From: Bone envelope for implant placement after alveolar ridge preservation: a systematic review and meta-analysis
1 + 3.25 + 1
2 + 3.25 + 2
1 + 4.0 + 1
2 + 4.0 + 2
1 + 5.0 + 1
2 + 5.0 + 2
Test (ARP)
0.82%
0.51%
0.73%
0.37%
0.55%
0.30%
Control (SH)
0.63%
0.32%
0.50%
0.26%
0.35%
0.19%