Concentração de flúor e potencial erosivo de sucos de frutas naturais concentrados

Autores

  • Isabela Albuquerque Passos Farias Federal University of Paraíba
  • Dayane Franco Barros Mangueira Leite Federal University of Paraíba
  • Fábia Cunha Medeiros e Silva Federal University of Paraíba
  • Fábio Correia Sampaio Federal University of Paraíba
  • Ricardo Cavalcanti Duarte Federal University of Paraíba

DOI:

https://doi.org/10.15448/1980-6523.2014.4.13301

Palavras-chave:

Esmalte dental, dieta, fruta, flúor, concentração de íons hidrogênio, erosão dentária.

Resumo

Objetivo: Estimar o potencial erosivo de sucos de frutas consumidos por crianças brasileiras.
Métodos: O estudo foi conduzido em duas fases: diferentes tipos de frutas foram selecionados baseados em questionário de dieta aplicado em grupo randomizado de 40 mães de pacientes atendidos no serviço público de Pediatria; as 13 frutas mais citadas (acerola, laranja, maracujá, manga, caju, uva, gioaba, graviola, abacaxi, maça, limão, tangerina e mamão) foram adquiridas em supermercados de João Pessoa, Brasil. Os sucos concentrados foram preparados usando processador. O material foi centrifugado para mensuração do pH e concentração de flúor (duplicata) usando eletrodo de pH e de íon seletivo de flúor, respectivamente. Comparação de médias ± desvio-padrão foi feita por ANOVA e teste de Scheffé.
Resultados: Acerola foi a fruta mais citada (n=24). O pH dos sucos de frutas variou de 2,21 (limão) a 5,52 (mamão) (p<0,01). Apenas o suco de mamão apresentou pH acima de 5,5. A concentração de flúor variou de 0,04 (manga) a 0,42 mg/L (limão) (p>0,01).
Conclusões: A concentração de flúor foi baixa para todos os sucos avaliados. Exceto para mamão, a maioria dos sucos de frutas concentrados apresentou valor de pH crítico, indicando algum potencial erosivo.

Biografia do Autor

Isabela Albuquerque Passos Farias, Federal University of Paraíba

Departamento de Odontologia Restauradora, Centro de Ciências da Saúde

Dayane Franco Barros Mangueira Leite, Federal University of Paraíba

Department of Restorative Dentistry, Federal University of Paraíba

Fábia Cunha Medeiros e Silva, Federal University of Paraíba

Technical School of Health, Health Sciences Center, Federal University of Paraíba

Fábio Correia Sampaio, Federal University of Paraíba

Department of Clinic and Community Dentistry, Health Sciences Center, Federal University of Paraíba

Ricardo Cavalcanti Duarte, Federal University of Paraíba

Adjunt Professor, Department of Clinic and Community Dentistry, Health Sciences Center, Federal University of Paraíba

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Publicado

2015-08-04

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Artigo Original