Gap finder
Search review questions
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.
20 questions in 5 reviews · cluster CL0324
current versionsNo studies 0 · 0%Ungraded 20 · 100%Very low 0 · 0%Low 0 · 0%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
| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Not applicable vs Not applicable Prevalence of dental caries · Children aged 12 years (plus or minus one year) in Africa · Overall, urban/rural-status analysis Prevalence of dental caries in the permanent dentition amongst 12-year-olds in Africa: a systematic review… (2022) | Prevalence 0.3657 [0.3065, 0.4250] | NR | Ungraded |
Not applicable vs Not applicable Prevalence of dental caries · Children aged 12 years (plus or minus one year) in Africa · Overall, publication-period analysis Prevalence of dental caries in the permanent dentition amongst 12-year-olds in Africa: a systematic review… (2022) | Prevalence 0.356 [0.294, 0.417] | NR | Ungraded |
Presence of dental plaque vs Absence of dental plaque Dental caries (presence) · Individuals in Ethiopia assessed for dental caries Dental caries and associated factors in Ethiopia: systematic review and meta-analysis. (2021) | OR 5.14 [0.67, 39.39] | 3 studies | Ungraded |
Habit of tooth cleaning vs No habit of tooth cleaning Dental caries (presence) · Individuals in Ethiopia assessed for dental caries Dental caries and associated factors in Ethiopia: systematic review and meta-analysis. (2021) | OR 0.71 [0.17, 2.96] | 5 studies | Ungraded |
Sweet food consumption (frequent) vs No/less frequent sweet food consumption Dental caries (presence) · Individuals in Ethiopia assessed for dental caries Dental caries and associated factors in Ethiopia: systematic review and meta-analysis. (2021) | OR 2.4 [1.91, 3.01] | 4 studies | Ungraded |
Problem-driven / less regular dental visiting vs More frequent / regular dental visits Dental caries · Healthy children and adolescents in the United Arab Emirates Oral Health of Children and Adolescents in the United Arab Emirates: A Systematic Review of the Past Decade. (2021) | Both Kowash et al. and Hashim et al. found a higher frequency of dental visits protective against caries. Hashim et al. reported higher odds of severe early childhood caries among children who visited a dentist because… | NR | Ungraded |
Female sex vs Male sex Dental caries (presence) · Individuals in East Africa assessed for dental caries Prevalence of Dental Caries and Associated Factors in East Africa, 2000-2020: Systematic Review and… (2021) | OR 1.333 [1.129, 1.575] | 12 studies · 5391 participants | Ungraded |
Urban residency vs Rural residency Dental caries (presence) · Individuals in East Africa assessed for dental caries Prevalence of Dental Caries and Associated Factors in East Africa, 2000-2020: Systematic Review and… (2021) | OR 0.962 [0.595, 1.554] | 6 studies · 2489 participants | Ungraded |
Intervention NR Dental caries in primary teeth · Children (primary dentition) worldwide · Australia Dental caries in primary and permanent teeth in children's worldwide, 1995 to 2019: a systematic review and… (2020) | Prevalence 0.285 [0.203, 0.385] | 3 studies · 6472 participants | Ungraded |
Intervention NR Dental caries in permanent teeth · Children (permanent dentition) worldwide · Africa Dental caries in primary and permanent teeth in children's worldwide, 1995 to 2019: a systematic review and… (2020) | Prevalence 0.589 [0.294, 0.831] | 5 studies · 2794 participants | Ungraded |
Intervention NR Dental caries in permanent teeth · Children (permanent dentition) worldwide · Europe Dental caries in primary and permanent teeth in children's worldwide, 1995 to 2019: a systematic review and… (2020) | Prevalence 0.441 [0.361, 0.525] | 22 studies · 115141 participants | Ungraded |
Intervention NR Dental caries in permanent teeth · Children (permanent dentition) worldwide · Australia Dental caries in primary and permanent teeth in children's worldwide, 1995 to 2019: a systematic review and… (2020) | Prevalence 0.549 [0.509, 0.588] | 1 study · 612 participants | Ungraded |
Intervention NR Dental caries in primary teeth · Children (primary dentition) worldwide · Africa Dental caries in primary and permanent teeth in children's worldwide, 1995 to 2019: a systematic review and… (2020) | Prevalence 0.531 [0.443, 0.617] | 5 studies · 3004 participants | Ungraded |
Intervention NR Dental caries in primary teeth · Children (primary dentition) worldwide · Asia Dental caries in primary and permanent teeth in children's worldwide, 1995 to 2019: a systematic review and… (2020) | Prevalence 0.526 [0.467, 0.585] | 50 studies · 54680 participants | Ungraded |
Intervention NR Dental caries in primary teeth · Children (primary dentition) worldwide · Europe Dental caries in primary and permanent teeth in children's worldwide, 1995 to 2019: a systematic review and… (2020) | Prevalence 0.214 [0.153, 0.291] | 10 studies · 9977 participants | Ungraded |
Intervention NR Dental caries in permanent teeth · Children (permanent dentition) worldwide Dental caries in primary and permanent teeth in children's worldwide, 1995 to 2019: a systematic review and… (2020) | Prevalence 0.538 [0.5, 0.575] | 83 studies · 1454871 participants | Ungraded |
Intervention NR Dental caries in primary teeth · Children (primary dentition) worldwide · America Dental caries in primary and permanent teeth in children's worldwide, 1995 to 2019: a systematic review and… (2020) | Prevalence 0.458 [0.342, 0.58] | 14 studies · 6825 participants | Ungraded |
Intervention NR Dental caries in primary teeth · Children (primary dentition) worldwide Dental caries in primary and permanent teeth in children's worldwide, 1995 to 2019: a systematic review and… (2020) | Prevalence 0.462 [0.416, 0.508] | 81 studies · 80405 participants | Ungraded |
Intervention NR Dental caries in permanent teeth · Children (permanent dentition) worldwide · America Dental caries in primary and permanent teeth in children's worldwide, 1995 to 2019: a systematic review and… (2020) | Prevalence 0.489 [0.376, 0.603] | 7 studies · 5009 participants | Ungraded |
Intervention NR Dental caries in permanent teeth · Children (permanent dentition) worldwide · Asia Dental caries in primary and permanent teeth in children's worldwide, 1995 to 2019: a systematic review and… (2020) | Prevalence 0.588 [0.534, 0.64] | 50 studies · 1334133 participants | Ungraded |