Efficacy of caries and gingivitis prevention strategies among children and adolescents with intellectual disabilities: a systematic review and meta-analysis.
Fluoride varnish prevents cavities in kids with intellectual disability; other trendy fixes lack proof.
01Research in Context
What this study did
Reyes et al. (2019) looked at every trial they could find on keeping teeth healthy in kids and teens with intellectual disability. They pulled together studies that tested fluoride varnish, chlorhexidine rinse, and powered toothbrushes.
The team ran a meta-analysis. This means they combined numbers from many small studies to get one clearer answer.
What they found
Fluoride treatments clearly cut cavities when compared with placebo. The evidence for chlorhexidine and powered brushes was too shaky to call.
In short: fluoride works, the rest need more data.
How this fits with other research
Delgado-Lobete et al. (2020) also used a meta-analysis on kids with ID, but they studied exercise for mood. Both papers show non-drug helpers can work, yet each targets a different goal: teeth vs. feelings.
Matson et al. (2011) found strong evidence that risperidone reduces problem behavior in children with ID. Reyes et al. (2019) found equally strong evidence that fluoride prevents cavities in the same age group. Together they remind us to treat both health and behavior.
Older drug reviews like Dolezal et al. (2010) on clozapine say "evidence inconclusive." Reyes et al. (2019) now say "fluoride clearly helps." This is not a clash; it shows dental prevention has firmer footing than some drug uses in ID care.
Why it matters
If you serve kids with ID, you can now tell families that fluoride varnish is backed by solid science. Push for dental visits that offer it. Keep tracking tooth-brushing skills in your sessions, but know that brushes alone may not be enough.
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02At a glance
03Original abstract
BACKGROUND: Dental caries and periodontal diseases are the most common oral diseases among human beings. Individuals with intellectual disabilities (IDs) have poor oral health and limited access to dental care. The aim of this study was to investigate the efficacy of strategies in caries and gingivitis prevention among children and adolescents with ID. METHODS: Four electronic databases (PubMed, Cochrane Library, Web of Science and Scopus) were searched from their commencement date to 17 April 2017. Randomised or non-randomised controlled trials evaluating the efficacy of interventions in caries and gingivitis prevention were included if the participants were children and adolescents with ID. Gingival index and caries experiences were reported in the format of mean difference and standard error. Meta-analysis was conducted if data could be pooled from two or more studies using similar outcome measurements and intervention. RESULTS: A total of 1455 articles published in English were identified. Fourteen studies formed the basis of qualitative analysis; six studies were feasible to perform quantitative analysis. Meta-analysis favoured fluoride to placebo in caries prevention [Z = 2.02, P < 0.05, 95% CI: -0.71 (-1.40, -0.02)], while the effectiveness of chlorhexidine remained elusive. CONCLUSIONS: Both mechanical and chemical approaches had been applied to caries and gingivitis prevention among children and adolescents with ID. Insufficient evidence supported the efficacy of chlorhexidine nor powered toothbrush, while fluoride was suggested to be an effective caries preventive strategy in fluoride-deficient areas. More well-designed randomised controlled trials using integration strategies are encouraged in further studies.
Journal of intellectual disability research : JIDR, 2019 · doi:10.1111/jir.12576