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Table 3 Level of crown margin at the different time points

From: A novel non-surgical method for mild peri-implantitis- a multicenter consecutive case series

 

Baseline

n = 306

2 weeks

n = 272

4 weeks

n = 267

12 weeks

n = 282

24 weeks

n = 294

P

Subgingival crown margins

283 (92.5%)

224 (82.4%)

224 (83.9%)

239 (84.8%)

248 (84,4%)

 

Supragingival crown margins

23 (7.5%)

48(17.6%)

43 (16.1%)

43 (15.2%)

46 (15.6%)

 

Baseline to 2 weeks

     

<0.001

Baseline to 4 weeks

     

0.024

Baseline to 12 weeks

     

0.003

Baseline to 24 weeks

     

0.002

4 to 12 weeks

     

0.668

12 to 24 weeks

     

0.895