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Table 4 Distribution of the severity of erosive tooth wear in each sextant

From: Erosive tooth wear among non-institutionalised older adults in Hong Kong: a cross-sectional study

Sextant

BEWE score

0

(No ETW)

1

(Initial loss)

2

(Distinct loss < 50%)

3

(Distinct loss > 50%)

No tooth to evaluate

1: Upper right posterior teeth

3.00%

(13)

25.17%

(109)

44.11%

(191)

8.55%

(37)

19.17%

(83)

2: Upper anterior teeth

2.08%

(9)

15.70%

(68)

59.35%

(257)

11.09%

(48)

11.78%

(51)

3: Upper left posterior teeth

1.15%

(5)

18.71%

(81)

53.12%

(230)

8.31%

(36)

18.71%

(81)

4: Lower right posterior teeth

0.69%

(3)

17.09%

(74)

55.66%

(241)

7.85%

(34)

18.71%

(81)

5: Lower anterior teeth

0.23%

(1)

9.47%

(41)

38.11%

(165)

44.57%

(193)

7.62%

(33)

6: Lower left posterior teeth

0.46%

(2)

14.78%

(64)

53.58%

(232)

9.70%

(42)

21.48%

(93)