Table 7 Inter, intragroup comparisons and summary statistics for Marginal Staining scores.

From: Thermacut bur gingivectomy versus functional crown lengthening in management of subgingival interproximal carious lesions 12 months randomized controlled trial

Time

Score

Marginal integrity scores [n (%)]

Test statistic

p-value

Intervention

(Thermacut bur gingivectomy)

Control

(Functional crown lengthening)

Preoperative

Alpha

11 (100.00%)

11 (100.00%)

NA

NA

Bravio

0 (0.00%)

0 (0.00%)

Charlie

0 (0.00%)

0 (0.00%)

6 months

Alpha

11 (100.00%)

11 (100.00%)

NA

NA

Bravio

0 (0.00%)

0 (0.00%)

Charlie

0 (0.00%)

0 (0.00%)

1 year

Alpha

11 (100.00%)

11 (100.00%)

NA

NA

Bravio

0 (0.00%)

0 (0.00%)

Charlie

0 (0.00%)

0 (0.00%)

Test statistic

NA

NA

Ā Ā 

p-value

NA

NA

Ā Ā 
  1. NA: Not Applicable.