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International Journal of Implant Dentistry

Table 4 Mean crestal bone level changes, in early loading and conventional loading arms (PPS), 6 months after implant placement

From: A randomized, 12-month controlled trial to evaluate non-inferiority of early compared to conventional loading of modSLA implants in single tooth gaps

Treatment arm Summary statistics Baseline 6 months Change from baseline to 6 months 12 months Change from baseline to 12 months
Early loading-arm (N = 38) No. of patients 38 38 38 38 38
Mean (SD) 1.342 (0.600) 1.903 (0.603) 0.561a (0.576) 2.102 (0.483) 0.760b (0.603)
Maximum 2.73 2.96 2.21 3.47 2.15
Third quartile 1.73 2.22 0.88 2.34 1.14
Median 1.25 2.015 0.55 2.05 0.80
First quartile 0.98 1.52 0.17 1.77 0.37
Minimum 0.29 0.48 −0.51 1.24 −0.39
Conventional loading arm (N = 37) No. of patients 37 37 37 36 36
Mean (SD) 1.355 (0.724) 1.868 (0.521) 0.513b (0.617) 2.099 (0.558) 0.734b (0.77)
Maximum 3.01 3.81 1.82 3.74 2.54
Third quartile 1.85 2.07 0.94 2.45 1.185
Median 1.43 1.83 0.49 2.02 0.61
First quartile 0.76 1.58 0.07 1.735 0.14
Minimum 0.27 0.83 −0.71 1.04 −0.66
  1. aInter-arm difference (6 months): difference in mean 95 % confidence interval 0.048 (−0.227–0.322)
  2. bInter-arm difference (6 months): difference in mean 95 % confidence interval 0.026 (−0.293–0.346)
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