From: Reconstruction of vertical alveolar ridge deficiencies utilizing a high-density polytetrafluoroethylene membrane /clinical impact of flap dehiscence on treatment outcomes: case series/
Without membrane exposure
With membrane exposure
% difference
Volumetric gain (cm3)
0.82 ± 0.40
0.70 ± 0.31
17%
Linear vertical gain (mm)
4.06 ± 0.56
3.55 ± 0.43
14%
Linear horizontal gain (mm)
5.89 ± 0.51
5.61 ± 1.21
5%