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Table 3 Marginal bone alterations compared between LLLT and control groups

From: Influence of low-level laser therapy on implant stability in implants placed in healed sites: a randomized controlled trial

  LLLT (n=23) Control (n=27) p valueb
Mean SD Mean SD
Marginal bone
Implant platform-bone crest T0a 2.05 1.32 1.64 1.28 0.270
Implant platform-bone crest Taa 1.95 1.16 1.28 0.95 0.030
Peri-implant alterations (T0–Ta) a −0.89 4.33 −0.35 1.00 0.531
  1. aRadiographical measures
  2. bObtained from t test