The Basic Erosive Wear Examination (BEWE) applied retrospectively to two studies

W. P. Holbrook, I. B. Arnadottir, S. O. Hlooversson, E. Arnarsdottir, S. H. Jonsson, S. R. Saemundsson, S. Ö Hlödversson

Research output: Contribution to journalArticlepeer-review


Objectives: A scoring method for tooth erosion is needed to enable community-based assessments. The aim of this study was to evaluate the Basic Erosive Wear Examination (BEWE) scoring method, using data previously collected from two studies. Materials and methods: In a national survey of erosion in children and adolescents, a representative, 20 % nationwide sample of 2,251 children, aged 6, 12 and 15 years, was examined. Erosion, recorded for all surfaces of permanent teeth, was converted to a BEWE score. For a group of referred patients, erosion was scored for 351 patients and then converted to a BEWE score. Results: From the national survey, no erosion was seen in permanent teeth of 6 years old, but was present in 12 years old (19.9 % boys, mean BEWE of 0.22; 11.0 % girls, mean BEWE of 0.079; p < 0.001). Among 15 years old, erosion was seen in 30.7 % of subjects (38.3 % boys, mean BEWE of 1.00; 22.7 % girls, mean BEWE of 0.42; p < 0.001). For the referred patients, the BEWE score was 9.4 for subjects with gastric reflux symptoms but 6.0 for those without symptoms (p < 0.001). Conclusions: The value of scoring with the BEWE methodology was clearly demonstrated, showing increasing severity of erosion between 12 and 15 years and gender differences in erosion severity. Intrinsic acid erosion clearly caused an increased BEWE score. Clinical relevance: The BEWE scoring methodology appears valuable for assessing erosion in populations.

Original languageEnglish
Pages (from-to)1625-1629
Number of pages5
JournalClinical Oral Investigations
Issue number6
Publication statusPublished - Jul 2014

Other keywords

  • Epidemiology
  • Gastro-oesophageal reflux disease
  • Gender difference
  • Iceland
  • Tooth erosion
  • Tooth wear


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