Oral tissue response to soft tissue expanders prior to bone augmentation: <i>in vitro</i> analysis and histological study in dogs.

In compressive settings, greater values of mechanical properties were observed for the S expander (1,497.3±284.3 g/cm) than the M (1,487±249.3 g/cm) and L (1,464.6±308.0 g/cm) devices, although these differences did not reach statistical significance ( P =0.965).

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