Primary study · included by 2 reviews

Alhabdan 2018

ProbableThe reviews cited this study without a PMID, DOI or NCT, so it is matched by first author and year. Two different studies by the same author in the same year could be merged here.

Trial PICO

Not extracted yet. Trial-level population, intervention, comparator, outcomes and design will appear here after the trial extraction run. Until then, the reviews below describe the study.

Results

Not extracted yet. Per-trial results (events, means, effect and weight as each review's forest plot reports them) will appear here after the trial extraction run.

Included by

Dental caries in primary and permanent teeth in children's worldwide, 1995 to 2019: a systematic review and meta-analysis.

Non-Cochrane · prevalence · 2020 · cited as Alhabdan 2018 · Table 2 (Characteristic of included studies Prevalence of permanent dental caries)

Outcome this study informs	Pooled effect	Evidence	Certainty
Dental caries in permanent teeth	Prevalence 0.589 [0.294, 0.831]	5 studies · 2794 participants	Ungraded
Dental caries in permanent teeth	Prevalence 0.441 [0.361, 0.525]	22 studies · 115141 participants	Ungraded
Dental caries in permanent teeth	Prevalence 0.549 [0.509, 0.588]	1 study · 612 participants	Ungraded
Dental caries in permanent teeth	Prevalence 0.538 [0.5, 0.575]	83 studies · 1454871 participants	Ungraded
Dental caries in permanent teeth	Prevalence 0.489 [0.376, 0.603]	7 studies · 5009 participants	Ungraded
Dental caries in permanent teeth	Prevalence 0.588 [0.534, 0.64]	50 studies · 1334133 participants	Ungraded

Optimal tooth brushing initiation age and frequency for preventing early childhood caries: a systematic review and meta-analysis.

Non-Cochrane · aetiology · 2025 · cited as Alhabdan 2018 · Table 1; Table 3 (initiation MA, P1-O1) and Table 4 (frequency MA, also informs P2-O1); Reference [17]

Outcome this study informs	Pooled effect	Evidence	Certainty
Early childhood caries (presence/prevalence/severity by dmft/dmfs) Late tooth brushing initiation (>=12 months, or >=2 years in some studies) vs Early tooth brushing initiation (<12 months, or <2 years)	OR 1.40 [0.91, 2.16]	10 studies · 23200 participants	Ungraded
Early childhood caries (presence/prevalence/severity by dmft/dmfs) Late tooth brushing initiation (>=12 months, or >=2 years in some studies) vs Early tooth brushing initiation (<12 months, or <2 years)	OR 1.75 [1.50, 2.03]	9 studies	Ungraded

2 including reviews in total.