From: Prognosis of single tooth implants following alveolar ridge preservation with two recombinant human bone morphogenetic protein-2 delivery systems
Group 1
Group 2
T
P
ISQ
Primary
69.71 ± 6.01
72.86 ± 9.81
− 1.022
0.316
Secondary
78.86 ± 5.49
81.64 ± 5.34
− 1.361
0.185