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  • Title: Tooth wear in children with Down syndrome.
    Author: Bell EJ, Kaidonis J, Townsend GC.
    Journal: Aust Dent J; 2002 Mar; 47(1):30-5. PubMed ID: 12035955.
    Abstract:
    BACKGROUND: Several studies have described the impact that dental caries and periodontitis may have on the dentitions of individuals with Down syndrome, but there are few reports about the effects of tooth wear. This investigation aimed to compare the aetiology, prevalence and severity of tooth wear in 49 cytogenetically confirmed Down syndrome children with 49 non-Down syndrome controls. METHODS: This study involved three aspects: an oral examination, including obtaining dental impressions; a dietary analysis spanning three days; and a questionnaire seeking information about habits, medical problems and medications. Tooth wear severity was scored on a 4-grade scale (none-to-little; moderate; severe; very severe), while aetiology was classified as being due to attrition mainly, erosion mainly, or a combination of both. Double determinations established scoring method reliability and chi-square tests assessed associations between samples. RESULTS: Tooth wear was significantly more frequent (p<0.01) in the Down syndrome than the non-Down syndrome sample (67.4 per cent cf 34.7 per cent), with more of the Down syndrome children showing severe to very severe wear (59.2 per cent cf 8.2 per cent). Significantly more Down syndrome children (p<0.05) displayed a multifactorial aetiology of tooth wear, i.e., both attrition and erosion (46.7 per cent cf 28.6 per cent), although no particular dietary link was established. Gastric reflux and vomiting were reported in over 20 per cent of the Down syndrome sample. CONCLUSIONS: Given the potential consequences of high levels of tooth wear, associated with tooth grinding and an acidic oral environment in Down syndrome children, educational programmes aimed at increasing awareness of carers and health professionals are needed urgently.
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