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Evaluation of Oral Health-Related Quality of Life to Assess Dental Treatment in Preschool Children with Early Childhood Caries: A Preliminary Study

  • Ana Lúcia Vollú1
  • Maria da Encarnação Perez Requejo da Costa1
  • Lucianne Cople Maia1
  • Andréa Fonseca-Gonçalves1,*,

1Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil

DOI: 10.17796/1053-4628-42.1.7 Vol.42,Issue 1,January 2018 pp.37-44

Published: 01 January 2018

*Corresponding Author(s): Andréa Fonseca-Gonçalves E-mail:


Purpose: The oral health-related quality of life (OHRQoL) of preschool children with Early Childhood Caries (ECC) was used to assess the outcome of dental treatment. Study design: Children (3.56±1.31years) affected by ECC were selected. Anamnesis, clinical and radiographic exams were performed. Data about sociodemographic aspects, OHRQoL and dmf-t index were collected. The Brazilian version of Early Childhood Oral health Impact Scale (B-ECOHIS) was applied in two time intervals: before and after 30 days of treatment. B-ECOHIS scores and effect size (ES) were used to evaluate the OHRQoL of preschool children. The Student's-t test was used for comparison between the B-ECOHIS averages, considering the following aspects: gender, age, socioeconomic status, severity of caries and type of treatment. Results: The mean dmf-t was 6.25±4.20 and no differences between boys (6.00±4.32) and girls (6.83±4.35) (p=0,942) were found. Pain and psychological problems among children and parents feeling upset and guilty were the most frequently reported impacts at baseline. There was a greater impact on girls (17.67±8.68) than on boys (13.30±10.53) (p<0.001); and on children younger than 4 years (16.71±9.96) (p<0.05). The highest B-ECOHIS scores were observed in treatments involving dental extractions and space maintainers. There was no difference between the total B-ECOHIS scores of subjects from middle (16.24±10.30) and lower socioeconomic classes (15.97±10.26). The total scores of B-ECOHIS and its domains decreased after 30-day follow-up. Dental rehabilitation of preschool children showed a large effect size for these subjects (ES=1.19) and their families (ES=1.00). Conclusion: Dental treatment resulted in significant improvement of the preschool children's OHRQoL.


Dental care for children, Dental caries, Quality of life, Dental treatment

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Ana Lúcia Vollú,Maria da Encarnação Perez Requejo da Costa,Lucianne Cople Maia,Andréa Fonseca-Gonçalves. Evaluation of Oral Health-Related Quality of Life to Assess Dental Treatment in Preschool Children with Early Childhood Caries: A Preliminary Study. Journal of Clinical Pediatric Dentistry. 2018. 42(1);37-44.


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