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Table 2 The changes in the frequency and percentage of Bleeding Index (BI) and Plaque Index (PI)

From: Treatment of excessive gingival display using conventional esthetic crown lengthening versus computer guided esthetic crown lengthening: (a randomized clinical trial)

 

Time Interval

 
 

1 week

3 months

6 months

p-value

Bleeding index

No

Yes

No

Yes

No

Yes

 
 

n

%

n

%

n

%

n

%

n

%

n

%

 

Control group

0 A

0%

8

100%

6B

75%

2

25%

6B

75%

2

25%

0.006*

Study group

0 A

0%

8

100%

4AB

50%

4

50%

7B

88%

1

13%

0.010*

odds ratio (95%CI)

NA

3 (0.36:24.92)

0.43 (0.03:5.99)

 

p-value

NA

0.302ns

0.522ns

 

Plaque index

No

Yes

No

Yes

No

Yes

 
 

n

%

n

%

n

%

n

%

n

%

n

%

 

Control group

0 A

0%

8

100%

6B

75%

2

25%

6B

75%

2

25%

0.006*

Study group

0 A

0%

8

100%

4AB

50%

4

50%

6B

75%

2

25%

0.018*

odds ratio (95%CI)

NA

3 (0.36:24.92)

1 (0.1:9.61)

 

p-value

NA

0.302ns

1ns

 
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BMC Oral Health

ISSN: 1472-6831

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