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Oral Health & Preventive Dentistry

Edited by Prof. Dr. Jean-François Roulet, Prof. Dr. Dr. Niklaus P. Lang, Prof. Dr. Palle Holmstrup

Official journal of the Academy of Minimally Invasive Dentistry, the World Congress of Microdentistry, and the European Society of Preventive Dentistry

ISSN (print) 1602-1622 • ISSN (online) 1757-9996


Fall 2007
Volume 5 , Issue 3

Pages: 209-214
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Active White Enamel Lesion: a Case-control Study

Ferreira, Maria Βngela Fernandes / de Souza, Dyego Leandro Bezerra / de Almeida, Gilmara Celli Maia / Aguiar, Heriberto de Souza

Purpose: To assess the risk factors involved for active white enamel lesion in public schoolchildren, aged 7 to 12 years, in Natal, Brazil, using a case-control study. Materials and Methods: A total of 273 cases of active white enamel lesion and 325 controls (lesion-free) were matched by age, gender and school. The independent variables were: age; gender; visible plaque index (VPI); gingival bleeding index (GBI); decayed, missing and filled surfaces (DMFS); decayed, extracted or filled surfaces (dmfs); DMFS-dmfs; and the number of carious surfaces. Results: There was no statistical significance for age (p = 0.57), gender (p = 0.428) and dmfs (p = 0.06). Univariate analysis revealed an increased risk of developing active white enamel lesions in individuals with high VPI (OR = 15.5, CI 95% 10.35–23.2), GBI (OR = 2.86, CI 95% 2.05–3.99), DMFS (OR = 18.91, CI 95% 12.51–28.59), DMFS-dmfs (OR 10.22, CI 95% 7.01–14.91) and number of carious surfaces (OR = 5.47, CI 95% 3.85–7.78). Logistic regression analysis identified that GBI (OR = 2.14, CI 95% 1.41–3.25) and DMFS (OR = 17.3, CI 95% 11.39–26.27) were independent risk factors for active white lesions. Conclusions: The results reaffirm the importance of mechanically controlling biofilm to prevent caries development in its initial stage (white lesion).

Keywords: case-control study, dental caries, enamel demineralisation

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