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Table 2 Percentage of affected tooth surfaces, severity, and area of the surfaces affected by dental erosion according to the number of teeth/surfaces

From: The prevalence of dental erosion and associated risk factors in 12-13-year-old school children in Southern China

  No. of teeth/surfaces Percentage (%)
Affected surface   
   Labial or buccal only 146 7.7
   Lingual or palatal only 72 3.8
   Incisal or occlusal only 818 43.2
   Labial and incisal/occlusal 430 22.7
   Lingual and incisal/occlusal 58 3.0
   Multi-surface 371 19.6
   Total (teeth) 1895 100.0
Severity   
   Matt appearance of the enamel 1447 44.0
   Loss of enamel only 1795 54.6
   Loss of enamel with exposure of dentin (enamel-dentin junction visible) 46 1.4
   Total (surfaces) 3288 100.0
Area affected   
   Less than half of surface affected 1008 30.7
   More than half of surface affected 2280 69.3
   Total (surfaces) 3288 100.0