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Title

Acute necrotising gingivitis in young children from villages with and without noma in Niger and its association with sociodemographic factors, nutritional status and oral hygiene practices: results of a population-based survey

Authors
Mossi, Mahamadou Abdoulaye
Published in BMJ (Global health). 2017, vol. 2, no. 3, p. e000253
Abstract BACKGROUND: Previous studies have suggested that acute necrotising gingivitis precedes noma disease and that noma clusters in some villages in certain regions of low- and middle-income countries. We sought to assess the prevalence of gingivitis with bleeding in young children from villages with or without a history of noma and to analyse epidemiological differences related to sociodemographic characteristics, nutritional status and oral hygiene practices. METHODS: We conducted a cross-sectional study in 440 children aged between 2 and 6 years from four villages in the Zinder region of southeast Niger in Africa. In two villages, cases of noma have repeatedly been detected; in the other two, noma has never been identified. We randomly selected 110 participants from each village. RESULTS: The prevalence of acute necrotising gingivitis was significantly higher in the noma villages compared with the non-noma villages (6.8% vs 0.9%; p=0.001). We found differences between the four villages regarding socioeconomic factors, stunting, undernourishment and oral hygiene practices. The type of oral hygiene procedures influenced the amount of dental plaque and gingival inflammation. Children using sand, coal or other abrasive products instead of a toothbrush had a significantly increased likelihood to be diagnosed with acute necrotising gingivitis (p=0.041). CONCLUSIONS: Our data suggest that efforts to prevent noma should focus on populations with a high prevalence of acute necrotising gingivitis and include nutritional support and attempts to introduce safe and efficient oral hygiene practices to improve gingival health.
Keywords NigerAcute necrotizing gingivitisCross-sectional studyEpidemiologyNomaRisk factors
Identifiers
PMID: 29082004
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Structures
Research groups Groupe Mombelli Andréa (médecine dentaire) (242)
Groupe Pittet Cuenod Brigitte (chirurgie plastique et reconstructive) (96)
Citation
(ISO format)
BARATTI, Denise et al. Acute necrotising gingivitis in young children from villages with and without noma in Niger and its association with sociodemographic factors, nutritional status and oral hygiene practices: results of a population-based survey. In: BMJ (Global health), 2017, vol. 2, n° 3, p. e000253. https://archive-ouverte.unige.ch/unige:100636

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Deposited on : 2017-12-20

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