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Tropical Dental Journal - 1st Pan African international dental journal


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Published in English in Tropical Dental Journal Volume 34 - June 2011 pages 31-45

Caries prevalence and caries risk in a sample of Lebanese preschool childrenCaries prevalence and caries risk in a sample of Lebanese preschool children est évalué 1 étoiles par les abonnés Tropical Dental Journal Online

Article Open access

Authors : CHEDID NR., BOURGEOIS D., KALOUSTIAN H., BABA NZ., PILIPILI C. - Lebanon


Résumé

Objectifs : Cette étude décrit la prévalence et le risque de carie dans un groupe d’enfants libanais d’âge préscolaire.
Matériel et méthodes : 99 enfants sains, âgés de quatre ans ou moins, ont été recrutés à la Faculté de Médecine Dentaire, Université Saint-Joseph, Beyrouth, Liban. Après consentement parental, trois tests (questionnaire pour l’hygiène bucco-dentaire et alimentaire de l’enfant, le niveau d’éducation et les attitudes parentales vis-à-vis de la santé, examen bucco-dentaire pour les scores de surfaces cariées-obturées et de plaque dentaire, test salivaire de capacité tampon et présence de Streptococcus mutans (Sm) et Lactobacillus (Lb)) ont servi à évaluer le risque carieux, le classant en : bas (C0), modéré (C1), élevé (C2) ou très élevé (C3).
Résultats : 25.3% des sujets étaient sans carie, 24.2% présentaient 4 lésions carieuses ou moins, 28.3%, 5 à 9 lésions et 22.2% plus de 10 lésions. 11.1% des scores de plaque étaient bas, 18.2% modérés, 46.4% élevés, et 24.3% très élevés. La capacité tampon salivaire était élevée chez 29.3% des sujets, moyenne chez 57.6% et basse pour 13.1%. Les taux élevés de Sm (66.7%) étaient corrélés avec la plaque et les caries proximales. Les taux élevés de Lb (52.5%) étaient corrélés avec la plaque et les caries des surfaces lisses, et significativement corrélées avec les caries occlusales. L’hygiène bucco-dentaire régulière résultait en moins de plaque, mais non significativement moins de caries. La fluoration systémique était associée à moins de plaque et de caries. Les enfants de parents associant niveau académique élevé, contrôles dentaires professionnels et hygiène bucco-dentaire réguliers avaient moins de plaque et de caries.
La distribution du risque carieux était : C0 : 16.2%, C1 : 29.3%, C2 : 15.1% et C3 : 39.4%.
Conclusion : La majorité des sujets présentait au moins une carie (74.7%), et 70.7% montraient des taux de plaque élevés ou très élevés. Plus de la moitié de l’échantillon avait un risque carieux élevé ou très élevé. D’autres investigations de la population libanaise d’âge préscolaire devraient approfondir ces résultats.

Abstract
Caries prevalence and caries risk in a sample of Lebanese preschool children

Objectives: This study describes early childhood caries prevalence and caries risk in a group of Leba-nese preschoolers.
Method and materials: 99 healthy children, aged four years or less, were recruited at the Dental medicine faculty, Saint-Joseph University, Beirut, Lebanon. After parental consent, questionnaires investigated children’s dietary and oral hygiene habits and parents’ education and health behaviors. Oral examinations, with bite-wing radiographs when necessary, determined decayed-filled surfaces and plaque scores. Salivary testing assessed buffer capacity and streptococcus mutans (Sm) and lactobacillus (Lb) presence. The three tests (questionnaire, oral examination, salivary testing) established a caries risk assessment tool, determining subjects’ caries risk scores, classified as low (C0), moderate (C1), high (C2) or very high (C3).
Results: 25.3% of subjects were caries-free, 24.2% had 4 carious lesions or less, 28.3%, 5 to 9 lesions and 22.2% over 10 lesions. 11.1% of plaque scores were low to mild, 18.2% moderate, 46.4% high, and 24.3% very high. Salivary buffer capacity was: 29.3% high, 57.6% medium and 13.1% low. High levels of Sm, (66.7%) correlated with plaque presence and proximal caries. High levels of Lb (52.5%) correlated with plaque presence and smooth-surface caries, and correlated significantly with occlusal caries. Regular tooth brushing yielded lower plaque, but not significantly lower caries levels. Systemic fluorides were associated with lower plaque and caries scores. Children of educated parents with regular dental visits and oral hygiene had lower plaque and caries scores.
Caries risk distribution was: C0: 16.2%, C1: 29.3%, C2: 15.1% and C3: 39.4%.
Conclusion: Most subjects had at least one carious lesion (74.7%), and 70.7% showed high to very high plaque scores. Over half the sample presented high or very high caries risk. These findings deserve further investigation of the Lebanese preschoolers’ population.

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