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Table 1 As anterior teeth #1-#4 were found to be homogeneous in terms of abatement of the sealant score, pair-wise comparisons between this group of teeth with teeth #5 and #6 were implemented

From: In-vivo durability of a fluoride-releasing sealant (OpalSeal) for protection against white-spot lesion formation in orthodontic patients

Time API (T0) Tooth groups compared Opalseal score difference Standard error p-value  
1 positive 1-4 5 0.24 0.16 0.20
1 positive 1-4 6 0.26 0.12 0.07
1 positive 5 6 0.03 0.19 0.94
1 negative 1-4 5 0.21 0.08 0.02
1 negative 1-4 6 0.69 0.09 <.0001
1 negative 5 6 0.49 0.10 <.0001
2 positive 1-4 5 0.26 0.16 0.08
2 positive 1-4 6 0.41 0.12 0.001
2 positive 5 6 0.15 0.19 0.57
2 negative 1-4 5 0.39 0.08 <.0001
2 negative 1-4 6 0.69 0.08 <.0001
2 negative 5 6 0.31 0.10 0.005
3 positive 1-4 5 0.20 0.16 0.15
3 positive 1-4 6 0.45 0.12 0.0002
3 positive 5 6 0.25 0.19 0.25
3 negative 1-4 5 0.33 0.08 <.0001
3 negative 1-4 6 0.54 0.09 <.0001
3 negative 5 6 0.21 0.10 0.07
4 positive 1-4 5 0.22 0.16 0.17
4 positive 1-4 6 0.61 0.12 <.0001
4 positive 5 6 0.39 0.19 0.03
4 negative 1-4 5 0.21 0.08 0.003
4 negative 1-4 6 0.46 0.09 <.0001
4 negative 5 6 0.26 0.10 0.02
5 positive 1-4 5 0.30 0.16 0.04
5 positive 1-4 6 0.58 0.12 <.0001
5 positive 5 6 0.27 0.19 0.13
5 negative 1-4 5 0.00 0.08 0.79
5 negative 1-4 6 0.32 0.09 <.0001
5 negative 5 6 0.32 0.10 0.001
  1. Especially during the first weeks in treatment, sealant preservation was better in API-negative teeth, although this finding was globally not significant when considering all time points (see also Table 3).
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