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Braz. dent. j ; 22(3): 193-197, 2011. ilus, tab
Article in English | LILACS | ID: lil-595642

ABSTRACT

The aim of this study was to assess in vivo the therapeutic effect of three fluoride varnishes available in the Brazilian market on the performance of white spot lesions (WSL). The sample included 36 children aged 7 to 13 years old, with a total of 67 active WSL in permanent anterior teeth. The children were randomly divided into 3 groups, according to fluoride varnish used: FL- Fluorniz (n=24), DUO - Duofluorid XII (n=22) and DF - Durafluor (n=21). Maximum WSL dimensions (mesiodistal and incisogingival) were measured in millimeters by a previously calibrated single examiner using a periodontal probe. WSL were also assessed regarding lesion activity. Initial and final S-OHI (Simplified Oral Hygiene Index) scores were recorded. Pearson's chi-square test revealed no statistically significant differences (p>0.05) in the performance of the varnishes. At the end of the 5th week, FL had 6 active and 18 inactive WSL; DUO had 7 active and 15 inactive WSL; and DL had 6 active and 15 inactive WSL. Taking into account all lesions, there was a 45.7 percent reduction in WSL dimensions. Paired Student's t-test revealed a statistically significant difference (p<0.05) between the initial size (1.88) and final size (1.02). After four applications, all varnishes obtained similar clinical results.


O propósito do presente estudo foi avaliar in vivo o efeito terapêutico de 3 vernizes fluoretados disponíveis no mercado brasileiro em lesões de mancha branca (MB). A amostra foi composta de 36 crianças entre 7 e 13 anos, portadoras de 67 MB ativas em elementos dentários permanentes anteriores. As crianças foram divididas aleatoriamente em 3 grupos FL - Fluorniz (n=24), DUO - Duofluorid XII (n=22) e DF - Durafluor (n=21). A dimensão máxima da MB (mésio-distal e cérvico-incisal) foi mensurada em milímetros por um único examinador previamente calibrado através de uma sonda periodontal. Em adição, foi verificada a atividade da MB. O IHO-S (Índice de Higiene Oral Simplificado) inicial e final foi registrado. O teste do qui-quadrado de Pearson mostrou não existir diferença estatisticamente significante (p>0,05) no comportamento dos vernizes estudados. No final da 5ª semana o FL apresentava 6 MB ativas e 18 inativas, DUO 7 MB ativas e 15 inativas e DF 6 MB ativas e 15 inativas. Levando em consideração o grupo total, houve uma redução de 45,7 por cento da dimensão das manchas brancas. O teste T pareado revelou uma diferença estatisticamente significante (p<0,05) entre o tamanho inicial (1,88) e final (1,02). Após 4 aplicações, todos os vernizes apresentaram resultados clínicos semelhantes.


Subject(s)
Adolescent , Child , Female , Humans , Male , Cariostatic Agents/therapeutic use , Dental Caries/prevention & control , Fluorides, Topical/therapeutic use , Tooth Remineralization/methods , Biofilms , Brazil , Coloring Agents , Dental Caries Activity Tests , Dental Plaque Index , Dental Caries/classification , Dentifrices/therapeutic use , Follow-Up Studies , Oral Hygiene Index , Rosaniline Dyes , Sodium Fluoride/therapeutic use , Toothbrushing
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