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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