However, at 3 months, the difference in KGW was 0.8 mm between the two groups; despite higher KGW in the microsurgery group, this difference did not reach statistical significance (mean difference of 0.25 mm, 95% CI:-0.82 to 1.13 mm, P = 0.63).
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Comparison of conventional and micro-surgical techniques for gingival augmentation by free gingival grafting: a randomized controlled clinical trial.
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0.6300
0.6300
The sentences
Some previous reports suggest that microsurgical soft-tissue approaches may improve vascularization and thereby reduce contraction [ 24 ], but our results indicated only a small trend in that direction.