title: Impact of oral hygiene on oral health-related quality of life of preschool children.
abstract: OBJECTIVE
  To assess the impact of oral hygiene of preschool children and parental attitude on children's oral health-related quality of life (OHRQoL).
  
  
  METHODS
  In this cross-sectional study, 396 children of Shiraz kindergartens were selected by a randomized cluster sampling. Children's oral hygiene was assessed using the Simplified Debris Index (DI-S) and a self-made questionnaire about oral hygiene habits. Children's OHRQoL was evaluated by the Farsi version of Early Childhood Oral Health Impact Scale (F-ECOHIS). The effect of oral hygiene determinants on OHRQoL was measured using Pearson and Spearman correlation, independent-sample t-test and anova.
  
  
  RESULTS
  Children's mean DI-S and F-ECOHIS scores were 1.19 (± 0.77) and 19.36 (±8.42), respectively. Only 75% of the children had their teeth brushed once a day or more, and in 28%, toothbrushing had started before 2 years of age. DI-S values (P < 0.001) and frequency of toothbrushing (P < 0.001) had a statistically significant impact on OHRQoL of the children. Children's OHRQoL was also significantly associated with parents' attitude towards the importance of brushing deciduous teeth (P = 0.002).
  
  
  CONCLUSIONS
  Oral health status of preschool children in Shiraz was less than optimal and had a significant impact on their OHRQoL. Therefore, improvement of children's OHRQoL could be achieved by improving their home dental care. Strategies promoting parental attitude about the importance of children's toothbrushing may significantly influence children's oral hygiene and are highly recommended.
authors: Department of Dental Public Heath, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.
authors: S
authors: S
authors: Shaghaghian
authors: School of dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.
authors: M
authors: M
authors: Bahmani
authors: Division of Pediatric Dentistry, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada.
authors: M
authors: M
authors: Amin
mesh_terms: D001294:Attitude to Health; D002648:Child; D000067576:Child Health; D002675:Child, Preschool; D003430:Cross-Sectional Studies; D004245:DMF Index; D003729:Dental Care / Q000523:psychology; D004522:Educational Status; D004651:Employment; D005191:Family Characteristics; D005260:Female; D015438:Health Behavior; D006801:Humans; D008297:Male; D009909:Oral Health; D009910:Oral Hygiene / Q000523:psychology; D009911:Oral Hygiene Index; D010287:Parent-Child Relations; D010290:Parents / Q000193:education / Q000523:psychology; D011788:Quality of Life; D014094:Tooth, Deciduous; D014099:Toothbrushing / Q000523:psychology / Q000706:statistics & numerical data
keywords: Early Childhood Oral Health Impact Scale; Oral health-related quality of life; Simplified Debris Index; oral hygiene