title: Diet influenced tooth erosion prevalence in children and adolescents: Results of a meta-analysis and meta-regression.
abstract: OBJECTIVE
  The aim of the present study was to assess the influence of diet in tooth erosion presence in children and adolescents by meta-analysis and meta-regression.
  
  
  METHODS
  Two reviewers independently performed the selection process and the quality of studies was assessed.
  
  
  METHODS
  Studies published until May 2014 were identified in electronic databases: Pubmed, EBSHost, Scopus, Science direct, Web of Science and Scielo, using keywords.
  
  
  METHODS
  Criteria used included: observational studies, tooth erosion and diet, subject age range 8-19 years old, permanent dentition and index. Meta-analysis was performed and in case of heterogeneity a random-effects model was used. Thirteen studies that fulfilled the inclusion criteria were selected. Higher consumption of carbonated drinks (p=0.001) or acid snacks/sweets (p=0.01 and for acid fruit juices (p=0.03)) increased the odds for tooth erosion, while higher intake of milk (p=0.028) and yogurt (p=0.002) reduced the erosion occurrence. Heterogeneity was observed in soft drinks, confectionary and snacks and acidic fruit juices models. Methodological issues regarding the questionnaires administration and the inclusion of other variables, such as food groups and tooth brushing, explained partially the heterogeneity observed.
  
  
  CONCLUSIONS
  Some dietary components (carbonated drinks, acid snacks/sweets and natural acidic fruits juice) increased erosion occurrence while milk and yogurt had a protective effect. Methods to assess diet could influence the homogeneity of the studies and should be considered during the study design.
  
  
  CONCLUSIONS
  The method to assess diet should be carefully considered and well conducted as part of the clinical assessment of tooth erosion, since diet could influence the occurrence of tooth erosion.
authors.affiliation: Post-Graduate Program in Dentistry, Federal University of Pelotas, Pelotas, Brazil.
authors.forename: M M S
authors.initials: MM
authors.lastname: Salas
authors.affiliation: Post-Graduate Program in Dentistry, Federal University of Pelotas, Pelotas, Brazil.
authors.forename: G G
authors.initials: GG
authors.lastname: Nascimento
authors.affiliation: Post-Graduate Program in Dentistry, Brazilian Lutheran University, Canoas, Brazil.
authors.forename: F
authors.initials: F
authors.lastname: Vargas-Ferreira
authors.affiliation: Post-Graduate Program in Dentistry, Federal University of Pelotas, Pelotas, Brazil.
authors.forename: S B C
authors.initials: SB
authors.lastname: Tarquinio
authors.affiliation: Department of Dentistry, Radboud University Medical Center, Nijmegen, The Netherlands.
authors.forename: M C D N J M
authors.initials: MC
authors.lastname: Huysmans
authors.affiliation: Post-Graduate Program in Dentistry, Federal University of Pelotas, Pelotas, Brazil; Post-Graduate Program in Dentistry, Brazilian Lutheran University, Canoas, Brazil. Electronic address: ffdemarco@gmail.com.
authors.forename: F F
authors.initials: FF
authors.lastname: Demarco
mesh_terms: D000293:Adolescent; D002648:Child; D004032:Diet / Q000009:adverse effects*; D006801:Humans; D015995:Prevalence; D014077:Tooth Erosion / Q000139:chemically induced* / Q000453:epidemiology*
keywords: Adolescents; Child; Diet; Epidemiology; Meta-analysis; Tooth erosion