caregivers of infants in the first year of life; for outcomes,…
Interventions with pregnant women, new mothers and other primary caregivers for preventing early childhood… (2024) · Cochrane
dmft was listed in the SoF table but not assessed (not reported for this comparison).0 studiesNo studies
Breastfeeding promotion and support (e.g. individually tailored home-based peer counselling on the importance of breastfeeding, with advice and support for healthy breastfeeding) vs Standard care
dmft index score · For interventions, pregnant and lactating women; for outcomes, children up to 6 years of age · Children assessed at 5-6 yrs
Interventions with pregnant women, new mothers and other primary caregivers for preventing early childhood… (2024) · Cochrane
MD -0.12 [-0.59, 0.36]2 studies · 652 participantsLow
Advice about a healthy diet (including breastfeeding promotion and sugar avoidance) and feeding practices (e.g. relating to bottle-feeding and sleep) for infants and young children vs Standard care
dmft index score (decayed, missing, filled primary teeth; range 0-20) · For interventions, pregnant women, mothers or other caregivers of infants in the first year of life; for outcomes,… · Children assessed at 4 yrs
Interventions with pregnant women, new mothers and other primary caregivers for preventing early childhood… (2024) · Cochrane
MD -0.90 [-1.85, 0.05]1 study · 340 participantsVery low
High-frequency sugar consumption (three or more times daily) vs Low sugar intake (fewer than three times daily)
Dental caries experience in permanent dentition · Nigerian individuals with permanent dentition (approximately 12 years and older) · Permanent dentition
A systematic review and meta-analysis of the association between sugar intake and dental caries in Nigeria. (2024)
OR 1.15 [0.88, 1.52]4 studiesUngraded
Package of oral health education/promotion including oral hygiene advice for pregnant women, mothers, infants and young children, plus dietary and feeding practice advice for infants and young children vs Standard care
dmft index score · For interventions, pregnant women, mothers or other caregivers of infants in the first year of life; for outcomes,… · Children assessed at 6 yrs
Interventions with pregnant women, new mothers and other primary caregivers for preventing early childhood… (2024) · Cochrane
MD -0.30 [-0.96, 0.36]1 study · 187 participantsLow
High-frequency sugar consumption (three or more times daily) vs Low sugar intake (fewer than three times daily)
Dental caries experience (prevalence) · Nigerian individuals, including children and adults, with primary or permanent dentition · Overall (all dentitions pooled)
A systematic review and meta-analysis of the association between sugar intake and dental caries in Nigeria. (2024)
OR 1.18 [0.87, 1.59]7 studiesUngraded
Vegetarian diet (any diet excluding all meat, poultry and fish) vs Nonvegetarian diet
Number of natural teeth (missing/present teeth, edentulousness, MT component of DMFT) · General population (children and adults) assessed for dental hard-tissue health
Vegetarian diet and its possible influence on dental health: A systematic literature review. (2020)
Seven studies reported on the number of teeth with conflicting findings; meta-analysis was not possible due to inconsistent outcome definitions. One study found vegetarians had significantly more teeth; two found no…7 studiesUngraded
Vegetarian diet (any diet excluding all meat, poultry and fish) vs Nonvegetarian diet
Dental caries (mean DMFT score) · General population (children and adults) assessed for dental hard-tissue health · Adults only
Vegetarian diet and its possible influence on dental health: A systematic literature review. (2020)
MD -0.09 [-0.32, 0.13]3 studiesUngraded
Vegetarian diet (any diet excluding all meat, poultry and fish) vs Nonvegetarian diet
Dental caries measures other than pooled DMFT (DMFS, decayed/filled surfaces and teeth, root caries, nonvisible lesions, white spots) · General population (children and adults) assessed for dental hard-tissue health
Vegetarian diet and its possible influence on dental health: A systematic literature review. (2020)
Eleven studies reported dental caries using 11 definitions; four (DMFT) were meta-analysed (see O2). Narrative findings were inconsistent: DMFS results were mixed; decayed surfaces and decayed teeth and percentages of…NRUngraded
Vegetarian diet (any diet excluding all meat, poultry and fish) vs Nonvegetarian diet
Dental caries (mean DMFT score) · General population (children and adults) assessed for dental hard-tissue health
Vegetarian diet and its possible influence on dental health: A systematic literature review. (2020)
MD -0.15 [-0.29, -0.02]4 studiesUngraded
Primary school-based behavioural intervention (both oral hygiene and dietary components) vs No intervention or delayed intervention (non-intervention control; one trial's control received dental treatment plus an annual supervised toothbrushing session)
Caries increment on tooth surfaces (dmfs/DMFS) (prevented fraction) · Children aged 4 to 12 years attending primary school · 15 months
Primary school‐based behavioural interventions for preventing caries (2013) · Cochrane
PF 0.65 [0.12, 1.18]1 study · 60 participantsLow
Primary school-based behavioural intervention (both oral hygiene and dietary components) vs No intervention or delayed intervention (non-intervention control; one trial's control received dental treatment plus an annual supervised toothbrushing session)
Caries increment measured by the difference in decayed, missing and filled teeth (dmft/DMFT) · Children aged 4 to 12 years attending primary school · 2 years
Primary school‐based behavioural interventions for preventing caries (2013) · Cochrane
PF 0.491 studyUngraded
Individually designed, patient-centred preventive programme: dietary counselling (snacking timing, regular meals, fermentable carbohydrates) plus toothbrushing counselling, delivered by trained dental hygienists (a multi-intervention) vs Basic prevention offered as standard in public dental clinics
Dental caries increment: DMFS increment after 4 years · Children aged 11 to 12 years with at least one active initial caries lesion, screened in a town in Finland · 4 years
One‐to‐one dietary interventions undertaken in a dental setting to change dietary behaviour (2012) · Cochrane
Mean (95% CI) DMFS increment after 4 years: intervention 2.56 (2.07 to 3.05) versus control 4.60 (3.99 to 5.21); significant difference favouring the intervention (P<0.0001; non-overlapping CIs). No between-group point…1 study · 497 participantsUngraded
Individually designed, patient-centred preventive programme: dietary counselling (snacking timing, regular meals, fermentable carbohydrates) plus toothbrushing counselling, delivered by trained dental hygienists (a multi-intervention) vs Basic prevention offered as standard in public dental clinics
Dental caries increment: DMFS increment after 2 years · Children aged 11 to 12 years with at least one active initial caries lesion, screened in a town in Finland · 2 years
One‐to‐one dietary interventions undertaken in a dental setting to change dietary behaviour (2012) · Cochrane
Mean (95% CI) DMFS increment after 2 years: intervention 1.86 (1.50 to 2.21) versus control 2.44 (2.12 to 2.77); significant difference favouring the intervention (P<0.05, comparing intervention and control). No…1 study · 497 participantsUngraded