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Table 1 Showing patients perception of how their teeth looked and felt after they had received a scale and polish.

From: A randomised controlled trial to explore attitudes to routine scale and polish and compare manual versus ultrasonic scaling in the general dental service in Scotland [ISRCTN99609795]

 

Manual % (n = 166)

Ultrasonic % (n = 185)

P

Crossover (%) (n = 69)

Feel cleaner

88

89

0.001

0.971

87

Feel smother

72

65

1.62

0.203

73

Feel the same

2

3

*

0.727

3

Feel worse

0

2

*

0.250

3

Look better

49

55

0.75

0.386

61

Look the same

4

7

0.493

0.483

4

Look worse

0.006

0.005

*

> 0.999

0

  1. *: Fisher's Exact Test
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BMC Oral Health

ISSN: 1472-6831

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